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#43393 - 09/06/08 10:00 PM Re: 4200 turbo project... [Re: tlowe #1716]
efi-diy efi-diy Active BB Member Registered: 11/21/04 Posts: 1386 Loc: Calgary Alberta Canada	Originally Posted By: tlowe #1716 i'm waiting for the video's! tom Me too... Well I had some dis-appointing news on Friday, the special valve seals have been discontinued (no room for the OEM style), so this has effectively squashed getting the turbo motor ready before the weather turns unless some NOS parts are found. I'd like to ask for a few folks help, to see if your local parts warehouse has stock. The seals were made by Beck/Arnley PN 022-1518. So in light of this I've started installing the turbo on the early motor that already in the truck. Once the turbo exhaust flange is arrives and the required gaskets it will be a days work to finish the turbo install and fire the truck. I've removed the big waste gate spring so it should open about 4-5 psi which is fine for the stock engine. After ensuring the turbo and tune up are ok I might turn the wick up to 7-8 PSI. Wait and see... If you find the seals - need 6 packages of 4 seals please PM me. Thanks Marc _________________________ 51 GMC 4.2 turbo Can't solved today's problems using the same technology/thinking that created them
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#43396 - 09/07/08 06:26 AM Re: 4200 turbo project... [Re: efi-diy]
inline300 inline300 Active BB Member Registered: 12/13/04 Posts: 460	id be happy with a video of the stocker and a turbo. $\:D$
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#43414 - 09/07/08 10:50 PM Re: 4200 turbo project... [Re: inline300]
Nexxussian Nexxussian Active BB Member Registered: 06/12/07 Posts: 1337 Loc: Anchorage	Hey Marc, what are the actual dimensions you are trying to fit? I probably can't get the Beck Arnley ones, Bud Dad's a distibutor for Cometic, they sell valve seals, but by dimension only (Stem O.D, Gide O.D. and if it's that tight, probably the overall heigth you have to work with for the seal and the largest outside diameter of the seal that will safely fit inside your springs). _________________________ My, what a steep learning curve. Erik II#5155
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#43439 - 09/08/08 09:44 PM Re: 4200 turbo project... [Re: Nexxussian]
efi-diy efi-diy Active BB Member Registered: 11/21/04 Posts: 1386 Loc: Calgary Alberta Canada	Well after a long discussion with a fellow inliner that provided orginal beck arnley PN, we found that I was given the wrong beck anrley p/n. Crap... 2 weeks gone by .. oh well. I think we'll be good now, thanks to all that offered to help. _________________________ 51 GMC 4.2 turbo Can't solved today's problems using the same technology/thinking that created them
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#43444 - 09/09/08 12:33 AM Re: 4200 turbo project... [Re: efi-diy]
Nexxussian Nexxussian Active BB Member Registered: 06/12/07 Posts: 1337 Loc: Anchorage	Whatever I can do to help, it's one of the reason's I'm here, it seems most here are willing to when they can. I got tired of 'other places' that weren't like that. _________________________ My, what a steep learning curve. Erik II#5155
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#43452 - 09/09/08 08:32 AM Re: 4200 turbo project... [Re: Nexxussian]
Beater of the Pack Beater of the Pack Active BB Member Registered: 10/06/07 Posts: 2492 Loc: Northern Nevada	Marc, I had written the numbers down and was planning to begin a hunt from work tomorrow. I know a couple of other parts guys that often have what most don't. Good luck we are following you! Nexxussian, exactly!!! Tim, this board is working great. Thanks! _________________________ "I wonder if God created man because he was disappointed in the monkey?" Mark Twain
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#43477 - 09/09/08 09:33 PM Re: 4200 turbo project... [Re: Beater of the Pack]
efi-diy efi-diy Active BB Member Registered: 11/21/04 Posts: 1386 Loc: Calgary Alberta Canada	flow numbers for '06 my head... Lift Intake cfm Exhaust cfm 100 91.3 95.3 200 176.9 160.1 300 239.1 187.3 400 295.4 199.9 450 309.8 212.1 Edited by efi-diy (09/09/08 09:52 PM) _________________________ 51 GMC 4.2 turbo Can't solved today's problems using the same technology/thinking that created them
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#43478 - 09/09/08 09:44 PM Re: 4200 turbo project... [Re: efi-diy]
efi-diy efi-diy Active BB Member Registered: 11/21/04 Posts: 1386 Loc: Calgary Alberta Canada	http://img228.imageshack.us/img228/5595/p9090451ic2.jpg turbo manifold installed on the existing motor in the truck _________________________ 51 GMC 4.2 turbo Can't solved today's problems using the same technology/thinking that created them
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#43479 - 09/09/08 10:45 PM Re: 4200 turbo project... [Re: efi-diy]
Mean buzzen half dozen A.K.A. Hank Mean buzzen half dozen A.K.A. Hank Active BB Member Registered: 09/23/04 Posts: 4550 Loc: Ca	Originally Posted By: efi-diy flow numbers for '06 my head... Just wondering what model bench flow machine & what was the test pressure @? MBHD Lift Intake cfm Exhaust cfm 100 91.3 95.3 200 176.9 160.1 300 239.1 187.3 400 295.4 199.9 450 309.8 212.1 _________________________ 12 port SDS EFI
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#43480 - 09/09/08 11:13 PM Re: 4200 turbo project... [Re: Mean buzzen half dozen A.K.A. Hank]
efi-diy efi-diy Active BB Member Registered: 11/21/04 Posts: 1386 Loc: Calgary Alberta Canada	Hank, When I get the actual flow sheet I'll scan and post it.. I just have the above numbers for now.. my guess is a 28" it'll come with the head hope fully soon... _________________________ 51 GMC 4.2 turbo Can't solved today's problems using the same technology/thinking that created them
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#43481 - 09/10/08 03:46 AM Re: 4200 turbo project... [Re: efi-diy]
inline300 inline300 Active BB Member Registered: 12/13/04 Posts: 460	Originally Posted By: efi-diy http://img228.imageshack.us/img228/5595/p9090451ic2.jpg turbo manifold installed on the existing motor in the truck cool
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#43483 - 09/10/08 05:17 AM Re: 4200 turbo project... [Re: inline300]
tlowe #1716 tlowe #1716 12 PORT ADVERTISER Active BB Member Registered: 04/01/04 Posts: 2335 Loc: Dysart, Iowa	just get that snail bolted on and get her plumbed. it is going to snow for you, oh too soon. tom _________________________ 12 PORT ADVERTISER http://www.inliners.org/Advertisers/index.html trbo writeup http://www.inliners.org/ubbthreads/ubbthreads.php?ubb=showflat&Number=43253&fpart=1
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#43496 - 09/10/08 09:30 PM Re: 4200 turbo project... [Re: tlowe #1716]
efi-diy efi-diy Active BB Member Registered: 11/21/04 Posts: 1386 Loc: Calgary Alberta Canada	SSSSSSSSHHHHHHHH it might hear ya and come early.... The mountains are already white... $\:\($ _________________________ 51 GMC 4.2 turbo Can't solved today's problems using the same technology/thinking that created them
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#43500 - 09/10/08 11:55 PM Re: 4200 turbo project... [Re: efi-diy]
Nexxussian Nexxussian Active BB Member Registered: 06/12/07 Posts: 1337 Loc: Anchorage	Yeah, we had some 'termination dust' earlier (in the mountains) but either I'm ignoring it, or some of it melted (gotta be from all the rain ). Good luck with that. _________________________ My, what a steep learning curve. Erik II#5155
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#43525 - 09/11/08 10:03 PM Re: 4200 turbo project... [Re: Nexxussian]
efi-diy efi-diy Active BB Member Registered: 11/21/04 Posts: 1386 Loc: Calgary Alberta Canada	Got word today the final parts fell off the CNC lathe and into the shipping box, so if all goes well I'll have them Sat. AM ! And it appears the the remaining gaskets are waiting at the post office.!!! YEA - going to get the turbo spin'in.... Oh ya... Mr. Steed http://steedspeed.com/turbo_manifolds ( mr billet turbo manifold) has sorted out the pricing on the maniofld, and is ready to start up making them. First to order get a significant price discount.. He's offering a lifetime warranty to the initial purchaser. Edited by efi-diy (09/14/08 07:57 PM) _________________________ 51 GMC 4.2 turbo Can't solved today's problems using the same technology/thinking that created them
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#43527 - 09/12/08 12:06 AM Re: 4200 turbo project... [Re: efi-diy]
Nexxussian Nexxussian Active BB Member Registered: 06/12/07 Posts: 1337 Loc: Anchorage	Originally Posted By: efi-diy Mr. Steed http://www.steedspeed.com ( mr billet turbo manifold) has sort out the pricing on the maniofld, and is ready to start up making them. First to order get a significant price discount.. Is that a group buy, or just order your own kind of thing? _________________________ My, what a steep learning curve. Erik II#5155
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#43537 - 09/12/08 09:31 AM Re: 4200 turbo project... [Re: Nexxussian]
efi-diy efi-diy Active BB Member Registered: 11/21/04 Posts: 1386 Loc: Calgary Alberta Canada	Originally Posted By: Nexxussian Originally Posted By: efi-diy Mr. Steed http://www.steedspeed.com ( mr billet turbo manifold) has sort out the pricing on the maniofld, and is ready to start up making them. First to order get a significant price discount.. Is that a group buy, or just order your own kind of thing? Either, a group buy would likely get a better price. _________________________ 51 GMC 4.2 turbo Can't solved today's problems using the same technology/thinking that created them
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#43571 - 09/13/08 10:43 PM Re: 4200 turbo project... [Re: efi-diy]
efi-diy efi-diy Active BB Member Registered: 11/21/04 Posts: 1386 Loc: Calgary Alberta Canada	Well tomorrow the turbo will turn for real - all the heavy work is done - minor stuff left - mainly vacumm hoses. I have to convert back to the onboard Megasquirt MAP sensor, the stock GM one only goes upto 120KPa (about 3 psi) and the quarter master missed order the right sensor.... oh well it'll work fine. More tomorrow.. _________________________ 51 GMC 4.2 turbo Can't solved today's problems using the same technology/thinking that created them
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#43582 - 09/14/08 09:27 PM Re: 4200 turbo project... [Re: efi-diy]
efi-diy efi-diy Active BB Member Registered: 11/21/04 Posts: 1386 Loc: Calgary Alberta Canada	Well, After 2 long day/nights - its running with boost. 2 very short shake down runs shows its behaving, now the tuning starts. The wastegate is opening at 8 psi which is fine for the early stock engine. I got off the throttle almost right away when the boost came up - but the turbo spooled enough to be noticeable. Once I get the tuning done I'll do a video and post it. One thing that is noticeable the engine is quieter - the intake noise that used to be quite loud is gone. The exhaust it reasonably quiet at idle - I was concerned it would be loud as the exhaust came off of a duramax diesel (4"pipe), once moving its quiet like a new stock truck. _________________________ 51 GMC 4.2 turbo Can't solved today's problems using the same technology/thinking that created them
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#43583 - 09/14/08 09:32 PM Re: 4200 turbo project... [Re: efi-diy]
Mean buzzen half dozen A.K.A. Hank Mean buzzen half dozen A.K.A. Hank Active BB Member Registered: 09/23/04 Posts: 4550 Loc: Ca	Congrats on the engine running! Having a turbo is just like adding another muffler,they make it quiet. What muffler are you using? MBHD _________________________ 12 port SDS EFI
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#43585 - 09/14/08 10:48 PM Re: 4200 turbo project... [Re: Mean buzzen half dozen A.K.A. Hank]
Beater of the Pack Beater of the Pack Active BB Member Registered: 10/06/07 Posts: 2492 Loc: Northern Nevada	That's good news! Glad someone's making progress. I'm almost ready to to order the Megasquirt for the 292. Keep us posted. _________________________ "I wonder if God created man because he was disappointed in the monkey?" Mark Twain
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#43591 - 09/15/08 10:50 AM Re: 4200 turbo project... [Re: Beater of the Pack]
Nexxussian Nexxussian Active BB Member Registered: 06/12/07 Posts: 1337 Loc: Anchorage	Glad to hear it's running, looking forward to seeing how it responds as a stock engine to mild boost. _________________________ My, what a steep learning curve. Erik II#5155
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#43604 - 09/15/08 10:37 PM Re: 4200 turbo project... [Re: Nexxussian]
efi-diy efi-diy Active BB Member Registered: 11/21/04 Posts: 1386 Loc: Calgary Alberta Canada	Tuning is progressing - found out I need to close the plug gap - missing under load. I'll change the plugs tomorrow for a colder set while I'm in there. When it does decide to hit a sweet spot and go its quite tantalizing - just teasing what it can do.... _________________________ 51 GMC 4.2 turbo Can't solved today's problems using the same technology/thinking that created them
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#43605 - 09/16/08 12:46 AM Re: 4200 turbo project... [Re: efi-diy]
Nexxussian Nexxussian Active BB Member Registered: 06/12/07 Posts: 1337 Loc: Anchorage	IIRC you locked the exhaust cam at a specific setting (as opposed to trying to keep track of it with the electro-hydraulic control). Or am I completely off on that one? Still amazed at how far you have gotten with this project, good luck. _________________________ My, what a steep learning curve. Erik II#5155
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#43611 - 09/16/08 05:14 AM Re: 4200 turbo project... [Re: Nexxussian]
tlowe #1716 tlowe #1716 12 PORT ADVERTISER Active BB Member Registered: 04/01/04 Posts: 2335 Loc: Dysart, Iowa	it is surprising how much more fuel is required. i bet your stock injectors will have a hard time keeping up with 8 psi. isn't this the fun part? tom _________________________ 12 PORT ADVERTISER http://www.inliners.org/Advertisers/index.html trbo writeup http://www.inliners.org/ubbthreads/ubbthreads.php?ubb=showflat&Number=43253&fpart=1
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#43616 - 09/16/08 09:37 AM Re: 4200 turbo project... [Re: tlowe #1716]
efi-diy efi-diy Active BB Member Registered: 11/21/04 Posts: 1386 Loc: Calgary Alberta Canada	For sure this is the fun part... So far I'm ok on injector size. GM ran the injectors in sequential mode, and I'm running batch fire so I can get more fuel in. Just spray more often. I have a set of 36# injectors ready to go if needed. _________________________ 51 GMC 4.2 turbo Can't solved today's problems using the same technology/thinking that created them
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#43617 - 09/16/08 09:38 AM Re: 4200 turbo project... [Re: efi-diy]
efi-diy efi-diy Active BB Member Registered: 11/21/04 Posts: 1386 Loc: Calgary Alberta Canada	The cam phaser is unpluged so it stays at the default setting abiet I think it moves a bit due to leakage past the control valve. _________________________ 51 GMC 4.2 turbo Can't solved today's problems using the same technology/thinking that created them
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#43630 - 09/16/08 10:37 PM Re: 4200 turbo project... [Re: efi-diy]
Mean buzzen half dozen A.K.A. Hank Mean buzzen half dozen A.K.A. Hank Active BB Member Registered: 09/23/04 Posts: 4550 Loc: Ca	My V-6 4.3 has 30 lb injectors stock & so far I made 386 HP @ the wheels & have not run out of injector yet. Turbo w/21 PSI And like you I have a fresh set of 36's ready to install. What size are the stock injectors on the 4.2,are the years all the same? MBHD _________________________ 12 port SDS EFI
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#43694 - 09/18/08 08:24 PM Re: 4200 turbo project... [Re: Mean buzzen half dozen A.K.A. Hank]
efi-diy efi-diy Active BB Member Registered: 11/21/04 Posts: 1386 Loc: Calgary Alberta Canada	CNC'ed V band flanges/adapter - translated the turbo via a V band directly into the exhaust pipe, neat an tidy. I can make them any size - just ask. 4" pipe adapter Turbo side Edited by efi-diy (09/18/08 08:29 PM) _________________________ 51 GMC 4.2 turbo Can't solved today's problems using the same technology/thinking that created them
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#43695 - 09/18/08 08:28 PM Re: 4200 turbo project... [Re: efi-diy]
efi-diy efi-diy Active BB Member Registered: 11/21/04 Posts: 1386 Loc: Calgary Alberta Canada	4200 exhaust port _________________________ 51 GMC 4.2 turbo Can't solved today's problems using the same technology/thinking that created them
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#43703 - 09/19/08 12:43 AM Re: 4200 turbo project... [Re: efi-diy]
Nexxussian Nexxussian Active BB Member Registered: 06/12/07 Posts: 1337 Loc: Anchorage	Very Nice (the flanges and the ports). _________________________ My, what a steep learning curve. Erik II#5155
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#43733 - 09/19/08 09:34 PM Re: 4200 turbo project... [Re: Nexxussian]
efi-diy efi-diy Active BB Member Registered: 11/21/04 Posts: 1386 Loc: Calgary Alberta Canada	Well ran out of either injector or fuel pump tonight... started leaning on it a bit and well I can't richen the mixture up enough with what is installed. I remote mount the fuel pressure gage to see whats not keeping up.. My guess is the in tank pump. Edited by efi-diy (09/19/08 09:35 PM) _________________________ 51 GMC 4.2 turbo Can't solved today's problems using the same technology/thinking that created them
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#43735 - 09/19/08 09:40 PM Re: 4200 turbo project... [Re: efi-diy]
Mean buzzen half dozen A.K.A. Hank Mean buzzen half dozen A.K.A. Hank Active BB Member Registered: 09/23/04 Posts: 4550 Loc: Ca	I had to switch to the Walbro 255 HP pump in my Syclone. The stock 190 pump barely keeped up w/the 280 HP rating. One of the biggest improvements in the 1/4 mile on my Syclone. Gained about 3 MPH & 2-3 tenths. You have a wide band O2 reader? Also do you have an adjustable FPR? Fuel pressure regulator. MBHD _________________________ 12 port SDS EFI
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#43738 - 09/20/08 01:03 AM Re: 4200 turbo project... [Re: Mean buzzen half dozen A.K.A. Hank]
Nexxussian Nexxussian Active BB Member Registered: 06/12/07 Posts: 1337 Loc: Anchorage	Marc, I've Got a 255 Walbro somewhere If you need one in a hurry, I can go look for it if you need one. _________________________ My, what a steep learning curve. Erik II#5155
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#43741 - 09/20/08 06:23 AM Re: 4200 turbo project... [Re: Nexxussian]
tlowe #1716 tlowe #1716 12 PORT ADVERTISER Active BB Member Registered: 04/01/04 Posts: 2335 Loc: Dysart, Iowa	i ran thru the same things. i also remote mounted a guage. be sure you don't have spark blowout. tom _________________________ 12 PORT ADVERTISER http://www.inliners.org/Advertisers/index.html trbo writeup http://www.inliners.org/ubbthreads/ubbthreads.php?ubb=showflat&Number=43253&fpart=1
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#43760 - 09/20/08 08:18 PM Re: 4200 turbo project... [Re: tlowe #1716]
efi-diy efi-diy Active BB Member Registered: 11/21/04 Posts: 1386 Loc: Calgary Alberta Canada	Quickie answers.. Wideband installed with a new sensor.. Aeromotive boost referenced FPR - base pressure is set to 45 psi with out the reference line installed. I have a holley/walbro 255 sitting beside the 'puter, thanks for the offer. I'll pull the box deck off and change the pump maybe tomorrow. I put 380 mile on the truck today going to the last big car show rod run around here, to bad a wizzy 63 GTR Vette parked beside me - but for the folks that did look - some of them got a sore neck from a double take.. $\:\)$ Oh ya... 65 to 100 MPH is like 3-4 second and thats backing off when the boost just really starts to happen ( no fuel), cruise at 80 MPH - 2200 rpm all day long. 100 mph is like 2800 rpm.. @ 1/2 psi, gee wonder what a full 8 psi is going to do.. My buddy that makes the turbo manifolds say my conversion to the dark side of boost is now complete.. its a wonderful thing. Edited by efi-diy (09/20/08 08:30 PM) _________________________ 51 GMC 4.2 turbo Can't solved today's problems using the same technology/thinking that created them
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#43763 - 09/20/08 10:05 PM Re: 4200 turbo project... [Re: efi-diy]
efi-diy efi-diy Active BB Member Registered: 11/21/04 Posts: 1386 Loc: Calgary Alberta Canada	Finally got a couple of pix outside .. _________________________ 51 GMC 4.2 turbo Can't solved today's problems using the same technology/thinking that created them
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#43767 - 09/21/08 07:22 AM Re: 4200 turbo project... [Re: efi-diy]
Beater of the Pack Beater of the Pack Active BB Member Registered: 10/06/07 Posts: 2492 Loc: Northern Nevada	MAN! I can see why they twisted their necks! I'd like to see more pix of your GMC. You saw what I drive. I wouldn't even notice a Corvette sitting next to this, unless it was a '53 with a bad a@# inline! $\:D$ _________________________ "I wonder if God created man because he was disappointed in the monkey?" Mark Twain
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#43768 - 09/21/08 07:55 AM Re: 4200 turbo project... [Re: Beater of the Pack]
tlowe #1716 tlowe #1716 12 PORT ADVERTISER Active BB Member Registered: 04/01/04 Posts: 2335 Loc: Dysart, Iowa	mark, i use a rising rate regulator. @ idle and cruise the fuel pressure (fp) is around 35, @ full boost its around 53-55 psi. your injectors could keep up better with higher pressure. are you running a intercooler? man that looks like some large charge pipe feeding the engine! is it 3"? got videos yet? tom _________________________ 12 PORT ADVERTISER http://www.inliners.org/Advertisers/index.html trbo writeup http://www.inliners.org/ubbthreads/ubbthreads.php?ubb=showflat&Number=43253&fpart=1
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#43769 - 09/21/08 09:42 AM Re: 4200 turbo project... [Re: tlowe #1716]
efi-diy efi-diy Active BB Member Registered: 11/21/04 Posts: 1386 Loc: Calgary Alberta Canada	The intercooler runs across the entire front of the truck, with the inlet and outlet going into the wheelwells. The charge pipes go through the inner fenders. The I/C inlet/outlet is 3". From the turbo outlet I run 2.5" which is the same size as the turbo outlet on the cold side, then just before the I/C I have a 2.5 to 3" silicone coupler. On the I/C discharge its straight 3" past the blow off valve, then goes upto 3.5 into the big elbow. The throttle body in like 3.75" so I have to stretch the @#$ out of the elbow to get it on. This is not the final charge air set up from left the inner fender to the TB, so its just make it work. Once I get the good motor in the truck it'll get re-done. Next weekend is the megasquirt conference and part of it is a dyno session so I'll try and get video then. Fuel pressure at idle is 35 psi, with the FPR reference hose off 45 psi - no ideal under boost yet, need to run the gage out from under the hood. Edited by efi-diy (09/21/08 09:43 AM) _________________________ 51 GMC 4.2 turbo Can't solved today's problems using the same technology/thinking that created them
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