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#24594 - 10/17/07 10:18 PM Re: Vortec 4200
OHCFbird OHCFbird Active BB Member Registered: 02/25/01 Posts: 65 Loc: Jacksonville, Fl	ACH57- You couldn't get ahold of me because I was in Iraq for 9 months & couldn't log on. Most forums & whatnot are Gov't internet no-no's, so I was bumming. Anyway- Good to see the 'forever thread' is still going strong! _________________________ JEFF 68 Firebird 4.2 Trailblazer engine
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#24595 - 10/24/07 04:37 PM Re: Vortec 4200
AG50Chev AG50Chev Member Registered: 08/23/05 Posts: 14 Loc: Tampa, FL	Started my 50 Chev Pickup - 4.2 up this evening (on Spray). I have a Westers Tuned ECM. My problem is still with the Fuel - doesn't seem to be pumping properly. I modified a tank to use the In-Tank Pump from my donor, and I hear it come on when I turn the Key. Guess I'll have to check if it is pumping at all.... Does anybody know what to do with the two extra lines (Vacuum / Air) that go down next to the Fuel line? Aaron _________________________ If it's not broken, Break it
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#24596 - 10/25/07 04:54 PM Re: Vortec 4200
AG50Chev AG50Chev Member Registered: 08/23/05 Posts: 14 Loc: Tampa, FL	I checked plenty of fuel on the rail (I smell like gas now). I checked the wiring - seems to be ok - as I can start it on spray. Did I miss a wire? _________________________ If it's not broken, Break it
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#24597 - 10/25/07 05:46 PM Re: Vortec 4200
efi-diy efi-diy Active BB Member Registered: 11/21/04 Posts: 1385 Loc: Calgary Alberta Canada	Do you have a pressure gage installed? Its possible to have volume but low pressure. Does the fuel rail have a return line? If not do you have an air lock in the rail? Worst case - pull the rail and injectors as an assembly then set up 6 containers and set the injectors into the containers. With the coil packs diconnected - crank the engine with the pump enabled. After 20 rev's of the crank or so check the fuel level in containers. The levels should be very close. Watch the spray pattern for low pressure (dribbiling fuel). _________________________ 51 GMC 4.2 turbo Can't solved today's problems using the same technology/thinking that created them
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#41137 - 05/01/08 06:46 AM Re: Vortec 4200 [Re: efi-diy]
Brian Bassett Brian Bassett Bulletin Board Only Member Registered: 03/11/08 Posts: 2 Loc: southeast	I hope nobody minds me summarizing, but I want to make sure I got everything out of this thread: 4.2 out of boneyard Flywheel from Jerry Clutch/Pressure plate/Tranny out of Colorado Either: EDIS and MS or GM electronics reflashed Oil pan relocation Trailblazer pedal OR cable TB Is that right? Jeez it sounds like a lot of work. Edited by Brian Bassett (05/01/08 06:46 AM)
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#41398 - 05/13/08 09:23 PM Re: Vortec 4200 [Re: Brian Bassett]
scotte scotte Bulletin Board Only Member Registered: 09/26/06 Posts: 4	i just got my 4200 swap running last saturday its in a 98 jeep wrangler stock pcm,hptuners i have the stock speedometer (trailblazer) wired up and working $\:\)$
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#41408 - 05/14/08 12:30 PM Re: Vortec 4200 [Re: scotte]
jalopy45 #4899 jalopy45 #4899 Active BB Member Registered: 04/09/06 Posts: 665 Loc: Oregon Outback	I haven't seen this on here yet, 4200 in a Nova Wagon. video.aol.com/video-detail/nova-wagon-4200-vortec-inline-6-turbo/4204860020 I hope I did that right , if not I know it works if you cut and paste. Need to get grandson to show me how to do this. Edited by jalopy45 (05/14/08 12:54 PM) Edit Reason: utube address _________________________ '45 Ford PU '63 Nova Wagon 250 4 spd. '63 MGB GT Ecotec Altered
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#41409 - 05/14/08 01:02 PM Re: Vortec 4200 [Re: OHCFbird]
jalopy45 #4899 jalopy45 #4899 Active BB Member Registered: 04/09/06 Posts: 665 Loc: Oregon Outback	Originally Posted By: OHCFbird ACH57- You couldn't get ahold of me because I was in Iraq for 9 months & couldn't log on. Most forums & whatnot are Gov't internet no-no's, so I was bumming. Anyway- Good to see the 'forever thread' is still going strong! "Thanks for serving" _________________________ '45 Ford PU '63 Nova Wagon 250 4 spd. '63 MGB GT Ecotec Altered
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#41412 - 05/14/08 02:00 PM Re: Vortec 4200 [Re: OHCFbird]
Drew, II # 4211 Drew, II # 4211 Active BB Member Registered: 08/10/03 Posts: 1773 Loc: Glassboro,NJ,USA	Originally Posted By: OHCFbird ACH57- You couldn't get ahold of me because I was in Iraq for 9 months & couldn't log on. Most forums & whatnot are Gov't internet no-no's, so I was bumming. Anyway- Good to see the 'forever thread' is still going strong! Glad to see you home safely. And thanks for your service and all military men and women serving the globe. You should be proud! _________________________ Drew Mid-Atlantic Chapter
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#41418 - 05/15/08 12:10 AM Re: Vortec 4200 [Re: Drew, II # 4211]
Nexxussian Nexxussian Active BB Member Registered: 06/12/07 Posts: 1335 Loc: Anchorage	OHCFbird Glad you're home (in one piece too, I hope). _________________________ My, what a steep learning curve. Erik II#5155
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#41420 - 05/15/08 06:32 AM Re: Vortec 4200 [Re: Nexxussian]
Mean buzzen half dozen A.K.A. Hank Mean buzzen half dozen A.K.A. Hank Active BB Member Registered: 09/23/04 Posts: 4546 Loc: Ca	http://video.aol.com/video-detail/nova-wagon-4200-vortec-inline-6-turbo/4204860020 No cut & pasteting req'd MBHD _________________________ 12 port SDS EFI
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#41435 - 05/16/08 10:07 AM Re: Vortec 4200 [Re: Mean buzzen half dozen A.K.A. Hank]
inline300 inline300 Active BB Member Registered: 12/13/04 Posts: 460	30 pages, a handful of people doing the conversion and only two pix (firebird) and one video (nova wagon), how bout more inspirational pictures and/or videos? Edited by inline300 (05/16/08 10:10 AM)
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#41438 - 05/16/08 01:31 PM Re: Vortec 4200 [Re: inline300]
inline300 inline300 Active BB Member Registered: 12/13/04 Posts: 460	Found some visual video motivation on youtube says 4200 vortec I6 in a 50 chevy, gets the win light. $\:\)$ http://www.youtube.com/watch?v=HPJ6vBhHexg
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#41443 - 05/16/08 04:40 PM Re: Vortec 4200 [Re: inline300]
efi-diy efi-diy Active BB Member Registered: 11/21/04 Posts: 1385 Loc: Calgary Alberta Canada	http://img527.imageshack.us/my.php?image=p9090076fo8.jpg _________________________ 51 GMC 4.2 turbo Can't solved today's problems using the same technology/thinking that created them
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#41447 - 05/17/08 03:21 AM Re: Vortec 4200 [Re: efi-diy]
inline300 inline300 Active BB Member Registered: 12/13/04 Posts: 460	Cool, Any pictures of the rest of the truck?
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#41469 - 05/18/08 07:49 AM Re: Vortec 4200 [Re: toyman01]
scotte scotte Bulletin Board Only Member Registered: 09/26/06 Posts: 4	if anybody wants to check out my 4200 swap i have pictures up now jeep 4200 vortec swap
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#41481 - 05/18/08 08:54 PM Re: Vortec 4200 [Re: scotte]
efi-diy efi-diy Active BB Member Registered: 11/21/04 Posts: 1385 Loc: Calgary Alberta Canada	Scotte Who made the oil filter adapter on the block .. got a part number? _________________________ 51 GMC 4.2 turbo Can't solved today's problems using the same technology/thinking that created them
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#41485 - 05/19/08 04:19 AM Re: Vortec 4200 [Re: efi-diy]
inline300 inline300 Active BB Member Registered: 12/13/04 Posts: 460	Scotte Nice install...sucker looks like its supposed to be there. $\:\)$ Should be fun.
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#41498 - 05/19/08 01:12 PM Re: Vortec 4200 [Re: inline300]
scotte scotte Bulletin Board Only Member Registered: 09/26/06 Posts: 4	transdapt 1420 is the 90 deg adapter i used but i had to carve away a couple of ounces of BLOCK so it would spin on transdapt 1020 is the straight down adapter and that on looks like it would go on w/ no modifications but i didn't have the room for it i used hp tuners to take the theft function out of the computer and yes the factory speedo cluster completly works $\:\)$
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#42029 - 06/16/08 11:49 PM Re: Vortec 4200 [Re: scotte]
efi-diy efi-diy Active BB Member Registered: 11/21/04 Posts: 1385 Loc: Calgary Alberta Canada	4200 fuel mileage .. Just came back from the can-west inliners bbq.. 8 1/2 hours drive one way The drive home involves climbing some 4000' elevation changes twice. The 4200 got 21-22 MPG going up these mountains and down.. . averaged over 270 mile used just over 13 US Gal. (51 liters). So on a flat highway I'd guess it would be 24-25 MPG which is a huge increase over the 13 MPG with the previous 292. The engine is in a 51 GMC with a 4L60E going into a 9" with 3.50 gears and 275/60R15 tires. In OD locked up about 2100 rpm at 70 mph. Edited by efi-diy (06/16/08 11:49 PM) _________________________ 51 GMC 4.2 turbo Can't solved today's problems using the same technology/thinking that created them
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#42035 - 06/17/08 04:07 PM Re: Vortec 4200 [Re: efi-diy]
Kerry Pinkerton Kerry Pinkerton Active BB Member Registered: 01/04/08 Posts: 123 Loc: Near Huntsville, Alabama	Just read this entire thread. Not interested in swapping my 250 at this point but down the road.... That said, I'm NOT interested in the computer control. I saw one photo (Howell??) of an engine with carbs and what appeared to be a distributor running of a gear/cog belt from the front engine pulley. Has anyone done anything like this? The intake manifold is easy. variable cam timing and how to defeat it? _________________________ Kerry Pinkerton http://wheelingmachines.com
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#42038 - 06/17/08 08:47 PM Re: Vortec 4200 [Re: efi-diy]
tlowe #1716 tlowe #1716 12 PORT ADVERTISER Active BB Member Registered: 04/01/04 Posts: 2327 Loc: Dysart, Iowa	efi, tell us about the power it has in stock form. what rpms do you take it to? will it spin the tires from a stop. inquiring minds want to know. you know there is alot more people than us that want to hear. i am impressed with the mileage. my engine is geared simular. 700r4/ 3.55 and 355/60-15 tires. almost the same rpms. i see around 18 at that 70 mph mark. 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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#42065 - 06/19/08 06:50 PM Re: Vortec 4200 [Re: Kerry Pinkerton]
efi-diy efi-diy Active BB Member Registered: 11/21/04 Posts: 1385 Loc: Calgary Alberta Canada	Variable cam timing ... just leave it disconnected or replace the exhaust cam sprocket with an adjustable one from Bates engineering. As far as dist on a cog belt - well personally I think your asking for a world of hurt with timing scatter. The electronics needed to drive the stock COP ignition is pretty simple. That said you could consult with Jerry W. for a dist. solution that works. _________________________ 51 GMC 4.2 turbo Can't solved today's problems using the same technology/thinking that created them
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#42066 - 06/19/08 07:15 PM Re: Vortec 4200 [Re: tlowe #1716]
efi-diy efi-diy Active BB Member Registered: 11/21/04 Posts: 1385 Loc: Calgary Alberta Canada	Tom, The engine loves to rev. I can buzz this to 6200 RPM easy with the stock motor. The mid range is quite strong and it'll smoke'm easy with a bit of converter load. With a manual it would be crazy. The 1-2 shift burns the hides for 20', the 2-3 a good 3-4' It runs out of 2nd gear at 75 mph....! I haven't found enough road to run out of 3rd.... I bet in a more aerodynamic body even your EC it would get 26-28 MPG. The '51 is a big brick... Bet in OEM stock form the truck would have a hard time going faster than 80 MPH. The motor likes to turn 2600 to 2800 on the highway, just one problem this is 75 to 80 mph - way over the local limit. So I think 3.7 or 3.9 gears would be better than the 3.5's that i currently have. I suspect that it will get better mileage with more gear as at 2000 its not in its power band and you need to crack the throttle more. I tried this by running in drive at 2750 rpm - the motor needed just 47/256 on the VE table at 2750, shifting to 4th (OD) at 2000 it needed 130/256 VE which is a lot more fuel almost 3x as much. The trail blazers come with either 3.5, 3.7 or 4.10 gears. For folks not EFI friendly VE is the fuel control table. 256/256 is 95% duty cycle on the injectors. The motor like to idle on just 7/256 - basically very little fuel . M. Edited by efi-diy (06/19/08 07:18 PM) _________________________ 51 GMC 4.2 turbo Can't solved today's problems using the same technology/thinking that created them
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#42070 - 06/20/08 04:56 AM Re: Vortec 4200 [Re: efi-diy]
inline300 inline300 Active BB Member Registered: 12/13/04 Posts: 460	Originally Posted By: efi-diy Tom, The engine loves to rev. I can buzz this to 6200 RPM easy with the stock motor. The mid range is quite strong and it'll smoke'm easy with a bit of converter load. With a manual it would be crazy. The 1-2 shift burns the hides for 20', the 2-3 a good 3-4' It runs out of 2nd gear at 75 mph....! I haven't found enough road to run out of 3rd.... The motor like to idle on just 7/256 - basically very little fuel . M. Sure would be cool to see a video of this thing in action. Edited by inline300 (06/20/08 04:57 AM)
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#42162 - 06/25/08 10:46 AM Re: Vortec 4200 [Re: edisto]
greengeeker greengeeker Bulletin Board Only Member Registered: 07/27/07 Posts: 1 Loc: MN	Originally Posted By: edisto hello all - great info on the 4.2 I6 - couldn't find dimensions (LxWxH) anywhere. Does anyone have that info? Can anyone answer this question? thanks a bunch.
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#42199 - 06/29/08 04:45 PM Re: Vortec 4200 [Re: greengeeker]
limequat limequat Active BB Member Registered: 08/28/06 Posts: 144 Loc: Detroit	http://forums.trailvoy.com/showthread.php?t=41406&page=3 see post 30 for rough dimensions Edited by limequat (06/29/08 04:46 PM)
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#42266 - 07/02/08 09:20 PM Re: Vortec 4200 [Re: inline300]
efi-diy efi-diy Active BB Member Registered: 11/21/04 Posts: 1385 Loc: Calgary Alberta Canada	http://img532.imageshack.us/my.php?image=732008011921xz3.flv hope this works the camera operator needs a bit more practice - at the very start you can hear the tires bust loose going into 2nd at 35 mph Originally Posted By: inline300 Originally Posted By: efi-diy Tom, The engine loves to rev. I can buzz this to 6200 RPM easy with the stock motor. The mid range is quite strong and it'll smoke'm easy with a bit of converter load. With a manual it would be crazy. The 1-2 shift burns the hides for 20', the 2-3 a good 3-4' It runs out of 2nd gear at 75 mph....! I haven't found enough road to run out of 3rd.... The motor like to idle on just 7/256 - basically very little fuel . M. Sure would be cool to see a video of this thing in action. Edited by efi-diy (07/02/08 09:26 PM) _________________________ 51 GMC 4.2 turbo Can't solved today's problems using the same technology/thinking that created them
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#42268 - 07/02/08 10:44 PM Re: Vortec 4200 [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: 4546 Loc: Ca	My first truck I drove was a 1950 GMC w/a 235 stick shift. It would burn out very easy,I believe because the trucks are light plus,not much weight over the rear. MBHD _________________________ 12 port SDS EFI
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#42271 - 07/03/08 03:54 AM Re: Vortec 4200 [Re: Mean buzzen half dozen A.K.A. Hank]
inline300 inline300 Active BB Member Registered: 12/13/04 Posts: 460	thanks efi-dyi that thing sure has a unique sound, looks good too.
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#45076 - 11/11/08 02:39 PM Re: Vortec 4200 [Re: inline300]
buktooth buktooth Bulletin Board Only Member Registered: 08/04/08 Posts: 1 Loc: Ontario, Canada	Hey guys I'm looking into building a variable pulsewidth modulator. It will allow you to hook up the vvt and change cam position dependant on the throttle position. Basicly tighter lsa(more overlap at full throttle) and wider lsa for idle and off idle. I will post it here if/when its completed. Edited by buktooth (11/11/08 02:39 PM)
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