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For the few of you that want to do the 4200 swap, using your existing automatic (note the bellhousing adapter will work for a std transmission bell as well) all the parts are available to do so -Bell housing adapter - this adapts the 4200 bolt pattern to the 194/292/SBC/BBC bell housing pattern - 3/8" plate - laser cut and CNC machined - adapter to 4200 block bolts included - Torque convertor spacer to take up the thickness of the spacer and provide correct support for the t/c hub. Supplied with correct bolts - extra long dowel pins
Last edited by efi-diy; 01/25/14 02:38 AM.
51 GMC 4.2 turbo Can't solved today's problems using the same technology/thinking that created them
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EFI, Glad to see you making these parts. All my 250 and 292 engine come from the factory with that built in. How is that for a rub?
Inliner Member 1716 65 Chevelle Wagon and 41 Hudson Pickup Information and parts www.12bolt.com
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That looks good. I hope it helps generate interest among the more traditional set.
"I wonder if God created man because he was disappointed in the monkey?" Mark Twain
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Thank you for making that part. I own an 07 Trailblazer and know how good 4200 engines are. Out into the future a few years I would like to try one in the Nova that I have. Jay 6155
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EFI, Glad to see you making these parts. All my 250 and 292 engine come from the factory with that built in. How is that for a rub? true... but they don't make 275HP/291 SAE NET with no mods now do they... Look at Danny's 3rd gen camaro install - stock engine + turbo... == 500 hp....
Last edited by efi-diy; 01/25/14 10:52 PM.
51 GMC 4.2 turbo Can't solved today's problems using the same technology/thinking that created them
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I am one of the converts, swap out the old style 6 for the new style.
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Set all your 302s by the curb and I'll pick them up.
"I wonder if God created man because he was disappointed in the monkey?" Mark Twain
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Beater, I am going to sell off my 302 and all extra parts, blower and turbo pieces. email or call at garyhartracing@yahoo.com 417-830-1504
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Beater, I am going to sell off my 302 and all extra parts, blower and turbo pieces. email or call at garyhartracing@yahoo.com 417-830-1504
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Beater, I am going to sell off my 302 and all extra parts, blower and turbo pieces. email or call at garyhartracing@yahoo.com 417-830-1504
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Gary I would really be interested if I had some money. Unfortunately that's not the case. I will let some of my serious 302 friends know. They let me play with them at Bonneville. The 4200 group at our local Chapter meeting yesterday has grown to 6 and two of them are working on their 2nd projects.
"I wonder if God created man because he was disappointed in the monkey?" Mark Twain
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I tried to post a photo with the last post, had troubles, I guess that's why it came through 3 times. Sorry
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I will be getting another batch of block adapter cut within weeks if anyone want one speak up. On another note the crank hub adapters to mate a non vortec GM automatic (PG/TH200/350/400/700) will be ready by mid next week baring any more delays at the machine shop.
The extra long dowel pins are ready and in stock.
51 GMC 4.2 turbo Can't solved today's problems using the same technology/thinking that created them
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This is a bit redundant Marc, but put me down for all of the above AND a new rear sump pan. Murray
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51 GMC 4.2 turbo Can't solved today's problems using the same technology/thinking that created them
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Looking for 1 more person that needs a spacer....
51 GMC 4.2 turbo Can't solved today's problems using the same technology/thinking that created them
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Marc, you know I still will need an adapter plate to replace Sumners that he loaned me.
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Yes. Need qty 3 before I can order them otherwise the cost per goes up a lot. Setup costs.
51 GMC 4.2 turbo Can't solved today's problems using the same technology/thinking that created them
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He is in no hurry, so we can wait. Just let me know when you get it.
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