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Chevy S10 - GMC S15 and Sonoma Engine Swap

22 messages,  Last post on Aug 19, 2008 at 3:34 PM

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#13 of 22 GMC Engine by dave162 Oct 08, 2007 (7:32 pm)
Just got a 1999 Sonoma extended cab 2.2L 4cyl. It seems as though this engine is not strong enough for this truck. I had a 96 2.2 standard trans. and it will easily out preform this newer truck which is automatic. Anyone know if I can replace this engine with a V6? Will it match up with the trans. in the truck. How much should it cost? Any help? Replies to this message: gonogo (Oct 09, 2007 9:13 am)
#14 of 22 Re: GMC Engine [dave162] by gonogo Oct 09, 2007 (9:13 am)
Replying to: dave162 (Oct 08, 2007 7:32 pm) Best thing is live with it or get another truck, with computers swapping engines is not easy anymore.
#15 of 22 Re: s-10 v8 swap [mvolek]305 -307 by philscbx Nov 13, 2007 (5:22 am)
Replying to: mvolek (Jan 17, 2007 11:39 am) Both of these motors are worthless slugs of lead.[305 - 307] An Old School 327 stock is ten times that of both of the others. It has to do with the perfect Bore to Stroke Ratio of the 327. It has the best power to weight right out of the box.   It's why they were the standard issue for fuel economy and power in School Busses.   350's have been stuffed into these for some time now. Just Google search and you will see many done. Once you make a search for a topic, then hit image search button. You'll see hundreds done all over the world. Replies to this message: ghosttriker (Aug 19, 2008 3:34 pm)
#16 of 22 engine replacement by hoodlatch Dec 24, 2007 (12:38 am)
Can I replace my 4.3Z with a Vortec X or W long block? I would like to up grade my 92Z with a balanced Vortec using my intake and exhaust manifolds. Has anyone tried it before? Thanx
#17 of 22 Engine conversion 2.2L to 4.3L by ridin_wild2000 Jan 09, 2008 (7:51 pm)
I am looking to replace my 2.2L in my 95 chevy s10 with a 4.3L. If I found another s10 that was 98 or newer with a 4.3L in it with low miles, would it match up under my hood. My 2.2 taps while running i have replaced the lifters and bridges. the tapping is coming from with in the engine. i gave up on this engine, and am looking for a total replacement. this is just a project truck now. thanks for any 411
#18 of 22 Engine Swap by 1gmcsonoma Jan 19, 2008 (7:03 pm)
I Have a 98 GMC Sonoma 2.2 5 speed and i was wondering if a 4.3 vortec out of a 98 GMC Sonoma Or 98 S10 would be the same computer and plug right in to my 2.2 Replies to this message: miniwhl (Feb 11, 2008 1:26 pm)
#19 of 22 Engine Swap S-15 by miniwhl Feb 11, 2008 (1:24 pm)
I have been assured by the salvage yard and rodder friends that the engine swap from 2.2 to 4.3 is very painless, but don't know about driveshaft issues. The computer and harness from the 98 up TPI engine should be used and the radiator should be upgraded also. The only question I have is about the driveshaft. My Jimmy has the 2.2 5-spd, and the 4.3 will have the 5-spd from the later truck. Can I use the existing driveshaft or will I have to use something else?
#20 of 22 Re: Engine Swap [1gmcsonoma] by miniwhl Feb 11, 2008 (1:26 pm)
Replying to: 1gmcsonoma (Jan 19, 2008 7:03 pm) I am doing the same swap, and have been assured that this is an excellent swap, but the computer, wiring harness, and sensors from the later model engine must be used to function correctly. Good Luck
#21 of 22 The swap from 2.2 L to 4.3 L by ridin_wild2000 Feb 11, 2008 (6:25 pm)
I am currently finishing up a swap in my 95 s10 the swap is very painless. Your best bet though is to find a car or truck with everything in it that goes to the engine, then you can swap the computer and everything else that matches the 4.3L. Our biggest problem was deciding which 4.3L to use when incountering a Vortec it is all wires and elctronic you could do all the chasing or you go like I did with a TBI, that was the easiest route along with plenty of upgrade options. The 4.3L has the same bolt hole pattern as a small block v8 so the 2.2L tranny wont match up and the 4.3L tranny is longer. So the best bet there for us was to either find a shorter drive shaft or a split yoak that would work, the other option is to buy an adapter kit that would allow me to use my t5 tranny from the 2.2L I think we bought this adapter from ADVANCEADAPTERS.COM
#22 of 22 Re: s-10 v8 swap [mvolek]305 -307 [philscbx] by ghosttriker Aug 19, 2008 (3:34 pm)
Replying to: philscbx (Nov 13, 2007 5:22 am) what are you smokin? i have built both 305,s and 307,s that have totally creamed so called "balanced&bluprinted engines". i had a 69 chevelle that had a tonowanda 307 in it and i wiped the street with everything that it came up against except for bvelieve it or not ,a supercharged 72 mazda rx 3. i also had a 76 monza spyder with a 305 in it. i raced motorcycles with that car. the 307 was a cross between a 283 and a 327. the 305 is a cross between a 262 and a 350. these motors are not given the respect that they really do deserve.the only real difference between them ( other than the 400) is bore size and heads.and that is cureable.as for more power from a 350? i have a 262 on my trike that pops out around 285 hp on pump gas.

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