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Old 12-21-2014, 12:47 PM   #1
mikejohn OP
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S10 chevy 350 engine swap

Have a 02 S10, thinking of doing the 350 engine swap, who on here has done it, pros and cons besides going faster.
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Old 12-21-2014, 01:06 PM   #2
ragtoplvr
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Quote:
Originally Posted by mikejohn View Post
Have a 02 S10, thinking of doing the 350 engine swap, who on here has done it, pros and cons besides going faster.
I did an 82, it cost WAY more than expected. New rear end, custom driveshaft, th350, headers, hood scoop, radiator, modify floor pan, overload shock front, traction bars rear, custom exhaust. Finally worked. Handling sucked. Tires even with posi were easy to smoke. Understeering beast from the extra weight, it was a fine line from understeer to oversteer.

Drove for a while, then sold at a loss, normal for these things. It was fun to be pulling my boat to table rock and pass all kinds of diesel trucks while they were going up hill pulling similar bass boat. I could pull all the hills easy at 70+ I used quiet mufflers and had a dual snorkel air cleaner with heat so it was quiet. It was fun to hear the chatter on the CB.

Rod
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Old 12-21-2014, 01:32 PM   #3
C/1/509
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Probably not worth doing except as a project or similar.
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Old 12-21-2014, 02:47 PM   #4
broncobowsher
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Are you starting with a 4.3 truck? I know that makes for a much easier swap since the 4.3 is just 75% of a 350.

Do you have emissions testing in your area? That can make it much more difficult if you want to actually drive it.

I have only done a stroked 5.0 into a Ranger. Truck was free (father blew the engine). Sold it for a huge loss. Kinda killed my interest in project cars. I say that as there is a '62 F100 in the back yard with 2 bad engines in it (one under the hood, another in the bed). Been thinking of doing a cheap engine swap to try and make things fun again. 300 I6 with a turbo and a 5-speed (all junkyard parts, no internals touched other than fresh oil and maybe a new rear main seal or basic gaskets.
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Old 12-21-2014, 02:58 PM   #5
Jarlaxle
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Very easy and pretty common swap...Jaguars That Run has a step-by-step instruction book.

Car Craft is doing a V8 S-10...it's an older (square-body) truck called "Project STen", but the actual procedure for a 2002 is essentially the same.

Starting with a 4.3/auto truck makes it much easier.
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Old 12-21-2014, 04:30 PM   #6
Murf2
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I'm with ragtoplvt. To me, the juice a ain't worth the squeeze. If yor srarting with a 4.3 truck, I'd just hop it up.
I always thought a 3.8 would be kinda cool. It would be more work tho. I think it would be a better balanced truck.
Good luck with it!

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Old 12-21-2014, 04:49 PM   #7
Switchblade315
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if it's got a 4.3 just mod it. you'll get more power cheaper. it's its a 2.8 or what ever the smaller motor is in that year. it's not really worth it unless you just have the cash to blow and want to have something to be stupid in. Now I am looking at swaping a 2.8 into one that has a 2.5 and a 5 speed.
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Old 12-21-2014, 06:29 PM   #8
mikejohn OP
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well, mine is a 4 cylinder. as some have said, might be better to find a 4.3
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Old 12-21-2014, 06:32 PM   #9
Motornoggin
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Check your local regs. While a 350 swap into an S10 seems to be pretty straight forward, an LS series engine may provide better performance, economy and emissions legality over a 350. The ubiquitous SBC 350 was out of light duty production by '02 and not legal for that year vehicle in most states.

I have been mulling over the idea of an LS swap into my '02 Sonoma. I think a 4.8 iron block, LS3-LQ9 cathedral port heads and a 60-66mm turbo with a manual trans would be pretty cool. 800hp with minimal work, just $$$.
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Old 12-21-2014, 06:46 PM   #10
KeithinSC
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Starting with a 4.3 truck gets the heavier rear end, radiator and tranny that will hold up to a mild 350. Cut down the stock driveshaft.

Using the 4 banger rearend is a time bomb behind even a worn out stock 305.

4.8 LS with harness can be pulled for about $700. Holley and Jags That Run have mounts and headers to make it easy.
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Old 12-21-2014, 07:43 PM   #11
reddirtjoe
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It can be done easily and cheaply. ..as long as emissions aren't a concern.
Get the book from Jaguars that run.
I made my motor mounts from the blueprint in the book.
Book also tells you which exhaust manifolds to use, as well as a few other handy tricks needed .
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Old 12-23-2014, 01:20 AM   #12
b1pig
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didnt do it myself. a guy i went to highschool with had one with the 350 in it. had to hammer a recess into the firewall to clear the distributor.

theres no replacement for v8 growl... i say do it. if i ever lay my hands on another cheap japanese truck that has the engine or transmission shot in it, i'm thinking of doing the same thing.
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Old 12-23-2014, 05:17 AM   #13
JimVonBaden
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Quote:
Originally Posted by Switchblade315 View Post
if it's got a 4.3 just mod it. you'll get more power cheaper. it's its a 2.8 or what ever the smaller motor is in that year. it's not really worth it unless you just have the cash to blow and want to have something to be stupid in. Now I am looking at swaping a 2.8 into one that has a 2.5 and a 5 speed.
I wouldn't put a 2.8 into anything. What a dog motor!
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Old 12-23-2014, 07:23 AM   #14
madeouttaglass
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well, mine is a 4 cylinder. as some have said, might be better to find one that someone else has already spent a ton of time and money on and buy it for pennies on the dollar.
Fixed. And no, not because I was smart enough to follow that advice myself. Too much money spent on go fast mods over the decades here. I don't want to think about the time and money that I would have saved by buying someone else's money pit.
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Old 12-23-2014, 08:47 AM   #15
Bobk0
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I have never done it but saw some people back in the day who did. One guy got 11 seconds in a 1/4 mile out of his I always liked the idea of a mid-size street beast truck like that.
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