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402 in s10 xtreme

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Jun 2, 2010, 6:20 PM

Post #1 of 7 (1745 views)
402 in s10 xtreme Sign In

would a 402 big block fit in a 2003 s10 xtreme? thx and ps dont say anything about my other 2 posts

Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jun 2, 2010, 6:26 PM

Post #2 of 7 (1743 views)
Re: 402 in s10 xtreme Sign In

Why, because you say 2 entirely different things in different posts. You don't get to tell us what we can talk about. Your just talking nonsense now unless your independently wealthy and stubborn. What your talking about doing could cost $20K and many years to fabricate.
I beginning to think your just wasting a lot of our time with this stuff.


We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.


Jun 2, 2010, 6:40 PM

Post #3 of 7 (1738 views)
Re: 402 in s10 xtreme Sign In

no im not wasting time i just want to know if it fits. on craigslist (locally) i found a boat with a 402 big block. i just want to know if it fits so if i were to buy it i could put the engine in my truck and the boat i would put a smaller motor in it and that would make me happy. i am not wealthy/dont like to waste time just curious Unsure

Veteran / Moderator
re-tired profile image

Jun 2, 2010, 8:50 PM

Post #4 of 7 (1730 views)
Re: 402 in s10 xtreme Sign In

No a marine eng would not do well in your truck . Many reasons, the top being it will be set up with low compression pistons and a marine cam for low rpm steady cruise running . Look, as I said in your other posts which waste our time saying the same info over & over . We are doing this for free and on our family time after all. As I posted before , buy some rodding mags , there are some just for your idea's and truck. And read ! I for one am done with the subject. Good luck.



Jun 3, 2010, 9:28 AM

Post #5 of 7 (1723 views)
Re: 402 in s10 xtreme Sign In

i am not wasting time. if i went to my local library it would take me forever to find the info. all i was wanting to know was if it would fit and about the gears thats it.

there is the link to the engine

(This post was edited by Hammer Time on Jun 3, 2010, 10:29 AM)

Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Jun 3, 2010, 10:42 AM

Post #6 of 7 (1714 views)
Re: 402 in s10 xtreme Sign In

coxie: You are way over you head with this. Dream on but you've said you don't have the money so that ends it right there. Even if you managed a big block into this thing you would struggle with wild adjustments for steering and brakes to compensate the weight being where it wasn't planned and tons more.

Save your money. Just keep this a good running original vehicle. Without tons of help if this type of thing is what you really want buy one that's done and works properly and just deal with the headaches of it that will come up.

Never mind that making this thing street legal for many places/states would be a fantastic challenge. Go to a car show and see that most funky and altered vehicles are actually on chassis of ancient vehicles exempt as they are so old by serial # anyway.

Forget marine power-plants. They are too designed for that purpose to be useful for this,



Jun 3, 2010, 12:33 PM

Post #7 of 7 (1708 views)
Re: 402 in s10 xtreme Sign In

ok thx so its no thx

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