Engine swap

MATTE1114

MEMBER
1991 CHEVROLET S-10
10,000 MILES

I have a 4.3 tbfi in my 91 sonoma and im wanting to swap it with a 4.3 fi out of a 94 blazer. What changes do I need to make to make it fit and work properly?Any cuts to the firewall?

Friday, February 24th, 2012 AT 9:12 PM

6 Replies

JACOBANDNICKOLAS

MECHANIC
109,700 POSTS

We only recommend direct fit parts

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Friday, February 24th, 2012 AT 9:16 PM

MATTE1114

MEMBER
4 POSTS

Ok but without a direct fit part, not saying you recommend it, how would one make it fit?

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Friday, February 24th, 2012 AT 9:23 PM

JACOBANDNICKOLAS

MECHANIC
109,700 POSTS

Direct fit would bolt right in place

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Friday, February 24th, 2012 AT 9:31 PM

MATTE1114

MEMBER
4 POSTS

I was given the 4.3 fi for free, workin on a limited budget at the moment but not limited time. Aside from the firewall, will most the other oarts still fit in place?Or will I need to do alot of converting?

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Friday, February 24th, 2012 AT 9:35 PM

JACOBANDNICKOLAS

MECHANIC
109,700 POSTS

Chances are you will be doing a lot of changing. When you change from one year to another, it is usually a headach. That is why we recommend direct fit parts.