3800 in 86 Firebird Auto
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3800 in 86 Firebird Auto
I am getting a 2,8l auto 1986 firebird for 800 bucks, I want some peppy power but good mpgs. A 3800 swap sounds badass as I can boost down the line. How do you go about swapping a 3.8l into a third gen?
#2
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Re: 3800 in 86 Firebird Auto
The 3.4 V6 is a bolt in swap, as is the 3.1. You can boost the 2.8 if you want, but you wanna make sure it’s in good shape before you do that lol.
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codyman125 (02-19-2024), WildCard600 (02-19-2024)
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Re: 3800 in 86 Firebird Auto
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Re: 3800 in 86 Firebird Auto
I saw a ~ 1965 chevy ii that had a ~ 1995 FWD 3800 mounted lengthwize for the RWD- do not know what tranny was used,but i think the FWD 3800 has same 60* bellhousing as 2.8, You will be on your own for lots of small parts and details on the swap.
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Re: 3800 in 86 Firebird Auto
Mike.
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Car: '92 Corvette, '89 1/2-a-'Vette
Engine: LT1, L98
Transmission: ZF6, ZF6
Axle/Gears: 3.45, 3.31
Re: 3800 in 86 Firebird Auto
You're getting a ~200hp engine and doing a lot of work and part$ gathering for 200 hp? Not worth it. But "I can boost it down the line." You CAN...but then you'll have the wrong compression for boost, you'll have spent the time and money to get and install the booster part$....and for all of that, you'll have ~250hp with detonation, possibly. Not worth it. I know it sounds/feels like a cliche' but put in a V8. Worth it.
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VIZ28 (02-20-2024)
#7
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Re: 3800 in 86 Firebird Auto
You're getting a ~200hp engine and doing a lot of work and part$ gathering for 200 hp? Not worth it. But "I can boost it down the line." You CAN...but then you'll have the wrong compression for boost, you'll have spent the time and money to get and install the booster part$....and for all of that, you'll have ~250hp with detonation, possibly. Not worth it. I know it sounds/feels like a cliche' but put in a V8. Worth it.
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