engine swap help
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Joined: Feb 2007
Posts: 122
Likes: 2
From: pennsylvania, united states
Car: 1985 & 1988 trans am
Engine: 350 tpi ; 355
Transmission: 700r4 auto; converting to 6 speed
Axle/Gears: 9 bolt 3:27 posi; 2.73 open
th v8s are the same but can you tell me if and what bellhousing will fit on a v6 5 speed that will bolt to a v8
Joined: Mar 2000
Posts: 43,187
Likes: 43
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
The V6 5-speed will bolt to a V8 bellhousing, but that's about where the good news ends.
Member
Joined: Feb 2007
Posts: 122
Likes: 2
From: pennsylvania, united states
Car: 1985 & 1988 trans am
Engine: 350 tpi ; 355
Transmission: 700r4 auto; converting to 6 speed
Axle/Gears: 9 bolt 3:27 posi; 2.73 open
i was hoping to be able to use the 5 speed because i really dont want an automatic and dont have the extra funds to buy another tranny
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Joined: Mar 2000
Posts: 43,187
Likes: 43
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
You'll need a V8 flywheel, bellhousing and pressure plate. Get an S10 V6 clutch disk, should have the same spline size as the V6 input shaft. Try a search, it's been discussed.
You could use a V6 disk, but it would be very small. And, you'd have to use a V8 pressure plate because of the flywheel.
Make sure you put a pilot bearing in the V8 crankshaft, or your V6 transmission won't be long for this world. As it is, you'll have to really baby the V6 tranny with a V8 in front of it.
You could use a V6 disk, but it would be very small. And, you'd have to use a V8 pressure plate because of the flywheel.
Make sure you put a pilot bearing in the V8 crankshaft, or your V6 transmission won't be long for this world. As it is, you'll have to really baby the V6 tranny with a V8 in front of it.
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theshackle
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Mar 5, 2017 06:37 PM





