500 inch Caddy into 89 'Bird
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Junior Member
Joined: Feb 2004
Posts: 31
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From: Minnesota
Car: 1989 Firebird
Engine: Toilet Bowl Injection 305
Transmission: Autotragic
500 inch Caddy into 89 'Bird
So I've got a pair of 500 cid Caddy motors. One is a 70 high compression, the other is a 74. I plan on using the 70 heads with the 74 short block in order to see about 9:1 compression. An aluminum performer intake and Comp 268H should round out the combo. Anyway, does anyone have info on doing the swap? I can't find anything anywhere on this. My immediate concerns are the motor mounts, front clearance, and transmission cross member location with a TH400. Any help would be appreciated.
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Joined: Jul 2001
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From: BFE, MD
Car: 13 Ram 1500/ 78 Formy
Engine: 5.7 / 7.4
Transmission: 6sp / TH350
Axle/Gears: 3.55 posi / 3.23
Originally posted by Flyte risk
Do a search of this forum, IIRC someone here has already done the 500 cad swap.
Do a search of this forum, IIRC someone here has already done the 500 cad swap.
Thread Starter
Junior Member
Joined: Feb 2004
Posts: 31
Likes: 0
From: Minnesota
Car: 1989 Firebird
Engine: Toilet Bowl Injection 305
Transmission: Autotragic
Originally posted by Project: 85 2.8 bird
I believe he also removed a nice chunk of his firewall for better weight distribution too.
I believe he also removed a nice chunk of his firewall for better weight distribution too.
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