305 heads
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Joined: Jul 2004
Posts: 10,763
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From: Calgary, AB, Canada
Car: 1982 Trans-Am
Engine: 355 w/ ported 416s
Transmission: T10, hurst shifter
Axle/Gears: 10 bolt, true-trac, 3.73
Re: 305 heads
No.
TBI 305 used swirl ports, 187 casting number I believe.
Carbed used 416's typically.
TPI used 091's I believe. The 416's and 091's are pretty similar, but the swirl ports are the oddballs of the bunch.
TBI 305 used swirl ports, 187 casting number I believe.
Carbed used 416's typically.
TPI used 091's I believe. The 416's and 091's are pretty similar, but the swirl ports are the oddballs of the bunch.
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Joined: Dec 2005
Posts: 443
Likes: 2
From: Wild Blue Yonder
Car: 1991 RS Camaro
Engine: 350 TBI
Transmission: 700R4
Axle/Gears: 3.42 Posi
Re: 305 heads
TBI used 187 swirl, 87+
TPI used 081 heads for 87+
Carb heads pre-87 were 416 and 601
305 Vortec used 059 and 520 castings
TPI used 081 heads for 87+
Carb heads pre-87 were 416 and 601
305 Vortec used 059 and 520 castings
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