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Swirl Port Heads

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Old 02-25-2010, 01:28 PM
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Car: 1984 Sport Coupe
Engine: v6
Transmission: 5spd.
Swirl Port Heads

Just aquired 350(1988 model). Engine has swirl port heads,are these heads ok for mild cam,intake,headers,etc. or should I throw them away and use an older set of heads that I have(1976)? Buying aftermarket heads is out of the question as this is not a race engine,just want a good street performer.
Thanks
Old 02-25-2010, 03:09 PM
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Car: 82 Berlinetta/57 Bel Air
Engine: LS1/LQ4
Transmission: 4L60E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Mild cam, matching intake, headers, they'll be fine. Much better than 70's vintage factory heads.
Old 02-26-2010, 07:09 AM
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Re: Swirl Port Heads

Any idea what size valves they have?
Old 02-26-2010, 05:11 PM
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Car: 82 Berlinetta/57 Bel Air
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Transmission: 4L60E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
1.94"/1.50".
Old 02-26-2010, 06:33 PM
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Car: 82 S10, 83 280ZX, 84 Z28
Engine: 355 smallblocks..na, 2.8 turbo
Transmission: 85:th350, 84:700R4
Axle/Gears: 85:ford9 4.85, 84:stock 3.24
Re: Swirl Port Heads

i'm running the L05 heads on my s10 with a summit 1102 cam, performer intake, and holley vac secondary carb and its very torquey. i like it.
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