Heads
12-12-2001, 09:49 AM
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Heads
I am looking to get a set of heads for my camaro. I have a Carbuerator 350 4-bolt engine. Question is, which is better Angled plug heads or Straight plug heads. And what would be a good head to use?
12-12-2001, 01:37 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
Depends upon what else you've done and what you want to do with it.
For stock type replacements with a performance improvement, the World S/R Torquers are an excellent choice and for a decent price. Their Sportsman II's would be the next step up.
AFR, Twisted Wedge, Edelbrock, Holley are also all good choices, the deciding factor being whether or not you need all they offer and if you're willing to pay the price to get them.
As for straight or angled plugs, about the only advantage angle plug heads offer is header clearance. they were originally conceived thinking they would offer better flame travel and therefore better performance; further developement has shown spark plug proximity to the exhaust valve is the real factor.
------------------
82 Berlinetta, orig V-6 car, now w/86 LG4/TH700R4, 2300 stall TC. Ported World 305 heads, Crane PowerMax 2050 cam. ZZ3/4 intake, oil pump, pan & baffle. Accel HEI SuperCoil & module. Hooker 2055 headers, 3" Catco cat & 3" catback w/dual-opposite Flowmaster 80. 2.93 limited slip. Spohn SFCs waiting to be installed. AMSOIL syn lubes bumper-to-bumper. Daily year-round driver. Best ET, speed TBD...
57 Bel Air, my 1st car. '66 396, 9.7:1 forged TRWs, Weiand Action+, Holley 750VS w/4150 conversion, GK 270 cam, Magnum rockers, Jacobs Omnipack, 1-3/4" Hedders & 3" Warlocks, TH400 w/TCI Sat Night Special conv & Trans-Scat shift kit, MegaShifter, 3.08 8.2" 10-bolt w/Powertrax, AMSOIL syn lubes bumper-to-bumper. Idles smooth @ 700 RPM in D. Best 15.02/95.06 @ 5800' Bandimere (corrected 13.93/102.4 @ sea level).
For stock type replacements with a performance improvement, the World S/R Torquers are an excellent choice and for a decent price. Their Sportsman II's would be the next step up.
AFR, Twisted Wedge, Edelbrock, Holley are also all good choices, the deciding factor being whether or not you need all they offer and if you're willing to pay the price to get them.
As for straight or angled plugs, about the only advantage angle plug heads offer is header clearance. they were originally conceived thinking they would offer better flame travel and therefore better performance; further developement has shown spark plug proximity to the exhaust valve is the real factor.
------------------
82 Berlinetta, orig V-6 car, now w/86 LG4/TH700R4, 2300 stall TC. Ported World 305 heads, Crane PowerMax 2050 cam. ZZ3/4 intake, oil pump, pan & baffle. Accel HEI SuperCoil & module. Hooker 2055 headers, 3" Catco cat & 3" catback w/dual-opposite Flowmaster 80. 2.93 limited slip. Spohn SFCs waiting to be installed. AMSOIL syn lubes bumper-to-bumper. Daily year-round driver. Best ET, speed TBD...
57 Bel Air, my 1st car. '66 396, 9.7:1 forged TRWs, Weiand Action+, Holley 750VS w/4150 conversion, GK 270 cam, Magnum rockers, Jacobs Omnipack, 1-3/4" Hedders & 3" Warlocks, TH400 w/TCI Sat Night Special conv & Trans-Scat shift kit, MegaShifter, 3.08 8.2" 10-bolt w/Powertrax, AMSOIL syn lubes bumper-to-bumper. Idles smooth @ 700 RPM in D. Best 15.02/95.06 @ 5800' Bandimere (corrected 13.93/102.4 @ sea level).
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