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Old Mar 18, 2005 | 05:33 PM
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Mcdamit's Avatar
Mcdamit
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Joined: Sep 2004
Posts: 878
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Car: 89' Iroc-Z G92
Engine: TPI 305 G92
Transmission: T-5
Axle/Gears: Limited 9 bolt, 3.45
Really Easy one
anyone know the Combustion Chamber Size, Intake and exhaust valve sizes, etc. for the 305 cylinder head on an 89' Iroc..Thanks
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Old Mar 18, 2005 | 05:38 PM
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ShiftyCapone
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From: Cincinnati, OH
Car: '90 RS
Engine: 377 LSX
Transmission: Magnum T56
58cc
1.84 I
1.50 E
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Old Mar 18, 2005 | 06:52 PM
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Token
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From: Toledo, OH
Car: 1992 Firebird
Engine: forged 357
Transmission: 700r4, 2200-2400 stall, vette servo
Axle/Gears: stock pegleg 2.73 drum (temp)
Originally posted by ShiftyCapone
58cc
1.84 I
1.50 E
aka worthless
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Old Mar 18, 2005 | 06:59 PM
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ShiftyCapone
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From: Cincinnati, OH
Car: '90 RS
Engine: 377 LSX
Transmission: Magnum T56
Originally posted by Token
aka worthless
Not at all. The chamber size is great and you can step up to larger valves without breaking the bank.
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Old Mar 18, 2005 | 07:39 PM
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Token
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From: Toledo, OH
Car: 1992 Firebird
Engine: forged 357
Transmission: 700r4, 2200-2400 stall, vette servo
Axle/Gears: stock pegleg 2.73 drum (temp)
aren't they swirl port heads though?
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Old Mar 18, 2005 | 09:06 PM
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Mcdamit
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Senior Member
 
Joined: Sep 2004
Posts: 878
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Car: 89' Iroc-Z G92
Engine: TPI 305 G92
Transmission: T-5
Axle/Gears: Limited 9 bolt, 3.45
thanks Shifty,
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Old Mar 18, 2005 | 09:58 PM
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91GTABird
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Joined: Aug 2001
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From: Memphis, Tn
Car: 92' RS
Engine: 357
Transmission: TH350
Axle/Gears: 4.10
Token aren't they swirl port heads though?
Swirl Ports=TBI
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Old Mar 18, 2005 | 10:20 PM
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Token
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Joined: May 2003
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From: Toledo, OH
Car: 1992 Firebird
Engine: forged 357
Transmission: 700r4, 2200-2400 stall, vette servo
Axle/Gears: stock pegleg 2.73 drum (temp)
Originally posted by Bri3212
Swirl Ports=TBI
ah I thought both 305s as well as carb had swirl port heads, and then L98s had their own heads.
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Old Mar 18, 2005 | 11:11 PM
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Red Devil
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From: E.B.F. TN
Car: Tree Huggers
Engine: Do Not
Transmission: Appreciate Me.
Those TPI 305 heads have been known to make appearances on 350s now and again.
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