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heads?

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Old Aug 28, 2005 | 09:06 PM
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mopain's Avatar
mopain
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Joined: Aug 2005
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From: texas
Car: 1986 trans am
Engine: 305 tpi
Transmission: th700r4
heads?
will 87 tpi heads work on an 86 tpi motor
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Old Aug 29, 2005 | 01:15 PM
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five7kid
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Yes, but the intake bolt angle changed for the center two bolts, and they went from perimeter to center bolt valve covers, in '87.
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Old Aug 29, 2005 | 08:14 PM
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mopain
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Joined: Aug 2005
Posts: 45
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From: texas
Car: 1986 trans am
Engine: 305 tpi
Transmission: th700r4
could i fix the bolt hole angle myself or if not could a machine shop do it. i have limited funds and i really need these heads to work.

thanks for answering me.
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Old Aug 29, 2005 | 08:58 PM
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ME Leigh
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Joined: Jan 2002
Posts: 3,852
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From: Valley of the Sun
Car: 82 Z28
Engine: Al LT1 headed LG4 305
Transmission: TH350
Axle/Gears: 3.73 posi with spacer
You could do it with a rotary file, round file or a drill bit.
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Old Aug 29, 2005 | 09:18 PM
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mopain
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Joined: Aug 2005
Posts: 45
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From: texas
Car: 1986 trans am
Engine: 305 tpi
Transmission: th700r4
thanks to both of you. yall just made my day.
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