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[Sold] 89 tpi plenum, ported/polished

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Old Mar 29, 2020 | 11:28 AM
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Car: 1967 Camaro, 91 z28
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89 tpi plenum, ported/polished
$165 shipped in the states, ported for large tube runners and 58mm tb
comes with extension



Last edited by Tuned Performance; May 10, 2020 at 02:05 PM.
Old Mar 30, 2020 | 11:00 AM
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From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: 89 tpi plenum, ported/polished
$145 shipped in the states
Old May 1, 2020 | 10:41 AM
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From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: 89 tpi plenum, ported/polished
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Old May 1, 2020 | 05:58 PM
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Re: 89 tpi plenum, ported/polished
Just out of curiosity, what kind of performance improvement can one expect by doing this?
Old May 1, 2020 | 06:18 PM
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From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: 89 tpi plenum, ported/polished
I don’t think you would notice any improvement without using Arizona speed and marine , tpis or Slp , edelbrock, Accel runners with the plenum.
iirc this is ported to mr gasket 146
Old May 10, 2020 | 02:05 PM
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From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: 89 tpi plenum, ported/polished
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