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Will Large Port Vortec Heads Fit

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Old 04-24-2006, 05:32 AM
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Car: 1989 IROC-Z
Engine: L98
Transmission: 700R4
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Will Large Port Vortec Heads Fit

I was looking at the Large Port Vortecs on Jegs.com JEGS High Performance - GM Performance Parts Cast Iron Large Port Vortec SBC Heads
and was wondering if they will fit on the stock TPI setup. It says that the intake mounting holes are for both the early model 6 bolt and late model 4 bolt. Does anyone have any experience with these?
Old 04-24-2006, 08:59 AM
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Car: 1995 Corvette
Engine: LT1
Transmission: 6 spd Manual
Axle/Gears: Dana 44, 3:45:1
They probably still have the raised intake ports, so a stock TPI base probably won't match up very well... There's not a lot of meat on a stock base to work with either, so I dunno...
Old 04-24-2006, 02:17 PM
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With the stock TPI base , you will be cutting off some of the area
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