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Reload this Page Pro's n Con's w/ head choice

TPI Tuned Port Injection discussion and questions. LB9 and L98 tech, porting, tuning, and bolt-on aftermarket products.

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Old 10-11-2009, 09:08 PM   #1
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Car: 1989 GTA
Engine: 350 TPI
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Pro's n Con's w/ head choice
I have searched alot on here and found these heads in another thread. I am going to put some new ones on the L98 in the next month or so. I have ported plenum/large tube runners/hi flow base/AFPR/suspension mods. Give me your honest opinions please..I don't need any sugar coating... I would like to run in the 12's on just motor. I am planning on a converter and cam soon too, so if you have any input on what would work well with these heads please share
175cc / 56 cc chamber to bump the CR a bit for more power
http://www.summitracing.com/parts/TFS-30300001/

195cc/ 62 cc chamber.Allows for future upgrading
http://www.summitracing.com/parts/TFS-30400001/
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Old 10-11-2009, 09:46 PM   #2
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Re: Pro's n Con's w/ head choice
Between those two, the second without a doubt. No sense saddling your 350 with small valves and small runners.
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Reload this Page Pro's n Con's w/ head choice
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