I am attempting to order a higher compression piston set for a engine project. Ross needs all sorts of questions answered that i haven't a clue on how to answer and do not have a spare stock piston laying around... Can anyone help?


Thanks

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91 Firebird
3.1 w/ K&N filter, 160 stat, No TB heat, Direct Cold air, DynoMax CatBack, B&M MegaShifter, Performance Shift Kit, Bosch platinum plugs, 7mm "stock" wires, Jensen CD330X Head unit, Jensen 120watt rear speakers
Stock front speakers,

0-30mph 4.25 Best 4.09
0-60mph 9.16 Best 9.09

Now on the workbench:

Preped 3.1L bored 1mm over, forged rods, Ported and polished GM iron heads, 3.1L intake, polished and gasket matched <---- whadda pain, Crane 1.6:1 rockers, PAW Cam 280/290, .443/.465, race underdrive pullies.

Slowly but surely seeking a 14.2 NA in the 1/4 mile.

 

Help with what? Which dimension?


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-Tom P (Hot rodded 1986 Firebird 2.8l) from http://www.f-body.net/mailbag/3rd/3rd_mailbag.html message boards
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