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04 Apr 2007, 07:11 pm
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#1 (permalink) |
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Fresh Noob
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b18c5 question
Well im building a type R motor and i wana turbo it so i need low compression pistons but i went on JE pistons website and i dont know how to determine if there low compression or not can someone help me or can i still use the stock pistons? and if i can use the stock ones whats safe max amount of boost
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07 Jul 2007, 07:27 pm
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#2 (permalink) |
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Fresh Noob
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Re: b18c5 question
the best compression ratio is 8.5 to 1 for gsr and type r.
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WARING THIS CAR IS EQUIPPED WITH A TURBO SYSTEM.DUE TO THE POSSIBLE BREATHING PROBLEMS UNDER HEAVY ACCELERATION ,ALL FEMALES ARE REQUIRED TO REMOVE ANY TIGHT FITTING OR CONSTRICTIVE CLOTHING FOR SAFETY. |
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07 Jul 2007, 08:46 pm
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#3 (permalink) |
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Cool Tremekian
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Re: b18c5 question
Watch for block flex at high rpm and boosted engines. B series cylinder walls are not solid they are surrounded by a water jacket. Check into sleeves if that was not already in your plans. As far as compression ratio, you need information such as turbine size, cylinder head flow, camshaft lift and duration, boost pressures you want to run etc. Companies such as JE and Wiseco have tech hotlines that can help you with this situation. Don't just throw in 8.5:1 pistons when 9.5:1 may give you more power at lower boost levels
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07 Jul 2007, 08:50 pm
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#4 (permalink) |
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Fresh Noob
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Re: b18c5 question
thanx for putin that in.it just depends on how much pdi he wants to run.
__________________
WARING THIS CAR IS EQUIPPED WITH A TURBO SYSTEM.DUE TO THE POSSIBLE BREATHING PROBLEMS UNDER HEAVY ACCELERATION ,ALL FEMALES ARE REQUIRED TO REMOVE ANY TIGHT FITTING OR CONSTRICTIVE CLOTHING FOR SAFETY. |
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