LT1-LT4 Modifications 1993-97 Gen II Small Block V8

what I need to change my cam to solid

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Old Oct 2, 2012 | 10:28 AM
  #21  
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Thank for all this answers
first thing the Mechanic man said that the comprission is to high
we use this gasgate for the heads 4.030 thikness .40 comitec gasgate
we use octane 98
i talk with the Mechanic who built my engine he said that he use a ford fuel pump to my car is it make problem?? becouse the fuel pressure when we run it on the dyno arround 16 Psi??
and what the best fuel pump should i have??
also to know i have accel regelator
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Old Oct 2, 2012 | 11:05 AM
  #22  
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You should have 43.5 psi. That sounds like your fuel problem. Get a walbro 255.

If anything your conpression is low. With 98 octane fuel you could get away with probably 13.3:1 with a goods tune. Remember these motors have reverse flow cooling, the top of the combustion chamber stays cooler than traditional small blocks so we cam run much higher compression.
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Old Oct 2, 2012 | 11:12 AM
  #23  
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Originally Posted by camaro_9999
Thank for all this answers
first thing the Mechanic man said that the comprission is to high
we use this gasgate for the heads 4.030 thikness .40 comitec gasgate
we use octane 98
i talk with the Mechanic who built my engine he said that he use a ford fuel pump to my car is it make problem?? becouse the fuel pressure when we run it on the dyno arround 16 Psi??
and what the best fuel pump should i have??
also to know i have accel regelator
98 measured how?

We measure differently in the US, so cannot compare straight octane to most other parts of the world.
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Old Oct 2, 2012 | 12:07 PM
  #24  
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Originally Posted by Puck
98 measured how?

We measure differently in the US, so cannot compare straight octane to most other parts of the world.
exactly...........98 octane r+m/2 is different from 98 motor octane.......you need to go off the motor octane number
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