Is My B20B Head (P75) High or Low Comp?

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Sep 2, 2013 | 10:03 AM

GeneEllis

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Joined: Mar 2012

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Is My B20B Head (P75) High or Low Comp?

Hey i was wondering if anyone knew if my head was high or low comp, also if it happens to be low can/should i use it on a high comp block?

Sep 2, 2013 | 12:23 PM

Sleeper EM1

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Joined: Sep 2010

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From: On a Rock

Re: Is My B20B Head (P75) High or Low Comp?

All P75 Heads have a 45cc Chamber.
The only thing that made a B20 High or Low Comp was the Pistons.

Sep 5, 2013 | 11:44 AM

JDMEK9R

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Joined: Feb 2005

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From: SOCAL

Re: Is My B20B Head (P75) High or Low Comp?

You have the low flowing head. The P8R head is the high flow head.

Sep 5, 2013 | 03:07 PM

B_Swapped93

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Joined: Sep 2012

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From: Toronto,Ontario

Re: Is My B20B Head (P75) High or Low Comp?

I'm going to agree with sleeper EM1, iirc it's in the pistons that the compression is gained over the "low comp one"

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