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differance in heads

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Old

May 20, 2007 | 05:45 PM

#1

ThermalWake

Thread Starter

Registered User

Joined: May 2005

Posts: 330

From: sacramento california

differance in heads

is a N42 head have higher compression than a P79 and does it have round or square port exaust. does the block from a 75 have flat top or dished pistons

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Old

May 20, 2007 | 07:55 PM

#2

SHADY280

Big Poppa

Joined: Jan 2005

Posts: 4,499

From: Mission, British Columbia

the n42 head has square ports for the exhaust, and would have a higher cr than a stock p79 which has round ports with liners. as for the block part, i believe (dont quote me on this one) is has dished.

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Old

May 20, 2007 | 08:28 PM

#3

WildmaN

More Than Meets The Eye

Joined: Feb 2005

Posts: 5,120

From: Mesa, Az

Yeah as far as I know. Dished pistons till '81. Then they went to flat top ones.

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Old

May 21, 2007 | 08:53 AM

#4

hoov100

Ruff Ryder

Joined: Sep 2005

Posts: 6,140

From: palm desert

my 81 NA zx had flat top..

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Old

May 21, 2007 | 01:37 PM

#5

WildmaN

More Than Meets The Eye

Joined: Feb 2005

Posts: 5,120

From: Mesa, Az

^^Yeah that is what I meant to say. lol They started with flat top in the '81 year.

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