Rebuild or not

Uribemr13: Posts: 3; Joined: Thu Jun 13, 2019 6:00 pm; Car: 1994 300zx TT

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Post by Uribemr13 » Wed Aug 05, 2020 4:49 pm

I did a cold compression test on my 1994 TT with 118k miles stock engine.
Cyl. 1=150. Cyl. 2=140
Cyl. 3=135. Cyl. 4=125
Cyl. 5=145. Cyl. 6=150
So question is should I keep it running with cylinder #4 at 125 or should I bite the bullet and overhaul the engine.

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itsa300zx: Posts: 1245; Joined: Sun May 31, 2009 9:39 am; Car: 1990 300zx NA W/TT swap
2011 Nissan Rouge S
2008 Highlander SR5; Location: up North

Re: Rebuild or not

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Post by itsa300zx » Wed Aug 05, 2020 6:14 pm

Redo with warm engine,

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Uribemr13: Posts: 3; Joined: Thu Jun 13, 2019 6:00 pm; Car: 1994 300zx TT

Re: Rebuild or not

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Post by Uribemr13 » Wed Aug 05, 2020 6:58 pm

Just finish doing a warm test numbers didn't change much most lost 2-3 psi across the board.

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NolimitZ32: Posts: 7112; Joined: Fri Jun 27, 2008 9:07 am; Car: 91 AG2 2+0 TTMT swap/E39 BMW 540i6/E53 4.6is Dinan S3; Location: Houston, TX