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Old 07-22-2017, 03:19 PM   #1
Bo White


 
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125k mile engine health check

Rolled 125k miles while I was at CamaroFest7.
Decided to do a quick compression test this morning when I got home from work in it so it was warm.
Highest cylinder was 193 psi
Lowest cylinder was 170 psi
Not too bad especially since it was supercharged for 70k miles of its life.
Mobil oil all its life every 5k miles.
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2015 2SS 1LE Clutch reservoir, Vararam DRX, ported TB, TSP 2" headers, MGW shifter, stage 4 cam and Wilkes 11° 65cc heads
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2010 1SS Wilkes Performance/Eagle 416 shortblock, TSP custom valvetrain, PRC 260 heads, Edelbrock Pro Flo 102, th400 swap, 8" PTC 5500 stall= 535/435 at the wheels tuned Gen 3 Performance and Dyno 10.97 @ 124 full weight in 3100 DA CamaroFest X
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Old 07-22-2017, 03:28 PM   #2
Olddudesrule
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Great post! Just goes to show it's not all gloom and doom for well worn LS3's.
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Old 07-22-2017, 03:31 PM   #3
zz430camaro

 
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Quote:
Originally Posted by Bo White View Post
Rolled 125k miles while I was at CamaroFest7.
Decided to do a quick compression test this morning when I got home from work in it so it was warm.
Highest cylinder was 193 psi
Lowest cylinder was 170 psi
Not too bad especially since it was supercharged for 70k miles of its life.
Mobil oil all its life every 5k miles.
11.3@120, what trans and gear?
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Old 07-22-2017, 03:58 PM   #4
Bo White


 
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Heads and cam LS3
Th400
4.10s
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Retired wanna be cylinder head porter
2015 2SS 1LE Clutch reservoir, Vararam DRX, ported TB, TSP 2" headers, MGW shifter, stage 4 cam and Wilkes 11° 65cc heads
Totalled:
2010 1SS Wilkes Performance/Eagle 416 shortblock, TSP custom valvetrain, PRC 260 heads, Edelbrock Pro Flo 102, th400 swap, 8" PTC 5500 stall= 535/435 at the wheels tuned Gen 3 Performance and Dyno 10.97 @ 124 full weight in 3100 DA CamaroFest X
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Old 07-25-2017, 01:28 AM   #5
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1. What viscosity range you using?

2. Same oil viscosity entire life including with SC?
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Old 07-25-2017, 03:06 AM   #6
Bo White


 
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Yes. 5W30
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Retired wanna be cylinder head porter
2015 2SS 1LE Clutch reservoir, Vararam DRX, ported TB, TSP 2" headers, MGW shifter, stage 4 cam and Wilkes 11° 65cc heads
Totalled:
2010 1SS Wilkes Performance/Eagle 416 shortblock, TSP custom valvetrain, PRC 260 heads, Edelbrock Pro Flo 102, th400 swap, 8" PTC 5500 stall= 535/435 at the wheels tuned Gen 3 Performance and Dyno 10.97 @ 124 full weight in 3100 DA CamaroFest X
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