Cylinder walls
08-18-2005, 10:54 PM
#1
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Cylinder walls
Are our cylinder walls suppose to be smooth? The car is an 86 na and I just got the head off (crazy eazy compared to my e30 bmw) and I see no crosshatch marks, the walls are almost white. I ran a compression test before I bought the car about a month ago and I got 180 psi across all 4 cylinders. This normal?
08-18-2005, 11:07 PM
#4
Race Car
alusil makes the cylinder walls very smooth and "glass like"
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08-19-2005, 11:38 AM
#8
Race Director
Hey that is right taking off the belt covers is one of the few real power gainers.
That is why I don't run them on my 944-spec. May also have been why you lost it on the wet roads with all that extra power.
Gotta respect the NA without belt covers. Might even be able to take a 951.
That is why I don't run them on my 944-spec. May also have been why you lost it on the wet roads with all that extra power.
Gotta respect the NA without belt covers. Might even be able to take a 951.
08-19-2005, 12:10 PM
#10
Race Director
Originally Posted by Porschephile 924
the other day, my 924S took a 951 on the track...and it had the belt covers! 
Or the other guy sucked.
Did I tell you about the time in during a race when a race prepared viper was holding me up in my 944-spec? Then got around him and drove away? No belt cover baby.
08-19-2005, 12:13 PM
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Originally Posted by M758
Or the other guy sucked.
08-19-2005, 12:17 PM
#13
Race Director
Originally Posted by Porschephile 924
Well, he's my friend, so I hate to say you're right... it was his first time on the track, and someone told him that 22 PSI in the tires is correct... well, obviously, it's not... so he was sliding everywhere, I start half a lap behind him, and by the time he got off, I was beginning the straight as he was ending it...
It does not count unless you could actualy get by dude or at LEAST get point by. I remember catching and getting point by from C5 Vette on hoosiers at one of my last DE's before I started to race. Never passed him though as he gave me the point by just getting on to the 5/8 mile straight. I just laughed as he failed to back off one bit.
08-19-2005, 06:04 PM
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Hey, I didn't pass him because he got of the track before I had a chance to... I woulda, but yeah... did I mention I got that close to him within 4 laps?
