Quote:
Originally Posted by cody
Time to update your mods list linked in your sig. 
How'd you like the Cobb Stage II motor? |
Woops. updated.
The cobb block was good. I got about 60K miles on it. It was noisy from day one but ran great and didn't burn excessive oil. It started eating oil bad (1 qt/500 miles) after about 50K miles. Consumption had worsened to 1 qt/200 miles by 60K. Compression was low but even. I suspect oil rings are toast. No smoke from oil fill. Exhaust smoked from hard accelleration. Didn't smoke on boost alone with artificial load via brakes. I thought it might be the stock turbo (I was near 100K miles and a 19psi tune) so that got upgraded
. Still smoked so I pulled the motor and took my time gathering parts and started assembling. New block is quieter than the cobb. My cobb block was louder than other cobb blocks. If they still made them I would have gone with them again.
50K seems to be the limit for built blocks with few making it that far.
If I have to build another one I'll adjust my goals towards longevity. Perhaps longer skirts and tighter than 'normal' P/W clearances.