Quote:
Originally Posted by Spooler
Houston, we have a problem. The tuning was going well last Friday at 10-11psi of boost. Making in the 550hp range. He then started to turn up the boost and the motor didn't respond. Turned it up 5psi of boost and it only made 5 more hp. So, Carl stopped and pulled the car off the dyno. They will be doing a bunch of double checks on the timing today. I hope they find the issue. Building and modifying cars is not always peaches and creme. SNAFU, it is my car. This is par for the coarse. I may not make it to Zdayz with it. No worries, plan B will be implemented. Not real happy at the moment but sheit happens.
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Mine made about 500 whp (don't have the exact number) on 11 ~ 13 lbs of boost on pump gas with the Borg Warner 71/63's
Again, sorry I don't have the exact numbers - Daelen had relayed this info to me from his recollection of a conversation with Carl when he was doing the pump gas Tune.
Daelen also told me that they stop increasing the boost when it makes less than 10 whp per 1 lb of boost increase.
The law of diminishing returns --- no significant performance gain but the risk to the motor significantly increases.
I'm still dialing in the car (and my driving skills) on pump gas before I go E85.