Quote:
Originally Posted by jessrayo
I've been a little slow on posting all of the results of my build. I have put about 3500 miles on the car with the turbos and really like the way the car performs. I have a pair of Borg Warner EFR 7163's with the .85 A/R V band housing. The car has a methanol injection system spraying two nozzles directly into the intercooler when boost is above 6 psi.
Dyno graph is pretty self explanatory. 3 runs, bottom was totally stock. Middle was max power we could get with totally stock fuel system. Top graph is max power with tank fuel pump upgrade. Power is still limited by fuel pressure to the injectors and will need the secondary camshaft pump upgrade to make more power.
It drives so well now that I may not make the additional cam pump upgrade. Right now on the stock tires with the traction control on I can just hammer it and as long as the road is dry it is stupid fast but controllable. No wheel spin with 60-70 mph roll-ons and the fishtailing from a dead stop is pretty minor with the traction control in stock setting. It is a fast but driveable street car.
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Congrats, those are amazing numbers considering GM says the high pressure fuel system is limited to 650 lb ft torque at the crank.
I think I would do the LT4 High pressure pump and injectors for sure no matter what.
Have you had a chance to run it at the 1/4 mile?
I love my 16 with the Maggie it can be pretty violent when you want it
