Quote:
Originally Posted by DJCarbine
Yeah, I used a smaller belt with their 12psi kit. The gates racing belt included is the same size as supplied by vortech for the stock pulley size.
Just curious, how many PSI did you read at the manifold @ redline?
I get 11.5-11.8, if you were getting lower it might point to the belt slipping due to being too large which caused failure.
What size belt are you running now?
There are several DIYs on replacing vortech seals with part numbers on the net, many people tackle the job themselves who are out of warranty
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12psi kit is... I assume the 2.87"? I hate how people keep saying "psi kit" because psi drastically depends on your vehicle, and your atmospheric conditions.
I dont own a running vehicle at this time. And there is no belt on my car as of current.
When I was running I was running a 962 belt with a 3.125" pulley. I was reading 11.5PSI even @ 7,100-7,200RPM (according to the dyno). I quoted my self below for my boost plot.
When I originally dyno'd I did hit around that from time to time but it was less consistent and depended on how much load I had. Higher gears would see more consistent boost.
Also note this is not reading boost from the omni 3 bar I had, this is reading from the actual dyno which I trust more as my map scaling was off.
Quote:
Originally Posted by nelsmar
I tapped 360whp on the dyno today with a 3.125 pulley and e80 fuel.  . Plot shows hood open vs hood closed.
Stock exhaust. No snorkel. 3.125 pulley. Fa20club flex fuel and tune. Dw65
Pump 540cc injectors. Berk test pipe. |