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I highly recommend the Mark 9. We use it on a promod and see a two pound boost increase from the end of a eighth mile to the end of a quarter mile...
Yes. 130 to 119
This is statistics as the government does it. It depends on which blower speed is the reference.
Either way will get you close but one closer than the other. If you know your now GPM per pound of boost before the change then you don't have to...
I don't think you can work it that way using percentages in the formula. I know people do it but it is not correct and not representative of the...
You have to work actual blower RPM difference and not percentage of OD difference. Are you trying to figure the percentage change of the...
I forgot about the Gorr system and agree with Brandon on that. Another great candidate.
We use the Hartman pneumatic valves and have never had a problem. I know of another car that uses the Leahy pneumatic valves without a problem....
You dont. You get a 6.25% change
I show you would make 6.25% more boost which is 1.875 lbs increase. If you compute that you are using approx .36 GPM per one pound of boost right...
Not too many racers on this website do that kind of racing. Most of us are just pure methanol or nitro. You might have better luck on a...
Jeff the Victory valves are great and I highly recommend them
On a lot of valve springs one end of the outer spring is beveled for this purpose. Do you have that beveled outer radius on one end and is that...
Are you using the same fuel setup and bypasses on the screw as you did on the Roots or did you switch to a screw fuel setup? Have you modified the...
Blownfever, here is something to check. Correct me if I have read anything wrong....You say your idle fuel pressure is 20 psi measured at the...
Where are you reading the fuel pressure at idle?
Blownfever, what is your fuel pressure at idle?
Just to make sure....is this a CS-1 or CS-2 transmission? In a CS-2 there are two diameter shafts available.
Not being compatible with methanol would indicate that something other than brass or stainless steel is used in the areas that contact the fuel.
I totally agree with Will. (That will amaze you guys)
