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Dave, just to be clear. We are talking percentage of total area of the hat and blower jets versus total area of the port jets.
Dave, you are an exception to what everyone else has found. The larger hat and blower jets supply the necessary fuel to cool the incoming air...
You can do that easier with a leakdown tester and a plastic tube to listen to each port. If you have the motor together and you do a leakdown and...
Are you talking about doing a vacuum pull on the intake port and the exhaust port because they make a tool to do that.
You had better have zero percent leakdown on the heads or you have problems.
Rob, the best people to answer that question is the rod manufacturer. My guess is IF the rod is the same physical outside diamension regardless of...
There is no optimum hat to port ratio that I have found. There is a point that adding more fuel will NOT cool down the incoming air charge...
Been reading up on things. Strange does not recommend DOT 5 fluid but does recommend DOT 5.1 and DOT 4. They say that DOT 5 does not mix with...
There is zero evidence that a MSD 8973 has ever gone haywire. Will Hanna had it setup wrong and took it off before anyone could help him. Will...
My guess it is that the new brake pads are not seated on the new rotors so you don't have much braking or something else is wrong like air in the...
Nope you can transfer ownership of Jetsize. Just call sean at Davenports and tell him.
I don't believe the 7531 has a lot more features than a 8973 with a ProMag. If you have a 7531 available then use it.
These "horror stories" about the 8973 are myths or people using a crank trigger without a shielded cable or just racers not understanding the...
Thats OK Eli.:D
Eli, ya need to read my statement more closely. I am not talking about the internal .040 jet. I am talking about if you make an adapter to fit in...
I would say somewhere between 78 and 83% if the blade clearance is set right to idle at 2000 rpm. You should adjust the BV for off idle crispness...
Get a complete driveshaft built by Mark Williams. You will not go wrong. They will also tell you what material to use. I would think you would...
To test the gauge make a fitting that has a 80 bypass jet in it and do a leakdown test through it. It should read 80% leakdown.
They are the same.
Thanks Les. I knew somebody had to have done it.