I went off the torsion bar cross member. Thought I read off here that it's the straightest thing under there. Then I bought some round bar stock the size of the spring bolt hole , ran it between both weld in pieces. measured across everything, welded them in and then cut the bar out. finished...
I'm using 10an from back to front then 8an from regulator to carbs .... the fuel rails are 8an also to carb bowls .... pair of 650 DP ...... seems to work very well ... Dan
....just got done with a little over a 100 foot burnout ... no brakes to start about 2/3 gas pedal ... hit the rev limiter right away .... In second gear ..... you will be more than happy with yours .... I am ....
I'll see if there is enough room to put one in the upper hose ...... I already have a 1 1/2" one also or I can just redo the temps in the controller, can also monitor the inlet and outlet temps