Drag Racing Discussions > Front Engine Dragsters
Injected FED's launch rpm
gregm784:
I would think it is gonna flash and leave pretty hard if leaving @ 6000
wideopen231:
6000 statement was more of joke. But I did use to leave when I felt motor load against converter in my old nova and had 6000 stall in it.
Said using rpm to adjust for lights.I take it you are not running full tree and top bulbing with delay box. I have SLE hooked up,but don;t like how it goes WOT on second bulb and runs up on 2 step. Working on getting driver where can hit throttle between second and 3rd bulb and maybe tickle 2 step or avoid all together. Hard teaching old dog these new tricks.
gregm784:
We race on a .4 Pro tree. i too have a SLE. When we are both in, my foot goes to the wood, blades crack, to around 5000rpm, and the SLE opens with the brake release.
hemidakota:
Sweet pic Greg, I think I might know the guy in the blue dragster behind you in the staging lanes... Wow I think the hardest part is going to be finding the right air pressure in the 15" wide slicks and not setting the wheelie bar too high. We worked with 14 x 32 slicks for some time and could only run 5 to 5.5 psi in them or it would dead hook and put the wheelie bar to the test. We changed to a 33 x 10.5w M/T with no tubes and shaved like 20 lbs per side and the dragster picked up a bunch in the 60'. It was a 565 BBC injected alky deal. Good luck and most of all have Good Times. Like Greg said the launch rpm effected the RT more than anything and he has way more passes than I have by a long shot.
wideopen231:
15x14x32 slicks might be more than need and as always with tuning time will tell especially the elapsed time. Going off bracket race theory of big tire loose converter equals consistent and that's equals win lights. Believe me tuning for consistent instead of balls to the wall at any parts cost is new deal for me. But if not for challenge and learning new what fun would life be? Plus got to show these bracket guys a race car can different,cool and win races.
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