Technical > Dan Dishon's Transmission Den

High low valvebody

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dusterdave173:
When first running may car I tried high gear leave vs. low gear  --Car runs steady 5.60 with low gear and steady 6.0 with high gear launch  amazing how consistent it does  High gear leave is boring in my car though   
I think if I was going to let a friend try my car the high gear leave would be the trick for letting them get a pass in an FED without any drama--it calms the entire deal right down

bikeguy307:
That is very good info to have. Thanks for the update.

wideopen231:

--- Quote from: BK on October 13, 2016, 09:45:47 AM ---I'm looking to slow my reaction time down about .130. Any ideas as to how much leaving in second might add? Right now the car 60fts 1.20-1.21.
Also is there a way to determine if the brake in the trans is a Pro Tree or Full Tree?
[/quot

I believe Greg at FTI said he had to dial .04 out of box  to get light to be close to low gear leave.FTI now sells a hi/low billet valve body I think price is about 500 bucks.Its on my to get later list which is growing everyday.
--- End quote ---

racerken:
BK I think Pro brake requires you to engage the trans brake button to back up.  Sportsman brake you can back up normally in reverse without engaging the trans brake button.

bikeguy307:
In most cases that is correct. Most pro brakes require the solenoid to be applied to engage reverse, most standard brakes dont.

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