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Topic Review (Newest First)
07-22-2009 11:51 PM
daveyboy
Quote:
Originally Posted by mbsvtfocus03 View Post
drag racing is an art and a lot goes into it when doing it lol
Amen to that
07-22-2009 06:31 PM
mbsvtfocus03 when i go to the track, i lower my front tire pressure to 23 psi and inflate the rears to 40 psi. i launch at 4,000 rpm by dumping the clutch and seem to run consistent every run....lowering the tire pressure helped a lot with traction when lauching....i have had no problems with the clutch slipping unless i totally screw up the launch. drag racing is an art and a lot goes into it when doing it lol
04-21-2009 10:57 AM
SVOrange No no, trust me I know what traction control bog is, the engine is neither retarding nor am I dealing with abs. Take your focus out and dump the clutch at 1000 rpm and see if you wheel peel or bog. Same concept. At the track 2k side step in the drag launch area it sticks way too much and wont spin thus bogging. I did a before and after tune on the street and I got the TC bog before and peel after. Its off, I just suck at driving with a worn clutch!
04-21-2009 07:15 AM
hatchesrock1989 yeah agreed ^^ tc could still be on
04-21-2009 05:26 AM
03OrangeSVT If you're getting the "Bog" then your TC is NOT fully disengaged.
04-21-2009 04:18 AM
SVOrange Got the tune last week which is why I went track side, just need that clutch!
04-21-2009 01:18 AM
focusmaniaczx3 well actually in the 1/8th my old SVT ran 10 flat best time bone stock with around 2.2 60ft. with a few basic bolt ons (CAI, exhaust, and 100 octane tune) i got sub 10 second 1/8th. i wish i would have bought the car back when i wrecked it now so i could have used it as a donor car for my zx3 but hey! what can ya do? my zx3 would be a REAL beast by now if i hadnt had to start over with a slower car lol. getcha a good tune from tom and a new clutch job and you will be very very happy, i promise you that!
04-20-2009 08:00 PM
SVOrange
Quote:
Originally Posted by B3NN3TT View Post
I have found that in cars like these, making less than 200 horsepower, feathering the clutch is a huge waste of time. A nice quick clutch dump (I don't like to side-step) gets your power down best, obviously, and with the least amount of damage.

The SCIENCE of it is finding the perfect launch RPM. If you launch at too high an RPM, you get too much wheelspin, or worse, wheel hop. Too low, and it bogs. You want to split the difference between bogging and spinning. It sometimes takes a few runs to figure out where the "sweet pot" is for launch. And it's different for every track.
I agree and normally that is what I would be doing. Unfortunately when I tried to do that the clutch just spun 2k launch with VERY LIGHT feathering wasnt working. Pissed me off to say the least and this is why I think my times suffered. New clutch and I wouldnt side step. To be honest, the third run is the only one I did side step, the fourth I did just dump it but that led to clutch spin again. All well, looks like I was average with a horrible clutch and will be above average with a functional clutch.
04-20-2009 07:17 PM
focusmaniaczx3
Quote:
Originally Posted by 1turbofocus View Post
I trick I use to do is hold the ebrake on hard why slipping the clutch then release both at the same time , this loads the car and takes the shock out that causes the most damage to things but is rough on the clutch if done for long times , I would do it when i saw all stage lights

Tom
oh Tom you really are a mad scientist. im so trying that next time i go to the track.
04-20-2009 06:54 PM
B3NN3TT I have found that in cars like these, making less than 200 horsepower, feathering the clutch is a huge waste of time. A nice quick clutch dump (I don't like to side-step) gets your power down best, obviously, and with the least amount of damage.

The SCIENCE of it is finding the perfect launch RPM. If you launch at too high an RPM, you get too much wheelspin, or worse, wheel hop. Too low, and it bogs. You want to split the difference between bogging and spinning. It sometimes takes a few runs to figure out where the "sweet pot" is for launch. And it's different for every track.
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