Help with strange adjustables. UPDATED 10/18
#24
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Before you change too much do your burnout in 2nd gear and pull it out of the waterbox while spinning. You might have stopped your burnout while still in the burnout box. Looks to me that you launched with wet tires.
#26
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Here is some interesting data for you ... I was in your position not long ago and am still dialing in. Check out some of these posts ... I just finished my 3rd test & tune last Friday ... 1.933 first test & tune and down to a 1.668 last Friday.
https://ls1tech.com/forums/drag-raci...s-103-mph.html
https://ls1tech.com/forums/drag-raci...d-threads.html
A few tips ...
.... your 2-Step is waaay low. I started low too and am up to 4,500 and will increase next time out to 5,000.
... work on your burnout. Do a quick spin rolling through the water to get the tire wet all the way around, but not so much that you soak your fender wells (that water will drop back on the track or your tires at the line). Do your burnout in front of the water box from second gear, haze the tires and roll-out part way. DON'T roll out and let your tires hook ... this will tear up a stock T-56 ... push your clutch in before the tires hook.
... as others have said, make your changes one at a time and take notes.
https://ls1tech.com/forums/drag-raci...s-103-mph.html
https://ls1tech.com/forums/drag-raci...d-threads.html
A few tips ...
.... your 2-Step is waaay low. I started low too and am up to 4,500 and will increase next time out to 5,000.
... work on your burnout. Do a quick spin rolling through the water to get the tire wet all the way around, but not so much that you soak your fender wells (that water will drop back on the track or your tires at the line). Do your burnout in front of the water box from second gear, haze the tires and roll-out part way. DON'T roll out and let your tires hook ... this will tear up a stock T-56 ... push your clutch in before the tires hook.
... as others have said, make your changes one at a time and take notes.
#27
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Well I had the 2step up at like 5.5 before and then started dropping it. My main problem is wheel hop. I can feel it starting sometimes in the burnout box even.
I have a line lock in it to so maybe I'm not doing my burnouts right but I usually just sit in the water box smoke em then roll out a little. Before that that I would just hold the brake on my street tires and they hooked about as well as they could I think
I have a line lock in it to so maybe I'm not doing my burnouts right but I usually just sit in the water box smoke em then roll out a little. Before that that I would just hold the brake on my street tires and they hooked about as well as they could I think
#28
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Well I had the 2step up at like 5.5 before and then started dropping it. My main problem is wheel hop. I can feel it starting sometimes in the burnout box even.
I have a line lock in it to so maybe I'm not doing my burnouts right but I usually just sit in the water box smoke em then roll out a little. Before that that I would just hold the brake on my street tires and they hooked about as well as they could I think
I have a line lock in it to so maybe I'm not doing my burnouts right but I usually just sit in the water box smoke em then roll out a little. Before that that I would just hold the brake on my street tires and they hooked about as well as they could I think
You don't want to "power brake" during your burnouts ... you will heat up your brake rotors and affect your slow down at the end of the track not too mention it wears out your brakes. Stick to the line lock for your burn outs.
#30
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Make the suspension adjustments I suggested.....if not you'll tear something up from the wheel hop.
Set the 2 step to 4500-5000, tires at 12psi cold, and do a nice 2nd or 3rd gear burnout - depends on the rear gear ratio of course. I like 3rd - it get them nice and warm quick.
If it works - then it's on. You'll need to find out what tire pressure your combo likes (probably 12-14psi) and start moving the 2 step up.
Good luck and have fun man!
Set the 2 step to 4500-5000, tires at 12psi cold, and do a nice 2nd or 3rd gear burnout - depends on the rear gear ratio of course. I like 3rd - it get them nice and warm quick.
If it works - then it's on. You'll need to find out what tire pressure your combo likes (probably 12-14psi) and start moving the 2 step up.
Good luck and have fun man!
#32
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Make the suspension adjustments I suggested.....if not you'll tear something up from the wheel hop.
Set the 2 step to 4500-5000, tires at 12psi cold, and do a nice 2nd or 3rd gear burnout - depends on the rear gear ratio of course. I like 3rd - it get them nice and warm quick.
If it works - then it's on. You'll need to find out what tire pressure your combo likes (probably 12-14psi) and start moving the 2 step up.
Good luck and have fun man!
Set the 2 step to 4500-5000, tires at 12psi cold, and do a nice 2nd or 3rd gear burnout - depends on the rear gear ratio of course. I like 3rd - it get them nice and warm quick.
If it works - then it's on. You'll need to find out what tire pressure your combo likes (probably 12-14psi) and start moving the 2 step up.
Good luck and have fun man!
We did last time I went because my friend has hpt. What Should I check in the logs?
#33
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As other's have said two step needs to be higher.
I think your problem is you are not hitting the tire hard enough to keep it hooked and thus the wheel hop you are getting.
Set that bitch to 6000rpm see what happens. Don't just pop the clutch either give it a quick release and then try to hold the last bit of release point out a bit so it doesn't bog or catch to hard.
I think your problem is you are not hitting the tire hard enough to keep it hooked and thus the wheel hop you are getting.
Set that bitch to 6000rpm see what happens. Don't just pop the clutch either give it a quick release and then try to hold the last bit of release point out a bit so it doesn't bog or catch to hard.
#34
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Make the suspension adjustments I suggested.....if not you'll tear something up from the wheel hop.
Set the 2 step to 4500-5000, tires at 12psi cold, and do a nice 2nd or 3rd gear burnout - depends on the rear gear ratio of course. I like 3rd - it get them nice and warm quick.
If it works - then it's on. You'll need to find out what tire pressure your combo likes (probably 12-14psi) and start moving the 2 step up.
Good luck and have fun man!
Set the 2 step to 4500-5000, tires at 12psi cold, and do a nice 2nd or 3rd gear burnout - depends on the rear gear ratio of course. I like 3rd - it get them nice and warm quick.
If it works - then it's on. You'll need to find out what tire pressure your combo likes (probably 12-14psi) and start moving the 2 step up.
Good luck and have fun man!
#35
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Well I wish I could be back with a better update but unfortunately not. I believe a spring in the clutch blew out (second monster stage 3 in 2 years)
Only pass I had the tires were at 14 psi (dropped the pressure after I got to the track with a 30 min cool down)
Tq arm on lower hole lcas on second from the bottom. 2step at 5000. The car rolled on the line hitting the 2step (first sign clutch was going)
Only cut a 2.0 60' but I feel I let the clutch out to fast and rolling probably didnt help but I didnt realize it until I saw the video. I will post a vid later but went to shift to third heard a pop and it locked me out
Only pass I had the tires were at 14 psi (dropped the pressure after I got to the track with a 30 min cool down)
Tq arm on lower hole lcas on second from the bottom. 2step at 5000. The car rolled on the line hitting the 2step (first sign clutch was going)
Only cut a 2.0 60' but I feel I let the clutch out to fast and rolling probably didnt help but I didnt realize it until I saw the video. I will post a vid later but went to shift to third heard a pop and it locked me out
#36
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Yeah I am definitely going with something different this time around. First clutch had 900 miles on it no track passes before it broke. This one has probably 1500 and 15 track passes.
#38
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Yeah who knows maybe im just unlucky with em lol.
The changes though seem to have reduced the wheel hop quite a bit though. I left my camera in my car so whenever I get back to it later tonight I will post the vid.
The changes though seem to have reduced the wheel hop quite a bit though. I left my camera in my car so whenever I get back to it later tonight I will post the vid.
#39
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Hey guys just to update everyone. It turns out that my input shaft was bent. Most likely damage from shipping. Got everything fixed and went to the track last night.
It was finally hooking up! I got rid of my lightweight flywheel for a steel one and I think that made all of the difference! I am still bogging down off the line though even at 6100. I need a retune. My a/f is way off. I fixed some vacuum leaks and had my 102 ported. When I'm leaving at the power my car should be making ill be in business!
First pass 2step @ 5100 rpm 1.86 60'
Second pass I didnt get a vid. 2step @ 5600 1.78 60'
Third pass 2step @ 6100 1.72 60'
https://www.youtube.com/watch?v=CTA1...e_gdata_player
It was finally hooking up! I got rid of my lightweight flywheel for a steel one and I think that made all of the difference! I am still bogging down off the line though even at 6100. I need a retune. My a/f is way off. I fixed some vacuum leaks and had my 102 ported. When I'm leaving at the power my car should be making ill be in business!
First pass 2step @ 5100 rpm 1.86 60'
Second pass I didnt get a vid. 2step @ 5600 1.78 60'
Third pass 2step @ 6100 1.72 60'
https://www.youtube.com/watch?v=CTA1...e_gdata_player