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03 Z06
ET Street 26x11.50x16
Performance Mods: kooks Lt's, Off road X, VR Ramair, Monster Stage2, RPM Lv5, Tuned & 3.73
Which catagory Bolton
60'...............1.85
330'.............5.27
660'.............7.99
660’ mph.....91.40
1000'..........10.33
1320'..........12.29
1320’ mph…115.45
Great Lake Dragway Union Grove, WI Elev 761 ft temp 54 degrees DA unknown date 4/16/15
1st time I tacked the car having problems doing a good burnout to heat the tires launches was made around 3000rpm's fast slip, only made 3 passes this pass i was spinning off the line and in 2nd too a little, confident there's a 11 second pass just need more seat time
pay no attention to the reaction time no one was next to me to I took my time
^^^^ Congrats. that there is an 11 second pass in there. Those tires are more than capable to put down a much better 60' on a well prepped track. Keep us posted.
^^^^ Congrats. that there is an 11 second pass in there. Those tires are more than capable to put down a much better 60' on a well prepped track. Keep us posted.
thanks!
I'm going to try and get back soon if I do i'll update you
First off, I'd like to thank Gary, Robz and many others for specific help to me, and their general knowledge contribution to the forum. It's been a great resource...
Next, I deliberated ET Streets vs Hoosier DR's for a good bit, and was dead set on ET Streets, but happened to get a great direct from Hoosier ($138/tire), so I figured the money savings would at least get me more seat time on the track
I started with my 60' right at 2.0 at the beginning of the day. Wasn't do near enough burnout and had the tire pressure high. As I made more passes I lowered the pressure from ~ 22psi hot to 16psi hot with a 4000 rpm launch, which ended up going up to 45-4800 the last two passes.
It hooked like all hell the last two passes. Even flipped the passenger floor mat over (I've never been in a car that pulled a 60' that low so it's pretty awesome and violent!) but shook the battery loose and cut power. Thought I had it tied up but it did it again the last pass so I decided I'd had my share of attempts in the hot weather...
I can't wait to go for broke next time out and try to break in to the top ten on the fast list. I'm gonna wait until better weather to go again, and will try to start where I left off, at roughly 16-18 psi, 4500 rpm, and a similar clutch release. It took me 11 or 12 passes before I got the fast time...
I really wish someone was with me to take some vids... Next time for sure! One guy said it "looked" like the Hoosiers were wrinkling some.
Great pass Derek. Congrats.
I assume the skinnies are working out well.
Oh yeah It makes sense logically, but it's still quite astonishing how much less resistance you feel when even cruising through a parking lot with them on.
What psi are you guys running those at btw? They say 35psi max on them but there's no way... I had them up in the 40-45 range I believe?? And they still looked like they could use a little more air honestly.
Originally Posted by Stroker87
that an awesome pass! what was you shifting at?
I know I can do better just need seat time, need to figure out the launch to get my 60' lower not sure I can brake the op 10 though LOL
At the end of the day I was following this pretty religiously, but trying to go up with rpm and quicker off the clutch. Unfortunately I never got to find the "too far" end. I was trying to go up a few hundred rpm or a little quicker off the clutch each pass. Ran out of time tho...:
4500-4800rpm launch w/pretty quick let out
2nd at 6500-6600
3rd ~ 6700
4th as close to the rev limiter as possible to overcome the big rpm drop. I tried 4th earlier and it resulted in about the same ET and same mph.
Of 15 passes, 3 were throw aways, 11 were in the 118mph range and one was 119mph.
Oh yeah It makes sense logically, but it's still quite astonishing how much less resistance you feel when even cruising through a parking lot with them on.
What psi are you guys running those at btw? They say 35psi max on them but there's no way... I had them up in the 40-45 range I believe?? And they still looked like they could use a little more air honestly.
At the end of the day I was following this pretty religiously, but trying to go up with rpm and quicker off the clutch. Unfortunately I never got to find the "too far" end. I was trying to go up a few hundred rpm or a little quicker off the clutch each pass. Ran out of time tho...:
4500-4800rpm launch w/pretty quick let out
2nd at 6500-6600
3rd ~ 6700
4th as close to the rev limiter as possible to overcome the big rpm drop. I tried 4th earlier and it resulted in about the same ET and same mph.
Of 15 passes, 3 were throw aways, 11 were in the 118mph range and one was 119mph.
IIRC, between 35 and 40 psi. Did not wish to push it.
4500-4800rpm launch w/pretty quick let out
2nd at 6500-6600
3rd ~ 6700
4th as close to the rev limiter as possible to overcome the big rpm drop. I tried 4th earlier and it resulted in about the same ET and same mph.
Of 15 passes, 3 were throw aways, 11 were in the 118mph range and one was 119mph.
I could not launch that high, the car is fighting me on a burnout as soon as i apply the brake the engine just pulls power (yeah traction off) I've been reading about antipowerhop algorithm but not sure if thats my problem?
when my car was tuned (previous owner) they left the rev limiiter at 6500 i'm going to be doing H/C/I thinking about raising it I guess see what the dyno chart shows
I could not launch that high, the car is fighting me on a burnout as soon as i apply the brake the engine just pulls power (yeah traction off) I've been reading about antipowerhop algorithm but not sure if thats my problem?
when my car was tuned (previous owner) they left the rev limiiter at 6500 i'm going to be doing H/C/I thinking about raising it I guess see what the dyno chart shows
I ended up just pulling the ABS fuse to be sure nothing came on and messed with me. worked great. Put the fuse back in at the end of the day and it was good to go
I ended up just pulling the ABS fuse to be sure nothing came on and messed with me. worked great. Put the fuse back in at the end of the day and it was good to go
Thanks I'll have to try that, I was messing around today and shifting into 2nd the car was pulling power till I got traction
Year of the Z06: 2002
Tires used on the pass: M/T 275/60-15 3754X
Performance Mods (if any). F1X-12R Procharger, Solid RHS LS 427, RPM 9" IRS Conversion, RPM TH400, 25.3 NHRA Cage.
Which category: Power adder, any cubic inch.
60'............. 1.174
330'........... 3.101
660'........... 4.668
660’ mph... 157.12
1000'.......... 6.025
1320'.......... 7.180
1320’ mph… 197.33
Comments: Maryland International Raceway 4/30/2015 NMRA Pro Test Session, Weather Partly sunny/overcast, 65 degrees, DA unkown.
01 c5z resent track day humidity was 75% temps was mid 60's
ET Street 26x11.50x16 bias ply
Performance Mods: TSP Lt's, Off road X, cam, 2.5 PRC cnc'd heads, fast 92mm,VR Ramair, Monster Stage2, RPM Lv5, Tuned & 3.73
Which category Bolton
60'............. 1.875
330'........... 5.058
660'........... 7.686
660’ mph.....94.70
1000'..........9.936
1320'..........11.840
1320’ mph… 118.40
some codes popped up at the track p0171 & p0174 (lean bank 1 & 2) next day found out my fast intake had a crack 2.5" long on the bottom, I repaired it so looking for much better times now hopping for low 11's
1st time at the track with this car made 8 passes 3 of witch was 11.84, 11.85 & 11.86 @118mph i was disappointed till i found out about the crack. i need more seat time to its very hard to slip the monster clutch its more like an on/off switch
01 c5z resent track day humidity was 75% temps was mid 60's
ET Street 26x11.50x16 bias ply
Performance Mods: TSP Lt's, Off road X, cam, 2.5 PRC cnc'd heads, fast 92mm,VR Ramair, Monster Stage2, RPM Lv5, Tuned & 3.73
Which category Bolton
60'............. 1.875
330'........... 5.058
660'........... 7.686
660’ mph.....94.70
1000'..........9.936
1320'..........11.840
1320’ mph… 118.40
some codes popped up at the track p0171 & p0174 (lean bank 1 & 2) next day found out my fast intake had a crack 2.5" long on the bottom, I repaired it so looking for much better times now hopping for low 11's
1st time at the track with this car made 8 passes 3 of witch was 11.84, 11.85 & 11.86 @118mph i was disappointed till i found out about the crack. i need more seat time to its very hard to slip the monster clutch its more like an on/off switch
Very nice pass. Congrats.
Last edited by GARY2004Z06; 08-26-2015 at 07:13 AM.
04-18-2015, 08:39 AM
that there is an 11 second pass in there. Those tires are more than capable to put down a much better 60' on a well prepped track. Keep us posted. 
what was you shifting at? 
