What's your best 60" foot with ET Streets ?
09-27-04, 08:36 PM
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What's your best 60" foot with ET Streets ?
For those that are running ET Streets, what has been your best 60 foot? What rpm did you drop at? What Size turbo?
I bolted a set on my car this evening so we'll see what happens tommorow at the track. My traps will most likely be around 123-124 so if I can cut a 1.5 something then it should get interesting. My best short time yet was a 1.74 and that was with my 17 inch work meisters and nitto 555R's.
I bolted a set on my car this evening so we'll see what happens tommorow at the track. My traps will most likely be around 123-124 so if I can cut a 1.5 something then it should get interesting. My best short time yet was a 1.74 and that was with my 17 inch work meisters and nitto 555R's.
09-27-04, 08:56 PM
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i got 1.70 with old M&H's launching off the rev limiter with a monster burnout. et streets you can do 1.5x with right suspension settings and air in the tires.....
09-27-04, 09:38 PM
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Originally Posted by lane_change
Shouldn't you be trapping quite a bit higher than 123? I mean, Chris trapped at 118 with his 347rwhp FD....and you have 10x more **** than him. What is your gear ratio with that 8.8"?
09-27-04, 09:39 PM
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Originally Posted by c00lduke
Wont your times be much different with the solid rear axel compared to stock/modified IRS?
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09-27-04, 10:00 PM
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How much mph are you guys picking up between the 1/8 and 1/4?
I'm picking up like 31-32mph but only trapping like 123-124 and getting only 93mph in the 1/8, I think I'm screwing up my shifting down low. I need to be quicker to the shift instead of shifting at 8500.
I'm picking up like 31-32mph but only trapping like 123-124 and getting only 93mph in the 1/8, I think I'm screwing up my shifting down low. I need to be quicker to the shift instead of shifting at 8500.
Last edited by Gargamel; 09-27-04 at 10:09 PM.
09-27-04, 10:13 PM
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Originally Posted by fastrx7man
The most I have picked up is 29.5mph. Typically it has been around 28mph.
09-27-04, 10:22 PM
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Originally Posted by vosko
the problem with speed shifting is you will break something....
See what I'm saying?
09-28-04, 01:17 AM
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how safe is it to launch at 6000+ rpm on et's? softer tires take the impact but it seems like a violent launch. i've yet to try mine out, still working out some bugs.
09-28-04, 06:58 AM
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i'm considering some et streets as well. i've cut a 1.66 on 245/50/16 nitto drags, and i know boostd7 has cut 1.5's with his nittos.
you might also look into the new et street drag radials. i read a write-up in hotrod where they compared them to the original et streets and they were actually getting slightly lower 60ft times out of the drag radials versions. they're also tubeless and have a slight wrinkle effect to them
also, i trap 97mph in the 1/8th with 439whp and crappy shifting. thought maybe it'd give ya some more numbers to crunch.
you might also look into the new et street drag radials. i read a write-up in hotrod where they compared them to the original et streets and they were actually getting slightly lower 60ft times out of the drag radials versions. they're also tubeless and have a slight wrinkle effect to them
also, i trap 97mph in the 1/8th with 439whp and crappy shifting. thought maybe it'd give ya some more numbers to crunch.
09-28-04, 10:07 AM
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Originally Posted by racerfoo
how safe is it to launch at 6000+ rpm on et's? softer tires take the impact but it seems like a violent launch. i've yet to try mine out, still working out some bugs.
09-28-04, 10:10 AM
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Originally Posted by spoolin93r1
i'm considering some et streets as well. i've cut a 1.66 on 245/50/16 nitto drags, and i know boostd7 has cut 1.5's with his nittos.
you might also look into the new et street drag radials. i read a write-up in hotrod where they compared them to the original et streets and they were actually getting slightly lower 60ft times out of the drag radials versions. they're also tubeless and have a slight wrinkle effect to them
also, i trap 97mph in the 1/8th with 439whp and crappy shifting. thought maybe it'd give ya some more numbers to crunch.
you might also look into the new et street drag radials. i read a write-up in hotrod where they compared them to the original et streets and they were actually getting slightly lower 60ft times out of the drag radials versions. they're also tubeless and have a slight wrinkle effect to them
also, i trap 97mph in the 1/8th with 439whp and crappy shifting. thought maybe it'd give ya some more numbers to crunch.
What RPM are you shifting out of 1st and 2nd gear? Also, what port do you have?
09-28-04, 03:16 PM
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i usually try to shift as close to 8k as possible. my car peaks hp at 7000, but falls off around 7500. i'm afraid if i shift any lower it might fall out of an appropriate rpm range for the turbo to come back into boost. i have an atkins extreme street port. not sure how big it is, but jason at the rx7store said that it appeared to be pretty big from the vacuum and the sound it makes
09-28-04, 06:14 PM
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>i'm considering some et streets as well. i've cut a 1.66 on 245/50/16 nitto drags, and i know boostd7 has cut 1.5's with his nittos. <
Yep, ET streets are very nice and soft on the drivetrain....my best on them was a 1.49 60ft running the 10.9 on stock non-seq turbos.
I launch @ 7krpm w/ ETs.
And I've also menaged 1.528 and 1.59 60fts on Nittos on a well prepped track.
My 1/8th to 1/4 mile gain will vary from 25-30mph depending on shift points but I average mostly ~28mph.
>I'm picking up like 31-32mph but only trapping like 123-124 and getting only 93mph in the 1/8, I think I'm screwing up my shifting down low. I need to be quicker to the shift instead of shifting at 8500.<
Gargamel.....8500rpm with stock ports !!!!!! here's your problem. You're in 4th before 1/8th.......also spinning in 1st and 2nd gear.
1->2nd gear= 8krpm
2->3rd gear= 7500-8000krpm
3->4th gear= 7500 rpm
Yep, ET streets are very nice and soft on the drivetrain....my best on them was a 1.49 60ft running the 10.9 on stock non-seq turbos.
I launch @ 7krpm w/ ETs.
And I've also menaged 1.528 and 1.59 60fts on Nittos on a well prepped track.
My 1/8th to 1/4 mile gain will vary from 25-30mph depending on shift points but I average mostly ~28mph.
>I'm picking up like 31-32mph but only trapping like 123-124 and getting only 93mph in the 1/8, I think I'm screwing up my shifting down low. I need to be quicker to the shift instead of shifting at 8500.<
Gargamel.....8500rpm with stock ports !!!!!! here's your problem. You're in 4th before 1/8th.......also spinning in 1st and 2nd gear.
1->2nd gear= 8krpm
2->3rd gear= 7500-8000krpm
3->4th gear= 7500 rpm
09-28-04, 10:18 PM
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Originally Posted by Boostn7
>i'm considering some et streets as well. i've cut a 1.66 on 245/50/16 nitto drags, and i know boostd7 has cut 1.5's with his nittos. <
Yep, ET streets are very nice and soft on the drivetrain....my best on them was a 1.49 60ft running the 10.9 on stock non-seq turbos.
I launch @ 7krpm w/ ETs.
And I've also menaged 1.528 and 1.59 60fts on Nittos on a well prepped track.
My 1/8th to 1/4 mile gain will vary from 25-30mph depending on shift points but I average mostly ~28mph.
>I'm picking up like 31-32mph but only trapping like 123-124 and getting only 93mph in the 1/8, I think I'm screwing up my shifting down low. I need to be quicker to the shift instead of shifting at 8500.<
Gargamel.....8500rpm with stock ports !!!!!! here's your problem. You're in 4th before 1/8th.......also spinning in 1st and 2nd gear.
1->2nd gear= 8krpm
2->3rd gear= 7500-8000krpm
3->4th gear= 7500 rpm
Yep, ET streets are very nice and soft on the drivetrain....my best on them was a 1.49 60ft running the 10.9 on stock non-seq turbos.
I launch @ 7krpm w/ ETs.
And I've also menaged 1.528 and 1.59 60fts on Nittos on a well prepped track.
My 1/8th to 1/4 mile gain will vary from 25-30mph depending on shift points but I average mostly ~28mph.
>I'm picking up like 31-32mph but only trapping like 123-124 and getting only 93mph in the 1/8, I think I'm screwing up my shifting down low. I need to be quicker to the shift instead of shifting at 8500.<
Gargamel.....8500rpm with stock ports !!!!!! here's your problem. You're in 4th before 1/8th.......also spinning in 1st and 2nd gear.
1->2nd gear= 8krpm
2->3rd gear= 7500-8000krpm
3->4th gear= 7500 rpm
When launching, are you holding your rev at 7k and then dropping the clutch or are you holding it at 7k, then dropping the clutch while you hammer the throttle? You aren't bouncing it off the rev limiter are you?
