1.5@60ft secrets?
#1
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1.5@60ft secrets?
Guys, What are your secret to hit 1.5xx @60ft?
- Good balancing: 70/30?
- Traction Bar :
- D2 Drag Coilover?
- Bushes and arms?
- M&H or M/T tires 24,5'' or 26''
No need Front strut Tower bar or Sways bars
Thank you for your help and set up
- Good balancing: 70/30?
- Traction Bar :
- D2 Drag Coilover?
- Bushes and arms?
- M&H or M/T tires 24,5'' or 26''
No need Front strut Tower bar or Sways bars
Thank you for your help and set up
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Re: 1.5@60ft secrets?
Traction bars
At least energy suspension quality bushings
Corner balance
Alignment
24.5x9.5x13 on a 13x10 wheel
That has yielded many 1.5 60's for us
At least energy suspension quality bushings
Corner balance
Alignment
24.5x9.5x13 on a 13x10 wheel
That has yielded many 1.5 60's for us
#5
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Re: 1.5@60ft secrets?
Good quality spherical bearings are a good idea. Nearly all of my customers have run 1.5 60' times with one at 1.48 and another at 1.51 first time out with no traction bars. But as with anything, bolting on parts alone won't get you there obviously. I would stay stock before I ran ES or Chinese crap. But to each his own.
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Re: 1.5@60ft secrets?
I'm sure there is some correlation of 1/4 mile time and 60' time. I can't imagine any 14 second cars are hitting 1.5 60's. What kind of times do you have to be running to have 1.5 seconds as a goal?
I have always been a street racer and just recently had my first trip to the track on slicks. I built an EF hatch with a turbo vitara D. Very first run was 12.5 @ 107 with a 1.7 60' on 23" M&H slicks. This was a low boost test since the car hadn't been driven at all other than a quick and dirty street tune. My traction bar broke so I didn't get to work on technique or start cranking boost. So, I guess my question is, at that power level, is there anything to improve in the 60'? If there is, then ill work on that before adding more power.
I have always been a street racer and just recently had my first trip to the track on slicks. I built an EF hatch with a turbo vitara D. Very first run was 12.5 @ 107 with a 1.7 60' on 23" M&H slicks. This was a low boost test since the car hadn't been driven at all other than a quick and dirty street tune. My traction bar broke so I didn't get to work on technique or start cranking boost. So, I guess my question is, at that power level, is there anything to improve in the 60'? If there is, then ill work on that before adding more power.
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Re: 1.5@60ft secrets?
You dont need traction bars to get 1.5's, its a proven thing. Yes they apparently help a bit but are not completely necessary.
Ive pulled 1.58 60's on my 92 SE-R, no traction bars, ES bushings on the control arms, good alignment, 24.5X9X13 mt's set to 6.5 psi cold, dialed in 2 step launch control, preload like hell, and ksport street spec coilovers preloaded in the rear, full stiff on the dampening.
Thats about it, its a mater of dialing in the car and what works best.
And yeah it would be hard for a 14 second car to pull 1.5 60's. lol. 1.7-1.8's are typical in that power range. It still takes a good chunk of hp to get 1.5 60's. Id say anything with 450whp turbocharged and 250whp n/a has the ability to pull 1.5 60's
Ive pulled 1.58 60's on my 92 SE-R, no traction bars, ES bushings on the control arms, good alignment, 24.5X9X13 mt's set to 6.5 psi cold, dialed in 2 step launch control, preload like hell, and ksport street spec coilovers preloaded in the rear, full stiff on the dampening.
Thats about it, its a mater of dialing in the car and what works best.
And yeah it would be hard for a 14 second car to pull 1.5 60's. lol. 1.7-1.8's are typical in that power range. It still takes a good chunk of hp to get 1.5 60's. Id say anything with 450whp turbocharged and 250whp n/a has the ability to pull 1.5 60's
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Re: 1.5@60ft secrets?
I'm damn happy then at 270-ish whp to hit 1.7's. it felt like a really solid pull, but didn't have anything to compare it to since I have always street races on street tires. Planning to go back soon in the 370-400whp range and see how close I can get to 10's.
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Re: 1.5@60ft secrets?
My car is 96 EK hatch 63/37 balance and weighs 2460.
Stock bushings
Avid traction bars
Skunk 2 pro s 2 front 8k rear 18k
M&H 25/8.7/13 rim 13X10
I was stuck doing high 1.6's for years. Things I changed to get 1.5's
Old way of launching the car.
Rpm 7000
Boost 6/7psi.
Tire psi. 5 3/4 (before burn out)
Best 60ft doing this was 1.648
New way.
Rpm 7900
Boost 0/1psi
Tire psi 6 5/8 (before burn out)
Beat 60ft 1.544 worst 1.574 Out of the 9 passes I made this way before the end of our year!
Stock bushings
Avid traction bars
Skunk 2 pro s 2 front 8k rear 18k
M&H 25/8.7/13 rim 13X10
I was stuck doing high 1.6's for years. Things I changed to get 1.5's
Old way of launching the car.
Rpm 7000
Boost 6/7psi.
Tire psi. 5 3/4 (before burn out)
Best 60ft doing this was 1.648
New way.
Rpm 7900
Boost 0/1psi
Tire psi 6 5/8 (before burn out)
Beat 60ft 1.544 worst 1.574 Out of the 9 passes I made this way before the end of our year!
#13
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Re: 1.5@60ft secrets?
P.S. Just talking about the DC/EG chassis here. On front radius rod cars like EF/DA/BB4/BB6 etc I think replacing the OEM radius rod setup with a traction bar using high quality rod ends is a no brainer.
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Re: 1.5@60ft secrets?
Anybody can rebuttel or contradict my statements.
#15
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Re: 1.5@60ft secrets?
1.53 at WCF. Stock trans, stock axles, open diff. Full race traction bar, all new bushings in the front suspension, 24.5x9 on a 9in wheel rim screwed, aligned by eye, no corner balance. NLR AMS 1000 for boost control. Suspension is koni yellows with 1000lb springs rear and 800lb springs front
#18
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Re: 1.5@60ft secrets?
i pulled 1.56's all day not the best but decent. 24.5's
full race traction bar and a mix of progressive spherical bearings. on the new setup it I wont be running a traction bar and Im using the Kingpin bushings. They work. Its sorta expensive, but i can use the room where that traction bar is for something else.
full race traction bar and a mix of progressive spherical bearings. on the new setup it I wont be running a traction bar and Im using the Kingpin bushings. They work. Its sorta expensive, but i can use the room where that traction bar is for something else.
#19
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Re: 1.5@60ft secrets?
1.53 at WCF. Stock trans, stock axles, open diff. Full race traction bar, all new bushings in the front suspension, 24.5x9 on a 9in wheel rim screwed, aligned by eye, no corner balance. NLR AMS 1000 for boost control. Suspension is koni yellows with 1000lb springs rear and 800lb springs front
#21
Re: 1.5@60ft secrets?
It really comes down to how well the car is set up.... you can have all the power in the world but if you can put it to the ground then its a wasted effort. I havent really done any 60ft testing but from my runs that i have made the avg on new slicks is like a 1.55
70/30
traction bars
energy sus in front
M/T 13x9x24.5 10" wide rim
lauch at around 6500
boost is like 15psi at launch
preload clutch
sus - damper is stiff in rear , med in the front . the preload on springs is the same as the damping.
At the time the car weighed 2400lbs with driver.
70/30
traction bars
energy sus in front
M/T 13x9x24.5 10" wide rim
lauch at around 6500
boost is like 15psi at launch
preload clutch
sus - damper is stiff in rear , med in the front . the preload on springs is the same as the damping.
At the time the car weighed 2400lbs with driver.
#22
Re: 1.5@60ft secrets?
I have had success with slipping the clutch. And its really not about power. I've cut 1.5s with 147whp. New slicks helps a lot. Not to mention the chassis being dialed.
Last edited by welfarepc; 11-11-2015 at 10:47 AM.
#25
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Re: 1.5@60ft secrets?
This is a small tire ef chassis we have a flow control valve but that's it as far as clutch slipping. I wouldnt want to buy clutches all the time.