Not your usual LS1/T56 Bmw
06-10-2011, 09:11 AM
#22
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My .02 as I am about to purchase a t101a to replace my Muncie on my 5.3 I have been a lisc. Road racer for 12+years and built several championship winning cars.
Please don't think I am bashing you.
92mph 1st gear?
Please rethink this.
92mph 1st with a low MOI 3 disc clutch???
That clutch setup will give you absolutely ZERO stored energy to get it moving.
Have you driven a light low MOI clutch?
THEY SUCK. I took it out of my car. We are running for a $4 trophy that outside of the gate no body gives a crap about.
That clutch is great for power once moving, but you will stall it everywhere even with good gearing.
That clutch with good gearing...
You have 2 choices, stall or spin the tires.
That clutch with your gearing...
You will have 2 choices.
Stall or smoke the clutch. Those clutches can NOT take any slip.
Again. Good luck getting that to move.
I hope you never plan on running with an org. that does standing starts. If you do, start on pit road and have the tow truck push you.
My car is the other extreme, I enjoy running around in 3rd in the corners 4th on straight. 2nd in the low speeds corners. That’s what’s nice about a flat tq curve and a v8.
You are running a 4 speed, not a 6speed sequential, not a 2 stroke dirt bike, not a super linear power curved hi strung engine...
You won't need to sound like a sport bike with super close gearing....
Put the dark beer away and turn the F1 off...
Grab yourself a 6 pack of Busch and watch some NASCAR on the road courses...
You will get what I am saying.
FWIW I enjoy dark beer and F1.
Cheers!
Please don't think I am bashing you.
92mph 1st gear?
Please rethink this.
92mph 1st with a low MOI 3 disc clutch???
That clutch setup will give you absolutely ZERO stored energy to get it moving.
Have you driven a light low MOI clutch?
THEY SUCK. I took it out of my car. We are running for a $4 trophy that outside of the gate no body gives a crap about.
That clutch is great for power once moving, but you will stall it everywhere even with good gearing.
That clutch with good gearing...
You have 2 choices, stall or spin the tires.
That clutch with your gearing...
You will have 2 choices.
Stall or smoke the clutch. Those clutches can NOT take any slip.
Again. Good luck getting that to move.
I hope you never plan on running with an org. that does standing starts. If you do, start on pit road and have the tow truck push you.
My car is the other extreme, I enjoy running around in 3rd in the corners 4th on straight. 2nd in the low speeds corners. That’s what’s nice about a flat tq curve and a v8.
You are running a 4 speed, not a 6speed sequential, not a 2 stroke dirt bike, not a super linear power curved hi strung engine...
You won't need to sound like a sport bike with super close gearing....
Put the dark beer away and turn the F1 off...
Grab yourself a 6 pack of Busch and watch some NASCAR on the road courses...
You will get what I am saying.
FWIW I enjoy dark beer and F1.
Cheers!
06-10-2011, 04:28 PM
#24
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i found a video clip of how your car would be taking off.
Only this thing may have a heavy flywheel so yours would be worse.
http://youtu.be/_xdztPUYljw
Only this thing may have a heavy flywheel so yours would be worse.
http://youtu.be/_xdztPUYljw
06-10-2011, 05:13 PM
#25
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My .02 as I am about to purchase a t101a to replace my Muncie on my 5.3 I have been a lisc. Road racer for 12+years and built several championship winning cars.
Please don't think I am bashing you.
92mph 1st gear?
Please rethink this.
92mph 1st with a low MOI 3 disc clutch???
That clutch setup will give you absolutely ZERO stored energy to get it moving.
Have you driven a light low MOI clutch?
THEY SUCK. I took it out of my car. We are running for a $4 trophy that outside of the gate no body gives a crap about.
That clutch is great for power once moving, but you will stall it everywhere even with good gearing.
That clutch with good gearing...
You have 2 choices, stall or spin the tires.
That clutch with your gearing...
You will have 2 choices.
Stall or smoke the clutch. Those clutches can NOT take any slip.
Again. Good luck getting that to move.
I hope you never plan on running with an org. that does standing starts. If you do, start on pit road and have the tow truck push you.
My car is the other extreme, I enjoy running around in 3rd in the corners 4th on straight. 2nd in the low speeds corners. That’s what’s nice about a flat tq curve and a v8.
You are running a 4 speed, not a 6speed sequential, not a 2 stroke dirt bike, not a super linear power curved hi strung engine...
You won't need to sound like a sport bike with super close gearing....
Put the dark beer away and turn the F1 off...
Grab yourself a 6 pack of Busch and watch some NASCAR on the road courses...
You will get what I am saying.
FWIW I enjoy dark beer and F1.
Cheers!
Please don't think I am bashing you.
92mph 1st gear?
Please rethink this.
92mph 1st with a low MOI 3 disc clutch???
That clutch setup will give you absolutely ZERO stored energy to get it moving.
Have you driven a light low MOI clutch?
THEY SUCK. I took it out of my car. We are running for a $4 trophy that outside of the gate no body gives a crap about.
That clutch is great for power once moving, but you will stall it everywhere even with good gearing.
That clutch with good gearing...
You have 2 choices, stall or spin the tires.
That clutch with your gearing...
You will have 2 choices.
Stall or smoke the clutch. Those clutches can NOT take any slip.
Again. Good luck getting that to move.
I hope you never plan on running with an org. that does standing starts. If you do, start on pit road and have the tow truck push you.
My car is the other extreme, I enjoy running around in 3rd in the corners 4th on straight. 2nd in the low speeds corners. That’s what’s nice about a flat tq curve and a v8.
You are running a 4 speed, not a 6speed sequential, not a 2 stroke dirt bike, not a super linear power curved hi strung engine...
You won't need to sound like a sport bike with super close gearing....
Put the dark beer away and turn the F1 off...
Grab yourself a 6 pack of Busch and watch some NASCAR on the road courses...
You will get what I am saying.
FWIW I enjoy dark beer and F1.
Cheers!
It's hard to jugde what is to close and what is to far appart, I know the gap between 4th-5th on a T56 is a killer so I'm aiming to get greater than that, but at what point it's to much is hard to judge.
By the way just out of curiosity.. what have been your "slowlest" corner speed you saw so far? I know if has many variables but just to see if I'm on the right track.
Oh and... I barely watch either F1 or NASCAR I just have plenty of weird ideas that needs to be taken back to reality sometimes! (Also no offense Project gattago, I'm just hard headed and won't change my mind until I hear the little thing that ruins it).
06-10-2011, 06:16 PM
#26
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plan on a 40ish for slow speeds.
1st gear is just what you said get the car moving and paddock.
I will still warn you that clutch is going to suck in the paddock.
I took out a perfectly good and just put 3 new discs in it, clutch set to replace it with a full size as on track PERFECT. Pulling it in and out of the garage at home, into the trailer.. forget it by a quad and an electric wench. As for round the paddock you either look like a looser that can't drive a stick, or an ******* that likes to do burnouts and rev his engine everywhere.
1st gear is just what you said get the car moving and paddock.
I will still warn you that clutch is going to suck in the paddock.
I took out a perfectly good and just put 3 new discs in it, clutch set to replace it with a full size as on track PERFECT. Pulling it in and out of the garage at home, into the trailer.. forget it by a quad and an electric wench. As for round the paddock you either look like a looser that can't drive a stick, or an ******* that likes to do burnouts and rev his engine everywhere.
06-10-2011, 06:45 PM
#27
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plan on a 40ish for slow speeds.
1st gear is just what you said get the car moving and paddock.
I will still warn you that clutch is going to suck in the paddock.
I took out a perfectly good and just put 3 new discs in it, clutch set to replace it with a full size as on track PERFECT. Pulling it in and out of the garage at home, into the trailer.. forget it by a quad and an electric wench. As for round the paddock you either look like a looser that can't drive a stick, or an ******* that likes to do burnouts and rev his engine everywhere.
1st gear is just what you said get the car moving and paddock.
I will still warn you that clutch is going to suck in the paddock.
I took out a perfectly good and just put 3 new discs in it, clutch set to replace it with a full size as on track PERFECT. Pulling it in and out of the garage at home, into the trailer.. forget it by a quad and an electric wench. As for round the paddock you either look like a looser that can't drive a stick, or an ******* that likes to do burnouts and rev his engine everywhere.
Lowest I can get thru G-force ratios seems to be a 53-57mph first gear, good step up from 90 but, aint that still seem on the high side as a "cruising" gear
06-12-2011, 11:35 PM
#28
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wow!!! looks awesome!
i want to swap a 5.3 into my car also. my main concern is getting the electronics to work out.
from what i understand, i need:
engine, transmission, fuel pump, wire harness from a GM, exhaust manifold, custom exhaust.
i want to swap a 5.3 into my car also. my main concern is getting the electronics to work out.
from what i understand, i need:
engine, transmission, fuel pump, wire harness from a GM, exhaust manifold, custom exhaust.
06-13-2011, 06:12 AM
#29
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I guess so, in E46 they have CAN-BUS communication which is suppose to be a pain to work with. Mainly for dash but since I'm building a track car I'm just going to use an ACL dash and save myself all the trouble.
06-13-2011, 11:09 AM
#32
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Pretty close I'd guess... price and potential is a big winner on the V8 tho, and with the dogbox transmission it will be lighter than the 6 speed (not sure bout the 5 speed tho), so it should be a killer combo in the end!
06-13-2011, 01:11 PM
#33
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the bmw motor & trans package is actually a fair amount lighter - a lot of it is in the transmission difference but the bmw motors aren't heavy lugs themselves.
06-13-2011, 02:05 PM
#34
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07-10-2011, 12:11 PM
#37
Just curious, but did you get this car cheap? Just seems like a really complete nice sedan to strip out and make a race car out of.. plus its a 4door. I would think you'd want the smallest lightest thing you could find. Could be a specific class you'd wanna run maybe. I do not know! Looks like fun and good luck!
07-10-2011, 12:29 PM
#38
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Just curious, but did you get this car cheap? Just seems like a really complete nice sedan to strip out and make a race car out of.. plus its a 4door. I would think you'd want the smallest lightest thing you could find. Could be a specific class you'd wanna run maybe. I do not know! Looks like fun and good luck!
I used a 4 door because they are cheaper and easier to find over here and once stripped down to race trim 2doors and 4 doors weight are within a few pounds of each other.
I chose the E46 because from what I have read the chassis is better than the E36 on the track and even more when using the E46 M3 suspension geometry (wider track). Also because from my research it was the best chassis to run with that could accept an LS1 and that had alot of suspension/chassis development information available.
Could of used an E36 to but up in the north the clean ones (no rust) are priced higher than E46 that didn't have time to rust yet!
07-14-2011, 05:30 PM
#39
Some footage of our ASA Chassis type stock car with Carb LS1 (about 480 fwhp) winning overall at Daytona Classic May 2011.
This car uses a 7.25 triple disc clutch and Jerico 4 speed geared to use first gear in the slow corners on track. We use first tin all the infield corners and onto the banking. When we started using first gear instead of second we picked up 2 seconds per lap.
No trouble with the 7.25 clutches, but the 5.5 clutches will last no time.
Our Jerico is geared something like:
1.9
1.5
1.2
1.0
We use a 3.08 rear gear and hit about 180 in the trioval before braking for turn one.
http://www.youtube.com/watch?v=HEdPpbNan5o
This car uses a 7.25 triple disc clutch and Jerico 4 speed geared to use first gear in the slow corners on track. We use first tin all the infield corners and onto the banking. When we started using first gear instead of second we picked up 2 seconds per lap.
No trouble with the 7.25 clutches, but the 5.5 clutches will last no time.
Our Jerico is geared something like:
1.9
1.5
1.2
1.0
We use a 3.08 rear gear and hit about 180 in the trioval before braking for turn one.
http://www.youtube.com/watch?v=HEdPpbNan5o
