Fastest stock converter car.....

[BoostedTtype]

I want to get into the 11's this year and it would like to do so without swapping the converter. What's the fastest you guys have been on a stock converter?

Im looking to upgrade to a ta49 turbo and maybe a stretched SLIC ... Would this be enough to get my car into the 11's

Current Best et 12.71@105
Mods listed in sig

 

[pacecarta]

been done more times than i could count , just make sure your brakes hold good and that your tires stick

 

[TT/Ameasap]

You should be in the low 12's or 11's with what you have now. You either have poor tune, poor launch, or something is not working correctly on the car.

 

[bison]

It's been in the tens

 

[BoostedTtype]

You should be in the low 12's or 11's with what you have now. You either have poor tune, poor launch, or something is not working correctly on the car.

Well my tune is basically mail order, its a TT chip but I have never had the car dyno tuned for maximum power... I didnt think 11's were possible with stock turbo and intercooler..

 

[pacecarta]

alky changed what the stocker can do , i went 111 12.0s on my stock turbo with a duttneck.
the record in a regal is 11.37 (ed brewer)
the gallina tta with stock turbo and ic has been bottom 11s

 

[BoostedTtype]

alky changed what the stocker can do , i went 111 12.0s on my stock turbo with a duttneck.
the record in a regal is 11.42 (ed brewer)
the gallina tta with stock turbo and ic has been bottom 11s

12.0 ..111.. Wow thats Flyin... How may pounds of boost?
Stock motor? Heads?

 

[fastblackracing]

Going in the 11's is not much trouble with a stock converter. I went into the tens with it years ago but reliability became an issue with it when I was going quicker than 11.70. When I was going 11.30 or so the fins on the impeller would crack and break loose, I could see the converter stall speed would start to increase a bit when this would happen. It got to the point about 15 passes it had to come out. Are you planning on running the converter locked up at the track?

 

[BoostedTtype]

Going in the 11's is not much trouble with a stock converter. I went into the tens with it years ago but reliability became an issue with it when I was going quicker than 11.70. When I was going 11.30 or so the fins on the impeller would crack and break loose, I could see the converter stall speed would start to increase a bit when this would happen. It got to the point about 15 passes it had to come out. Are you planning on running the converter locked up at the track?

I thought about that. Someone told me that locking the converter is good for a couple of tenths... Im not really sure about the differance between lockup and non lockup converters.. I would be happy to just see 11.80's this year..

 

[pacecarta]

12.0 ..111.. Wow thats Flyin... How may pounds of boost?
Stock motor? Heads?

24# 1-2 /21# in 3rd
motor/heads was stock 135K miles just replaced the timing chain and valve springs
..locking the converter was good for 2 mph

 

[BoostedTtype]

24# 1-2 /21# in 3rd
motor/heads was stock 135K miles just replaced the timing chain and valve springs
..locking the converter was good for 2 mph

Great info... Thanks.. Was that with a stock turbo?

I have some 100lb valve springs that have been on my shelf for months

 

[pacecarta]

stock turbo

 

[KEVINS]

See sig. for old combo and this required launching with 15psi of boost and it was dialed at 22-23psi.

ks

 

[BoostedTtype]

See sig. for old combo and this required launching with 15psi of boost and it was dialed at 22-23psi.

ks

Wow
Well looks like I need to get my car to a dyno and see what kind of power I can sqeeeze out of it...

If I can squeeze another 35-40 to the wheels and lock up the converter I maybe on to something....

How in the world did You build 15 lbs of boost... I think on a good day I can build 9 max maybe 10... Before the wheels start spinning..

 

[we4Mateo]

Wow
Well looks like I need to get my car to a dyno and see what kind of power I can sqeeeze out of it...

If I can squeeze another 35-40 to the wheels and lock up the converter I maybe on to something....

How in the world did You build 15 lbs of boost... I think on a good day I can build 9 max maybe 10... Before the wheels start spinning..

I've picked up 40rwhp and more importantly, 100 rw torque, at a dyno. Maybe your tune isn't as far off as mine was; before I got the wideband anyway. You can get the same results at the track though. Just take away fuel until it stops picking up mph or you see knock, then add a little back in. Same goes for timing although I prefer as much boost as possible and I pretty much leave my timing set low but this is just a preference of mine.

As far as building the needed launch boost, get your brakes in good working order and a fresh set of Mickey's and you'll go 11's. Getting it all right is the fun part.

 

[we4Mateo]

Wow
Well looks like I need to get my car to a dyno and see what kind of power I can sqeeeze out of it...

If I can squeeze another 35-40 to the wheels and lock up the converter I maybe on to something....

How in the world did You build 15 lbs of boost... I think on a good day I can build 9 max maybe 10... Before the wheels start spinning..

I've picked up 40rwhp and more importantly, 100 rw torque, at a dyno. Maybe your tune isn't as far off as mine was; before I got the wideband anyway. You can get the same results at the track though. Just take away fuel until it stops picking up mph or you see knock, then add a little back in. Same goes for timing although I prefer as much boost as possible and I pretty much leave my timing set low but this is just a preference of mine.

As far as building the needed launch boost, get your brakes in good working order and a fresh set of Mickey's and you'll go 11's. Getting it all right is the fun part.

 

[pacecarta]

things to hold more
s10 rear wheel cylinders ,
soft brake shoes
old school E-brake launching

 

[KEVINS]

How in the world did You build 15 lbs of boost... I think on a good day I can build 9 max maybe 10... Before the wheels start spinning..

A few of us around here are lucky that our stock brake system will allow us to push so FRIGGEN hard on the brake pedal that we can build that kind of boost. It seems that most people have to use larger S10 wheel cylinders, etc but the key to building boost is not holding the front tires from sliding but holding the rear tires from turning.

Also, once you build the max boost you can, you can floor the accelarator but still hold the brake pedal down for a split second and the boost will spike a few pounds to gain a bit more boost. I could do this and get up to 18psi but the 60's never improved. A buddy does this and has seen 20psi-21psi and has 60' in the 1.52 range.

ks

 

[mikestertwo]

I went 11.98@112.47 , stock unopened motor with a TA-49, 22lbs boost, 3"THDP, stock location stretch intercooler, and 42.5 lb. injectors 7 years ago in my 87' GN.

 

[BoostedTtype]

Well I'm gonna look into purchasing a wideband. I've always been scared to play with the fuel and timing myself. Maybe the wideband will give me some courage..

Are there any disadvantages to ebrake launches?