Roadrace To Drag Race Project-Lend A Hand

psfracer

billy badass
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I'll be honest psfracer. I want my car to look/sit almost exactly like yours. I think your car sits PERFECT! I hop you don't mind me copying you. The only major differences will be mine will be Vista Blue, it will have a GT500 front end on it, I'll leave the NACA ducts in the 1/4 windows and I will run black wheels, black wing and black accents.

What wheels are those?


Bogart D10s. Also, since you will have an honest 1400 hp, order your axles with 5/8th studs.

I am not happy yet--the front wheels still sit out too far. I need some shorter front A-arms from BMR.
 
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stkjock

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Yeah, that's where I got the idea of doing the rear inlet at. Cool setup. Last time I knew that car had only a 2.8L KB and was on methanol. He got it into the 7's I think.

Mark's car has a Accufab Built 5.4, TH400, 4.2 KB, neil chance convetor, racecraft suspension, rear gear 3.50

has gone 7.65 @ 183


He runs on corn juice
 

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I really hope you atleast consider giving Brian at BTS Transmissions a call to discuss the 4R100 option.

I honestly don't think the TH400 is going to give you much advantage over the 4R100 - and you will have the ability to have lock-up, OD and control the transmission instead of shifting via RMVB.

As for the suspension - I have been doing this for a long time. Too many times, I see people go very wild and crazy on their suspension and chassis, to not really pick up much from doing so.

-JPC's car is in the 1.1 and 1.2 range, on off the shelf parts. They also have (2) other cars out there running well into the 1.2X range on the OEM 3-Link with off the shelf pieces.

-JD Coons GT500 (EFI Renegade) runs a 4R100, footbraking......and is well into the 8's, every pass. His car is a complete off the shelf BMR Suspension, and his 60's are consistently in the 1.25 range.

-Billet Pro Shop is smashing down 1.30 - 1.31's with their manual trans TVS GT500, with the OEM 3-Link and off the shelf pieces; their suspension isn't dialed in yet. I think they will be in the 1.2's soon.

-Mark Meiring's car, pictured above got into the 7's, before swapping out to a full chassis/suspension "re-do". Actually, I don't want to claim that, but I know for a fact he went very bottom 8's.

Those are just several with our pieces. I am sure there are many others out there?

This is not a plug for BMR. I am just sharing the fact that you can go very, very quick on off the shelf parts with the OEM Style 3-Link.

If you get into the 1.2's for sixty.....you have to think, how much further can you actually go? Is it worth spending triple the amount, to only have a more complex system - and gain not even a tenth to the sixty? I honestly do not believe so. I am not "too" bias, as we're no strangers to 4-inks and ladder bars; we own them and race them.


 

psfracer

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That being said, you really don't NEED to mini tub it, especially if you intend on running the 275 M/T Pro. Also I am sure a BMR 3 link suspension with all rod ends could suit your needs.

I agree with you MR. BMR TECH (Kelly) haha.

I just did what I did to sit the car over a 30 inch tire.
 

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Mark's car has a Accufab Built 5.4, TH400, 4.2 KB, neil chance convetor, racecraft suspension, rear gear 3.50

has gone 7.65 @ 183


He runs on corn juice

They must keep changing the combo. Last article I read on it the car was still running a 2.8L on methanol with some crazy mechanical fuel pump. It had just dipped into the 7's at that point.

Looks like they chucked a bigger blower at it and went quite a bit faster.

That is one seriously one bad Mofo.

Love that rear facing TB. I think I need one of those!
 

psfracer

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He is definitely running a larger blower then a 2.8.

As far as the 4R100 trans, I thought that thing was big and heavy, as in 270lbs.
 

stkjock

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You must be out of touch... he's been running a 4.2 since 2011

EaBGy.jpg



As far as fastest S197 Chassis car, there has been one deep 7s

 

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They are definitely heavy.

The TH400 weight is about 145lbs.

The 4R100 weighs in around 225lbs.

That said, I would be willing to bet that the less slip from the 4R going down the track, would more than compensate for the 80lb difference.

I know the Diesel truck guys are running the BTS 4R's well into the 1300+ftlbs TQ range, locking them up, with a hefty 6500lb raceweight.
 

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I really hope you atleast consider giving Brian at BTS Transmissions a call to discuss the 4R100 option.

I honestly don't think the TH400 is going to give you much advantage over the 4R100 - and you will have the ability to have lock-up, OD and control the transmission instead of shifting via RMVB.
I'm not married to anything yet. I'll look him up for sure.

As for the suspension - I have been doing this for a long time. Too many times, I see people go very wild and crazy on their suspension and chassis, to not really pick up much from doing so.

-JPC's car is in the 1.1 and 1.2 range, on off the shelf parts. They also have (2) other cars out there running well into the 1.2X range on the OEM 3-Link with off the shelf pieces.

-JD Coons GT500 (EFI Renegade) runs a 4R100, footbraking......and is well into the 8's, every pass. His car is a complete off the shelf BMR Suspension, and his 60's are consistently in the 1.25 range.

-Billet Pro Shop is smashing down 1.30 - 1.31's with their manual trans TVS GT500, with the OEM 3-Link and off the shelf pieces; their suspension isn't dialed in yet. I think they will be in the 1.2's soon.

-Mark Meiring's car, pictured above got into the 7's, before swapping out to a full chassis/suspension "re-do". Actually, I don't want to claim that, but I know for a fact he went very bottom 8's.

Those are just several with our pieces. I am sure there are many others out there?

This is not a plug for BMR. I am just sharing the fact that you can go very, very quick on off the shelf parts with the OEM Style 3-Link.

If you get into the 1.2's for sixty.....you have to think, how much further can you actually go? Is it worth spending triple the amount, to only have a more complex system - and gain not even a tenth to the sixty? I honestly do not believe so. I am not "too" bias, as we're no strangers to 4-inks and ladder bars; we own them and race them.



I hear you here. I would much rather go with off the shelf stuff. At my core I am all about the KISS method. I'm a racer, and if that has taught me one thing, it's a lot easier to next day a part, than custom make it.

I'm just looking at all my options and weighing them against how much work I want to do, how much money I want to spend and how "trick" I want to get. Everything I have been doing on this car for 7 yrs has been custom, lots of work and expensive. Going bolt on for a while would be a nice change.

I appreciate the input.
 

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^ No problem.

The cool thing about the S197 Chassis and Suspension, is there is a ton of areas for improvement, and tweaking. Again, as you stated, there is so much you can do - but how far do you want to take it.

From my experience, the best suspension and chassis areas to address will be: Very good struts/shocks/springs and limiters if needed....as long of an UCA as you can get/make....as many LCA mounting positions as possible for IC/AS adjustment......and some wheelbase modifications. Everything else is just playing around, removing weight, etc.
 

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No, puddins car was not a 3V street car. Her build actually shared some similarity to our drag car build from "back in the day".
 

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Hahaha..........no.

Nope, see how I wrote "S197 chassis" car... :roflmao:

No, puddins car was not a 3V street car.

I was j/k:roflmao:

I'm not trying to play in that arena. I think worlds fastest 3v is plenty of goal for now.

In the future I may consider playing with the big boys. But that will be a S197 "chassis" (lots of tubes) with a big, big big block and a couple of turbo's or a really big blower. Still a street car though.
 

psfracer

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On the 4R100,

Do they offer any other ratios? I think a 2.71 1st with an honest 1400 hp is going to be tricky to hook out of the hole. Especially if he intends on running a 275 tire.

It seems they are rated to 1000 ft-lbs of torque, but it still does not seem as strong as the race turbo 400s and PGs. Then there is the weight, the size, and the cost. I am not familiar if anyone also provides a SFI case for the 4R100--if not you will need a shield and blanket on an already big trans.

I still say the TH400 with aftermarket super case with the 2.10 1st gear is the way to go. Then there is the fact that 5 out of the 10 fastest cars run PGs--probably due to the small size, light weight, and awesome reliability.
 

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^ I am unsure of the fine details.

I just know that I have several customers running them, and more&more are saving their dollars to make the swap.

Not sure where your rating comes from, but I do know that there are a ton of 6500lb diesels with 1000+ftlbs, running them.

On the Diesel forums, you wont see anyone saying they have broken or burned one up. If someone has, I am sure Brian took care of it quickly.

I would imagine, 1000ftlbs in a full size F250....would be easily comparable to 1200+ in a Mustang.

I wouldn't say the 4R is the better choice - but I will say that I personally prefer the lock-up, OD and fine tuning in shift points, etc (technology)

JD's consistent 1.2 sixties, footbraking, on the 275 Pro is pretty damn impressive IMO. He has the BTS 4R100 and Converter.

IMG_8741-640x426.jpg


That car is a legit street car.
 

psfracer

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Is there a trans brake for the 4R100? How much hp does JD have?

I am just saying 1400 hp is going to require some different gearing. And when you are sub 8.50, they will definitely be looking for an SFI case or a blanket and shield.

And then there is the cost, all though I have no idea how much one would go for?

From what I have read so far though, it definitely seems like a better choice then the 4R70w.
 
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Pretty sure it cost about $5,000 to get set-up with the best 4R, Converter, and Controller. In that range. Maybe a slight amount more.

JD's car is in the 1000ft/lb range, to the tires, with his latest tune-up - I believe.

I know it's been close to 160mph, at 3700~ish lbs.

His flywheel HP level has to be in the 1200-1300HP range. I know the car made over 1000rwhp through the 4R, with the smaller blower and less aggressive tune-up.

Not sure about the brake, or the SFI stuff, honestly.

I do know, he doesn't plan on using a brake anytime soon. He is already in the top tier of the class in terms of getting the car to leave.
 

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