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  #31 (permalink)  
Old 10-25-2013, 12:23 AM
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Sorry if I derailed your thread!

I like the TH400 manual valve body, reverse shift pattern, 1200HP or better capability (just my opinion) Fairbanks is reputable,Custom built is best I like Fairbanks high quality parts! Stay away from "Monster" (my opinion)

I've had good luck with well built power glides,I've blown quite a few TH 350s tore the bell housings off all of them when hitting second only blew one 400 in 40 yrs it was a B&M from Summit, ran 1 Fairbanks racing 400 for years with 6,000 stall convertors and the Trans gave me no major problems it was great only needed minor freshening up on the off season but kept going through very expensive convertors LOL. There are a lot of good custom race trans builders out therebut be careful, you get what you pay for a budget built trans no mater what it is you pick can kill you( they are bombs waiting to detonate) !!!!

Jester

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  #32 (permalink)  
Old 10-28-2013, 02:10 PM
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Np, I wanted to get some info on the engines too Your the 5th guy that said go with TH400
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  #33 (permalink)  
Old 10-28-2013, 08:32 PM
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If I was to build a 77 Firebird ! I think I would supercharge the 400 with a 671 at 20 to 30 LBs track boost gas or E-85 to reach the 1000 Hp and over that your looking for! A cam with over 110 LSA that comes in early and peak RPM of around 6000, With a built turbo 400 with the 3.73 gears you spoke of and 10 x 30 x 15 bias belted slicks! and a 2500 stall convertor. Then make a pulley and tire swap to tone the beast down for the street ! Ive built many of these combinations over the years and the people that never drove a blown car before always come out of the cars on their first shake down run with their legs shaking and saying "Holley S^*t that's F%*#ing fast"!

I myself prefer these type builds, the lower RPM and High torque means less $$$$ on the valve train to lighten and strengthen, less $$$$$$ total to achieve massive HP by supercharging compared to $$$ spent to achieve over 1000 HP on naturally aspirated engines of the same CU. IN.! The supercharger makes a small block think its a massive built big block and performs like one!!

Your Money will be going into chassis and running gear mods, the torque is so great right off idle!! If you go cheep on those and your tires hook things will break !!!!!

That would be my type build but to "Each His Own" You already have a 632 in mind LOL

Jester
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  #34 (permalink)  
Old 10-28-2013, 08:46 PM
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I would love a 632 with twin turbos and only rev 5k.everything attached to the engine would break at some point and time,especially if the car is heavy.
Another option,look at Chris' Corvette,moderate power but super light. A light car is very fun to drive.Go test drive a Miata(dont buy it,its a girls car) then immagine that type of car with 3 times the power
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Old 10-29-2013, 06:58 AM
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"don't buy it, its a girls car" Vinnie, you owe me a new cup of coffee. Apparently its "unprofessional" to spit coffee on your keyboard LOL
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Old 10-29-2013, 07:44 AM
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Sorry AG,lol. anytime you are in town I would gladly take you to the "Tim Horton's experience,Eh!"

I would love to have a miata with an LS-3 and hot cam and a six speed,just not in the Miata form.Sorry Mazda,,,,
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Old 10-29-2013, 11:19 AM
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At 3lbs/HP, a 1000hp car is 3000lbs. Definately need an aftermarket gearbox to get that much power to the ground at that weight.

Here is a Mazda at 2325lbs, not a LS3 Miata but less than 3lbs/hp...http://tntrc.com
With a car this light, you don't need an aftermarket trans for 3lbs/HP fun.
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  #38 (permalink)  
Old 10-29-2013, 03:45 PM
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yea, I know that heavy is not your friend. I have a japanese car that I'm selling at the moment - nissan 200 SX thats got around 420-440 WHP. Its like 65% weight of any muscle car - diferent beast. But... I want the heavy to go fast

btw - what kind of transmission is that ?
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  #39 (permalink)  
Old 10-30-2013, 06:51 AM
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I dont have sound on this computer, but its some type of manually shifted 3spd automatic, although I can't place that shifter off the top of my head. It could be a TH400 or a 727 torqueflite, or even a C6. My bet is the '400
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Old 10-30-2013, 09:26 PM
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Quote:
Originally Posted by AutoGear View Post
I dont have sound on this computer, but its some type of manually shifted 3spd automatic, although I can't place that shifter off the top of my head. It could be a TH400 or a 727 torqueflite, or even a C6. My bet is the '400
AutoGear:

That's an Old Fairbanks shifter

Jester

Last edited by painted jester; 10-30-2013 at 09:47 PM.
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  #41 (permalink)  
Old 10-30-2013, 09:31 PM
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Fairbanks Racing Automatics was a family business owned by Joe Lupo and his son, Frank.

Fairbanks Racing Automatics, which was originally in Stamford CT, was relocated to Delaware years ago, and has been doing business as Frank Lupo's Dynamic Converters/Pro-Formance Racing Transmissions.

Still makes excellent converters and transmissions
Here's the link:

Jester

Dynamic Converters // Pro-Formance Transmissions

Last edited by painted jester; 10-30-2013 at 09:37 PM.
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  #42 (permalink)  
Old 10-31-2013, 06:57 AM
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Sidebar: Isnt the Fairbanks basically a Cheetah without the Rev Lockout?
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  #43 (permalink)  
Old 11-01-2013, 12:50 AM
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RPM Transmission makes a level 6 T56 that can handle 1000hp/1000tq has multiple gearing combinations too. Just under $5000 though, take $1000 off if you send in a core. I've seen guys in 03/04 cobras run 1000 at the rear wheels on the factory T56 with a input shaft and clutch upgrade. But every manufacturer had different specs for their T56. Generally the Viper T56 is considered the strongest followed by the Cobra trans. My brother has a 09 Cummins with the Tremec G56 and his truck is modded pretty heavily. I know his torque numbers are over 1000 at the wheels. The stock trans has taken almost 100,000 miles of abuse and it shifts like it did at 1,000 miles.

Last edited by Ghetto Jet; 11-01-2013 at 12:56 AM.
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Old 11-01-2013, 07:36 AM
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Manual trans is fun for screwing around, but if you want to be fast/quick on a repeatable basis and launch with any authority without laying parts on the ground stay away from a manual trans.

A twin turbo 418 GEN 3 engine in a GMT 800(99-07) truck with a stock 3/4 ton HD tranfer case and built level 5 FLT 4l80e ran high 9's dynoing at 1100rwhp.

peace
Hog
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Old 11-01-2013, 01:27 PM
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A lot of great info, thanks guys. We dont have a lot of hardcore cars over here, most ppl are fine with hardened 4L60E or TH700. So i'ts hard to see other options in action and talk to actual users.
So I guess the options are : 4L80/85E, TH400, Lenco. I still like the "cool factor" of Lenco 4 shift levers. But I would have to instal some kind of manual hand brake for parking.
What about Powerglide ?? I know it has 2 gears. so the 2nd is 1:1 - the same as Lenco and 400. Figured that PG is bad for standard 350s engines since thy done have enough torque of the start. With procharged F2 it should do around 500 torque at 3000 RPM. So I guess I could even start from 2nd gear. My question is how will it work at 70MPH - how far can you push it on 1st ( MPH wise ).

My budget is around 5K for the transmission so I guess I can get a strong one for that.
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