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-   -   Boosted SBC/T56 Tranny, clutch, gears? (https://www.lateral-g.net/forums/showthread.php?t=41292)

NorCal72 05-05-2013 12:26 PM

Boosted SBC/T56 Tranny, clutch, gears?
 
Okay.......So after lots of research I have decided to go with a new T56 for my SBC Gen II Camaro. Im very green when it comes to the manual set up's as far as gearing (close or wide ratio) and rear end gearing go. This isn't going to be a daily driver. It will see AutoX and road courses occasionally. Im mainly going to drive it just to enjoy the vehicle. My largest concern is maximizing performance with a proven combination of parts. I want to be able to race as well as drive it a few hundred miles on a roadtrip. I am not overly concerned with fuel mileage as much as utilizing all six speeds and keeping the rpm's down on the freeway. Im clueless on the clutch I will use, I would like it to be street friendly. Other than that below is what thinking. Please feel free to give any criticism or suggest specific parts that would help me reach my goal. Thanks, Kevin

(Parts Im leaning towards)
T56 close ratio
McLeod/Quick Time Bell housing
Tick Performance Adjustable Master Cylinder
Tilton Hyd. Throwout w/ remote bleeder
Clutch: no clue (McLeod RST street twin)?
Flywheel: Steel or Aluminum?
Gearing:3.89's or 4.11's

(I haven't purchased rear end setup yet, but this is where Im at currently)
Vehicle:
72 Camaro
255/40/18's & 335/35/18's
CAC suspension all around
Motor:
383 stroker
hyd. roller
Vortech V2 w/ purpose built HP750carb
Est.550-575HP @ Crank

BANKO 05-08-2013 10:40 AM

Quote:

Originally Posted by NorCal72 (Post 478571)

(Parts Im leaning towards)
T56 close ratio
McLeod/Quick Time Bell housing
Tick Performance Adjustable Master Cylinder
Tilton Hyd. Throwout w/ remote bleeder
Clutch: no clue (McLeod RST street twin)?
Flywheel: Steel or Aluminum?
Gearing:3.89's or 4.11's

Sounds like a fun car, I think you'll really like the T56. I just did a swap in my Chevelle. Below is my feedback:

McLeod/Quick Time Bell housing (nice product, watch for reduced ground clearance due to the circumferential design. I needed to trim mine at the bottom to avoid scraping under suspension compression)
Tick Performance Adjustable Master Cylinder
Tilton Hyd. Throwout w/ remote bleeder (I've never heard about this setup, why do you need the adjustment? I'm using a 3/4" Wilwood MC to actuate the clutch)
Clutch: no clue (McLeod RST street twin)? (Spend the nominal cost and jump to the RXT, the RST won't be warrantied if you track the car)
Flywheel: Steel or Aluminum? (go aluminum, it revs quicker, street driving is not bad, just need to blip the throttle to keep the RPMs up and avoid stalls)
Gearing:3.89's or 4.11's (4:11s with a stroker will be pretty low, making real quick 1-2 shifts, 6th won't drop your RPMs much on the highway. What RPM do you want to be cruising at on the highway?)

NorCal72 05-08-2013 01:21 PM

Thanks a lot for the reply, exactly what I was looking for.

I looked into the RXT, Im definitely willing to spend more money on the quality parts that will last.

As far as the Tilton, the main reason was the quad seal on their hydraulic throwout bearings. I have heard horror stories McLeod TO's, I guess the use a single O ring. From what I have read, over time (sometimes very quickly) it starts to deteriorate, causing it to leak. Im open to any good TO, Tilton just seems to have very good reviews. I haven't done any research on the adjustable portion. I just noticed they have a setup for my application.

I would like to be 2000-2200rpm @ 70-75mph (I think). I have read that a lot of peoples 6th gear is useless or on the close ratio they are going with the .50 6th gear (additional 500.00). If Im not going to use it why not go with the 5 speed?

I was thinking the same thing on the gears combined with the stroker, 3.89's sound like the right choice.

I have no experience matching (manual) parts/gearing for a p/t setup so Im trying to take it all in and do it right the first time. Lots to consider


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