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-   -   Manual Trans Help (https://classracer.com/classforum/showthread.php?t=24050)

mtwilly 02-24-2010 05:46 PM

Manual Trans Help
 
Hey, guys. My project is a 1976 Firebird with a 400. I am building it for NHRA Stock and i want to run a 4 speed. At this time, a Jericho is out of the question so what is my best bet? Super T10? Thanks for the help.

Bill Belden 02-24-2010 05:55 PM

Re: Manual Trans Help
 
Spend the extra for a Jerico, it will pay for itself in the end

gmonde 02-24-2010 06:35 PM

Re: Manual Trans Help
 
if your going to run a stick you need to go with a good trans ,jerico,liberty,but depends how resourceful you are you mite be able to find a doug nash five speed that is converted to a four speed but finding gear ratios will be a challenge to find ,,strong but old
gmonde

Bob Gullett 02-24-2010 07:17 PM

Re: Manual Trans Help
 
You car is only as strong as the weakest link. The T10 would be the weakest link.

Mark Yacavone 02-24-2010 08:35 PM

Re: Manual Trans Help
 
Your problem won't be so much the trans , but rather ,the clutch.
Too much weight, not enough hp and rpm to use counterweights effectively.
I f you can't afford a Jericho, I'm going to assume you won't be able to put a good clutch in it either.
You CAN find an old Doug Nash 4+1 with about a 2.96 low and it will be strong enough, but remember, a 1 to1 4th gear, is still driving through the cluster. You 'll have some loss there.
Bottom line though, is, and trust me when I tell you this (been there, done that) , this whole deal is a bad idea. I would advise you to not do this.

69Cobra 02-24-2010 11:09 PM

Re: Manual Trans Help
 
What whole deal is a bad idea? Running a stick or building a stocker?

Quote:

Originally Posted by Mark Yacavone (Post 171273)
Bottom line though, is, and trust me when I tell you this (been there, done that) , this whole deal is a bad idea. I would advise you to not do this.


mtwilly 02-25-2010 12:44 AM

Re: Manual Trans Help
 
Quote:

Originally Posted by Mark Yacavone (Post 171273)
Your problem won't be so much the trans , but rather ,the clutch.
Too much weight, not enough hp and rpm to use counterweights effectively.
I f you can't afford a Jericho, I'm going to assume you won't be able to put a good clutch in it either.
You CAN find an old Doug Nash 4+1 with about a 2.96 low and it will be strong enough, but remember, a 1 to1 4th gear, is still driving through the cluster. You 'll have some loss there.
Bottom line though, is, and trust me when I tell you this (been there, done that) , this whole deal is a bad idea. I would advise you to not do this.

I'm new to all this stuff, but isn't all that stuff adjustable in the clutch?

Mark Yacavone 02-25-2010 01:47 AM

Re: Manual Trans Help
 
Quote:

Originally Posted by 69Cobra (Post 171315)
What whole deal is a bad idea? Running a stick or building a stocker?

Neither.

Running a stick with that combination.

Mark Yacavone 02-25-2010 01:59 AM

Re: Manual Trans Help
 
Quote:

Originally Posted by mtwilly (Post 171327)
I'm new to all this stuff, but isn't all that stuff adjustable in the clutch?

All the more reason not to do it then.

Yes, there are moderately priced B&B /Long style 10.5 -11 " that are somewhat adjustable, but I don't believe they will get the job done in this application.
By that I mean you're most likely to either break parts or smoke the disc in the waterbox.
Even if you find a happy medium , I don't think the 60' times will be consistent enough to win races.
I'm not trying to discourage you from building a Stocker, by any means. We need all we can get, just not this combination.

Tom keedle 02-25-2010 05:07 AM

Re: Manual Trans Help
 
Quote:

Originally Posted by Mark Yacavone (Post 171332)
All the more reason not to do it then.

Yes, there are moderately priced B&B /Long style 10.5 -11 " that are somewhat adjustable, but I don't believe they will get the job done in this application.
By that I mean you're most likely to either break parts or smoke the disc in the waterbox.
Even if you find a happy medium , I don't think the 60' times will be consistent enough to win races.
I'm not trying to discourage you from building a Stocker, by any means. We need all we can get, just not this combination.

...then you'tr prolly not gonna like MY setup....
yes, i'll be using a st-10 w/ 3.44 1st,bunch lighter car,though


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