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 Post Posted: Sun Dec 07, 2008 1:47 pm 
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Joined: Sun Nov 18, 2007 1:48 pm
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Location: Sequim, Wa
I am going to installing a new cam in my 502 and will hopefully be looking at 700hp.

My question is if my R/E will take it?? I have a 12 bolt with a Moroso Brute Strength carrier, 30 spline Moser axles w/ "C" clip eliminators. What do you think?

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'56 Pro Street 210 Post - Mostly Street w/ Some Occassional Strip Runs - Best 1/8th Mile Time - 7.24/ Best 1/4 Mile - 11.32 @ 122 / Best 60' - 1.60 - Britco Racing Built 502 w/Mike's Ultimate 400 -

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 Post Posted: Sun Dec 07, 2008 3:27 pm 
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The 12 bolt gear is pretty strong but it depends a lot on how much tire you're running and how hard you hit it.  The weak point will still be the spyder gears in that posi unit.  1.60s short times probably won't hurt it much and if it does, there's always a beefed up 9 inch with a locker to replace it.   ;-)

The Dana 60 in my Studebaker had a posi in it in the beginning.  I finally broke a spyder gear in that and then converted it to a spool and never looked back.  Some say you can't run a spool on the street but I do it and I know several other that do or did and had zero problems with them.  You get a little push and tire churp around sharp corners but other than that you don't know it's back there.

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 Post Posted: Sun Dec 07, 2008 7:24 pm 
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Location: Sequim, Wa
Thanks Ken.. I am running M/T 32X14 E/T Drags. Forgot to mention to that it is a 4 link set up and I am using a transbrake. The 60' that I had was with poor traction. I was getting bad weight transfer due to wrong springs/shocks on the front and old Aldan Eagle coil overs in the rear. 4 link also needs to be tuned better. Next summer the HP should be close to 700hp or so (right now I am at 628hp with 501rwhp) and I am changing over the front springs/shock and switching to Afco DA rear coil overs. So, the 60' should be much better, or at least I hope so  =;  

Glad you mentioned the spool on the street. I have been considering going with a spool. In reality, the car is not street driven much anyway except for short trips and the occasional cruise.

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'56 Pro Street 210 Post - Mostly Street w/ Some Occassional Strip Runs - Best 1/8th Mile Time - 7.24/ Best 1/4 Mile - 11.32 @ 122 / Best 60' - 1.60 - Britco Racing Built 502 w/Mike's Ultimate 400 -

My pics....
http://www.picturetrail.com/winmon


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 Post Posted: Sun Dec 07, 2008 8:58 pm 
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Yeah the Studebaker didn't get driven that much either as it's only got a little over 6k miles on it now.  Mine was mostly an occasional around town and cruise in also.

With that setup you got now you'll probably be replacing that posi unit before the end of next season!   =;  and when that happens, you just might want to consider switching to a 9 inch if the funds are available.

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Necessity is the plea for every infringement of human freedom. It is the argument of tyrants; it is the creed of slaves.

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