I knew this thing was going to be brutal, but my goodness!!
My New 540 Is Finally On The Street........WoW
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jackie schmidt
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I knew this thing was going to be brutal, but my goodness!!
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makin' me grin Jackie!!!! Knock it off, it's gonna cost me money!
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all right, hope it all play's nice for you 
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It is as much if not more than I hoped it would be. Idles smooth, good vaccuum, and feels like an afterburner kicks in when you nail it.all right, hope it all play's nice for you
My next stop is Pyle Bros Rear Ends in Baytown to get C-Clip eliminators, and 33 spline axels. While this is just a street car, I have a felling if it ever got a good bite, this thing would pop an axel.
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Congratulations! Sounds fun.
Since you says its a street car have ford ends welded on instead of c-clip eliminators they are more realible.
Marcus
Since you says its a street car have ford ends welded on instead of c-clip eliminators they are more realible.
Marcus
Thats what I said too after my first test drive.
they are lots of fun on the street.X2 on the ford ends to make your axles bolt in.
You will most likely get to know your local tyre dealer a lot better too...
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Marcus, I told Pyle Bros that I wanted the best and stoutest unit they could build, in all honesty, I am going by their judgment on this.
http://www.drivetrainamerica.com/p-7-914a576-detroit-truetrac-chevy-12-bolt-car-33sp-308-390.aspx This is the Posi Carrier they recommended.
I would have it there Monday but we have to wait for the brackets to mount the disc brakes, as the Wilwood Rear Disc Brake Kit I just installed during the Summer are set for the standard 12 bolt flang.
This conversion does include welding the housing tubes to the center section.
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C-clip kits work fine. I've had mine since 1997. Lot's of street and strip miles.
Advantage is you don't have to remove the rear end to install.
You can also get a Fud style bolt in bearing with the GM flange:
http://www.summitracing.com/search/...r-engineering-rear-axle-housing-ends/axle-housing-flange-type/12-bolt-chevrolet
Remove the housing and break out the band saw and welder.
You will like that posi. Good piece.
6-700 ft lbs is rather fun isn't it???
Ron
Advantage is you don't have to remove the rear end to install.
You can also get a Fud style bolt in bearing with the GM flange:
http://www.summitracing.com/search/...r-engineering-rear-axle-housing-ends/axle-housing-flange-type/12-bolt-chevrolet
Remove the housing and break out the band saw and welder.
You will like that posi. Good piece.
6-700 ft lbs is rather fun isn't it???
Ron
Jackie sounds like your having fun.I also have a 540 in my steer car and have not had it out on the street since 2009. I did get it to light off last Sunday and I know how you feel. I have a 12 bolt with aftermarket axles and have not had a problem. I have limited traction so there is no way to really stress the rear end.
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Do a search or start a topic in the transmission & drivetrain section and you will see that most will recomend the ford style ends over c-clip eliminators for street driving or check with this forums rear end guru aka big gear head and see what he says. It will be a bigger risk of potential leaks with c-clip eliminators they are designed for drag racing. Just trying to help you from future problems.
Use the 7900 ends in Ron454´s link above or ends from Tom´s both have chevy flange and has inner axle seal. http://www.tomsdifferentials.com/2011catalog/Pages1-7.pdf
I have seen both in real life and the Tom´s ends is a nicer piece in my opinion. Call Tom and ask what he recomends for a mostly street driven car c-clip eliminators or ford style ends, he is one of the best rear end people in the world. He can be bit cranky some times, but he has lot of us made stuff and has some parts made in the house wich is importent for some of you. If I was from Us I would have mix the brands more but went with parts from one place to save on shipping. If I was located in Us I would have bought ford style ends, support cover, bearings etc from Tom´s and have went with Mark W illiams masterline series axles.
My 12 bolt when it was built with ford style ends from Tom´s, 33 splines axles, welded tubes etc.
What we started with
I have Tom´s ends on my 12 bolt
Good luck what ever you deside!
Marcus
12 bolt in the '69 behind the 540" had Superior stock replacement axles (complete with c-clips), carrier studs and girdle, that was it. Had a new 3.5" driveshaft made but kept 1310 solid joints. Best 60' time was 1.59 at 4100# on 275/60 drag radials. Rear never broke. I had more issues with the T400. Tore up the input shaft and forward hub on street tires on the 1-2 shift. Stock 12 bolts are a lot stronger than most give credit. I think for a car leaving on a transbrake or a stick car, maybe consider some changes. For a footbrake car? Can't see it.
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I've been running C-clip eliminators on the street since 1996. They never leaked and i've had no problems.
Jackie, i was looking at the pictures of your car. It's very nice, good luck with the new engine.
Jackie, i was looking at the pictures of your car. It's very nice, good luck with the new engine.
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my 12-bolt has the strange c-clip eliminators
the circle-track style (tapered bearing) not the drag-race style ( ball-bearing)
the circle track models are for straight line and corners.
i did get a leak on one after about 10-years of use,
replaced the seals during upgrade to 11''drums...
the circle-track style (tapered bearing) not the drag-race style ( ball-bearing)
the circle track models are for straight line and corners.
i did get a leak on one after about 10-years of use,
replaced the seals during upgrade to 11''drums...
Jackie, keep these pictures in mind when your out rearend shopping, and dont forget my rearend builder did offer his services too you.
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Mark, I appreciate that. Pyle Bros is one of the best, and they are only 15 minutes down the road, I try to keep as much local as I can as long as I get the same quality.
I drive the car over, and two days later pick it up. There is something to be said for that.
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