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Mad Maggot 05-21-2006 06:16 PM

My buddy is an idiot!
My stubborn (and yes, stupid) buddy went and spent $6,000 on a 420HP 350 for his 1984 Camaro, then went and bolted it to his stock 700R4 tranny and 10 bolt rear end. :eek: I tried to tell him that he needs to upgrade his whole drivetrain to handle that kind of power, but he insisted that "the ****ing stock parts will hold, dammit!"

What I would like to know is what are some warning signs I can look for that signal an imminent catastrophe in his rear end and tranny? I'm pretty sure it's only a matter of time before they blow. And in case he's dumb enough not to care when I tell him of these warning signs, what kind of carnage can I expect when his tranny or rear end finally does blow? Will there be shrapnel in his nuts? Maybe I can scare some sense into him... (yeah, right)

I'm going to have to get his day pass from the loonie bin revoked :rolleyes:

Thanks - MM

OneMoreTime 05-21-2006 06:34 PM

Just don't be anywhere close when he does blow it up..All I can say...


1957plymouthhemi 05-21-2006 07:11 PM

".....what are some warning signs I can look for that signal an imminent catastrophe in his rear end and tranny?........"


killerformula 05-21-2006 09:05 PM

depends a lot on the tires he uses. If he wants a good hook he's going to have problems. A driveshaft loop is cheap, easy to install and is probably the best insurance for a guy like him-


home brew 05-21-2006 09:19 PM

If your buddy isn't going to upgrade the drivetrain then he will probably stick with the original tires and want to burn them up. As long as they don't hook up and spin you will be relatively safe. But if they ever catch hold the rest of the drivetrain will let go. You don't want to be around. I wouldn't want to be riding with him when that happens. You already know what will happen but he probably won't see any warning signs until it is too late.

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xntrik 05-21-2006 10:35 PM

That amount of hp is not a big problem. He is probably going to get about 320 at the tires.

First, I don't think the rear end is any problem considering he will not be able to hook-up, and his posi is probably on the way out already anyway.

Second, the stock tranny will probably start slipping going into 3 and then 2 before anything explosive happens.

Enjoy! :thumbup:

Mad Maggot 05-22-2006 07:35 PM

LOL, can you believe he has 12" meats on that car? :drunk: He gets crazy wheelhop when he pins it because he has no subframe connectors or suspension upgrades. I'll bet it won't be long before he finds a way to twist the chassis, after all it has T-tops also :rolleyes:

I think if there's some kind of blooper reel that shows why certain people should not be hotrodders, this guy's deathtrap car would take first prize :thumbup:

I'll have to watch out for the tranny slippage as an early warning, although I made it clear to him already that he's not allowed to step on it with me in the car or I'll KICK HIS A S S !. I'll definitely suggest the driveshaft loop to him - no better yet, I'll buy the damn thing for him and install it myself so the jack@ss can't refuse!

Sometimes I wonder why I bother to hang out with this guy, LOL. The thing is, he'd probably be dead or in the hospital if not for the many times I've watched out for him and saved him from his own stupidity. What are friends for, eh?

PHATHOM 05-22-2006 07:50 PM

The ole "My buddy"...I heard that alot in the military from guys who did something and did not want to confess to it personally. I had a buddy who once drove a 69 VW bugg off a 40 ft cliff and lived to tell bout it...wait, that was me.

cucumber1949 05-22-2006 10:00 PM

A differential girdle would help that rear end a lot, assuming it doesn't already have problems. An example of such would be:

Mad Maggot 05-22-2006 10:38 PM

Well, in this case it is my buddy, my car is shown in my avatar (1985 T/A) and I chose to build it up the RIGHT way :mwink: I spent thousands on suspension upgrades, SFC's, strengthening the tranny, and rebuilding the rear before the original 305 ever came out. Everyone knew I was putting money into my car but they wondered why it wasn't getting any faster. I told them I liked my butt in one piece and I wanted a stable platform to put some power into, not the other way around.

Thanks for the link to the rear girdle, I may need to get him one of those as well. My buddy better pony up some free beer for saving his hide once again :thumbup:

k-star 05-23-2006 05:21 AM

If that car wheels hops bad that will kill the parts quicker then the HP will !!!!!

As far as the trans and rear..... I have been doing this deal for over 20 years and it's anybodys guess what will break... I had a customer that used to bring me broken muncie parts. I would buy all the transmissions he broke. One time he switched to a Saginaw because he was broke. It came out of a junk yard.... I told him the transmission would not last the weekend... Funny thing is i still see that car driving around and i he has not brought me any broken muncies??????


johnsongrass1 05-23-2006 10:30 AM

You can't underestimate the saginaw's. I buy them with any lines count and cut the counter shaft out of em. Then cut first gear out and trim excess fat off second and from anything else rotating. We run them in ovaltrack cars with 600hp plus. Wheel spin helps make em live but most cars these days are hook up and hammer down. Seldom do we ever break one. If we do it's usaully bellhousing or rear cases because we don't use a trans mount.

85vette 05-23-2006 09:42 PM

all that is going to happen to the trans is that he will wear out all the bands like i did ... nothing explosive unless he turns it like 10000(darn) and i woundt worry about the rear end cuz the tranny will let go way before the 10 bolt

Mad Maggot 05-23-2006 10:42 PM

Thanks for the info, folks. I may have to get him to read this thread in a last ditch effort to change his mind, although I doubt he would appreciate some of the names I've called him :D

40chevy 05-25-2006 07:41 PM

This is a factory 10 bolt and 700r4
Well, this is a mid 12's car with factory 10 bolt TCI 3500 stall in a A4 tranny. In this picture also the rear is wearing BFG Drag radials. Motor specs. LS-1 with .563 .563 224 224 cam, Ti retainers, Comp springs and thats about it. His motor is probably 420 hp sitting on a dyno anyway.
Let me add I dont think he has the best combo but 10 bolts are stronger than people give credit. If your friend had the money Im sure he would swap in a 12 bolt in his f-body and a beefier tranny. Just my .02

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