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Discussion Starter #1
a 800 hp 29? also how much can the front snout of the crank take? I am building a blown alky dealio so I don't think I will need to boost the snot out of it.
 

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I say C4 and many here will disagree. It seems most are stating they loose consistently quickly and many think they are to weak. I have read a good deal that indicates they don't loose that consistency.

A properly built C4 can take 1000hp, check out Performance Automatic. A C6 uses 4% more power than a C4 and weight is a little heavier.

Expect for a few people to say go powerglide :)
 

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Discussion Starter #4
This combo is going into a 3800lb car.
 

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3800lb pig, and that sort of HP. Either do the C6 (don't like because of valve body lip seal issues and poor aftermarket support) Or go with a TH400 with an adaptor. Your going to need the mass in the hubs to handle the load. The Mighty might C4's are great for high HP light cars. But once you exceed about 2800lbs, your going to trash em fast.

As for a race glide, yup. I run one, but at 2800lbs Im already considerd a behemoth for one. They love little 1500-1800lb bantams.....
 

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Discussion Starter #7
kim said:
3800lb pig, and that sort of HP. Either do the C6 (don't like because of valve body lip seal issues and poor aftermarket support) Or go with a TH400 with an adaptor. Your going to need the mass in the hubs to handle the load. The Mighty might C4's are great for high HP light cars. But once you exceed about 2800lbs, your going to trash em fast.

As for a race glide, yup. I run one, but at 2800lbs Im already considerd a behemoth for one. They love little 1500-1800lb bantams.....
Valve body lip seal issues?? never heard of it care to explain?
 

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I've yet to have an issue with my 'glide at almost 3500lbs and low 9's, but at 3800 I'd say a TH400 or C6 would probably be a good idea if you're going to keep the power down like what you're talking about.

The whole thing about the glide not working in heavy cars is pretty much an Old-Skool myth, as long as you've got enough power to get the thing out of the hole w/o bogging it too bad.
 

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Well put 91mm460. With the right converter, weight isn't the issue it might have been at one time. I looked at Performance Automatic's website, their good C4 dressed out runs about $4700. That buys a glide and a spare. We get over 300 passes out of a set of frictions at a 650 hp. level. They are not bad just feel it's time. Don
 
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