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Author Topic:   metric gear box
Dirt Maniac

Total posts: 174
posted September 28, 2001 12:59 PM UIN: 54865418
i talked to a modified chassis builder today about selling him a stub and he said he would give $25 more for one with the o-ring top gear box instead of the one with 4 bolts on the top just curioes what the difference is in them i alway heard to use an iroc gear box is that what he's looking for never knew there were diferent gear boxes on metric cars

Dirt Maniac

Total posts: 103
posted September 29, 2001 11:34 PM
I believe that the oring type are a little lighter.

Dirt Freak

Total posts: 223
posted September 30, 2001 03:56 AM
6 pounds lighter.........they are on 78
Monte Carlo They are also too light for a heavy street stock....just a bang in the wheel and they break inside.

Dirt Full Roller

Total posts: 36
posted September 30, 2001 03:25 PM
your IROC boxes are really the same box with a different gear set to quicken the steering. Most of the older GM boxes clear back to the mid 60's chevelle interchange. I have one in my '67 street car that is 2 1/4 turns lock to lock, and bolted right in.

The metric boxes do not interchange directly with the older ones. The O-ring pieces are light duty, light weight and not reliable especially on rough tracks or in heavy cars. Some parts you should just not trade pounds for pounding.


Dirt Maniac

Total posts: 174
posted October 01, 2001 01:54 AM UIN: 54865418
thanks guys i looked tonite and the car i'm running has the o ring and the frame has a 4 bolt may switch them get a little more cash in my pocket lol

Dirt Roller

Total posts: 12
posted October 02, 2001 08:20 AM
I've run the Saginaw 605 (the o-ring top) in my IMCA stockcar for 2 years now. No problems.

Also, I started out with a reman'd box from O'Reilly's and I replace it every winter. (Lifetime guarantee)...

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