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Re: Balance and rollcages--Yes, do it (archive)

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Posted by JamesM on January 10, 2002 at 14:05:17:

In Reply to: Balance and rollcages posted by Howard on January 10, 2002 at 09:11:41:

The cheapest way to get 250HP and loads of torque into an E30 M3 is to drop an S50 engine in. With the Euro AMM and Jim C chip you get 280HP+ at the crank on stock S50 engines. You add about 50lbs to the front of the car, but no S14 can match the 3.0L displacement and inline-6 smoothness. To get 280crank HP from your S14 you need a Ron Checca or Don Fileds engine at a cost over $10,000 plus core. Then you only get 215lb-ft of torque max. The 240HP S50US puts out 225lb-ft in stock trim.

If you track the car several times a year, get a cage. You will notice the car is stiffer even with a 4-pt bolt in unit. A 6-pt bolt-in is better, and a 6-pt welded cage offers the greatest stiffness. If you roll the car, a 6-pt will prevent the A-pillars (the weakest structure in a rollover) from coming right in toward your head! Many people survive rollovers unharmed, but why risk it?

Most guys wait for months while their 6-pt bolt-in is constructed and shipped to them at great expense. If you're near south-west Virginia, go to Bimmerworld in Radford and have Barry fab up a custom 4 or 6-point. He's done many E30s in the last year, and the client list is growing quickly. He will be doing my E30 M3 in the next couple of months, whenever I can get down there for a couple days.


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