nitrouskris
20+ Year Contributor
- 740
- 9
- Jun 7, 2002
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BadLands,
New_Jersey
FWIW I ended up building my cage from scratch. Used mild steel to NHRA spec 1 5/8 o.d. x .118. This was in an 86 rx-7 but I believe the dimensions and cage would be very similar.
Used a cardboard template for the "hoop" . Then took that to the chassis shop and had them bend it. THe rest was straight stock. All materials and bending labor were around $300. If your handy with a mig/tig and have the time it makes for a good winter project. If not the kits are the way to go IMO.
mild steel is heavier the moly and the dimensions are not similar. word to the wise if you are going to put a cage in a car that you will be going in and out of it is best to have one BUILT for your car so that YOU ,your SEAT, will fit perfect. moly is also alot easier to work with
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