Body rigidity
03-12-2014, 06:06 PM
#1
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Join Date: Jan 2014
Location: Dayton, OH
Posts: 12
Body rigidity
Hey guys, quick question. I was wondering what people have done to stiffen the unibody on our cars. When I turn in steeper driveways I hear creaking from flex, and I can't open my doors when I lift the car. (Yes, I'm lifting it correctly). Just curious what options I have besides a full roll cage. Thanks 
03-12-2014, 06:43 PM
#2
Strut tower braces
braces between your strut towers helps a lot, there are several after market brands
Motorsport! Cusco Strut Bar, Front, 84-89 300ZX - The Z Store! Nissan-Datsun 240Z-260Z-280Z-280ZX-300ZX(Z31/Z32)-350Z-370Z Parts
If your car is sagging that much when you lift it, you must have some major rust ? or something wrong with the uni-body, you can have it reinforced with sections underneath also, which sounds like what you might need.
Motorsport! Cusco Strut Bar, Front, 84-89 300ZX - The Z Store! Nissan-Datsun 240Z-260Z-280Z-280ZX-300ZX(Z31/Z32)-350Z-370Z Parts
If your car is sagging that much when you lift it, you must have some major rust ? or something wrong with the uni-body, you can have it reinforced with sections underneath also, which sounds like what you might need.
Last edited by PredatorZ; 03-12-2014 at 06:56 PM.
03-12-2014, 07:19 PM
#5
parting 84
by this summer I will most likely have my wrecked z31 cut up, the floor pan and rockers are in cherry shape, it was a garaged , never driven in bad weather car until it ended up being my daily. The underneath is so clean, I was amazed how nice the cover is that fully conceals the exhaust, pretty trick kit
07-21-2021, 03:46 PM
#8
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Join Date: Jul 2008
Location: Florida
Posts: 154
Get a free factory service manual at this site below. It has your answer in the "gi" General Information section
XenonZcar.com Z31 1984-1989 300zx Reference
Check out the rest of Xenon's site, Best place to get Z31 info anywhere.
XenonZcar.com Z31 1984-1989 300zx Reference
Check out the rest of Xenon's site, Best place to get Z31 info anywhere.
07-21-2021, 04:55 PM
#9
Registered User
Join Date: Jun 2021
Posts: 3
Thanks for the reply! I already had the manual just hadn't gotten to the right section & by the time I got home son had already raised it by the diff. He's dropping the gas tank in order to drain and clean before putting in a new fuel pump. The cars in some real need of help as it had been abandoned for some 11 years. Again thanks for the info:-)
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280ZX Appearance Exterior, Interior
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