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Old 04-01-2007   #53
MunsonGTA
Bad luck or no luck
 
Join Date: Jun 2004
Location: Ravenna, OH
Posts: 1,948



GTA Year: 1987
GTA Engine: Custom
Re: Bad vibration when down shifting

Quote:
Originally Posted by HARRYS91GTASLP
Munson, correct me if I'm wrong, but the Control Arms have two(2) attachment points: The front bracket attaches to the frame of the car, and the rear bracket attaches to the Axle, correct? If that is true, and extending or shortening the length of the panhard bar moves the body right or left, then the control arms would prevent the body from moving, correct?
you are correct about the attachment points. i've just never heard of anybody having to reweld the lca brackets on the axle side from adjusting the panhard bar. maybe you should do a search over at thirdgen.org and see what those guys have to say about it.
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87 GTA: Forged 408 LSX short block, TEA stage 2 cnc ported 243 heads, BTR Stage 3 stroker cam, Fast 102 intake, NW 102 TB, Longtube headers, custom 411 ECM, custom harness, custom tuned, Performabuilt stage 2 4l60E with PTC 2800 stall, 9 bolt rear with 3.70 gears and TAP girdle.

11.16 at 123 mph.
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