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03-25-2014, 09:47 PM
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#1 |
 
Drives: 2012 45th 2ss Join Date: Aug 2013
Location: Iowa
Posts: 102
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Confused on tourque specs. BMR/PEDDERS??
Ok I did my 1" BMR spring kit last week and i am now confused on the specs. In the instructions it has all the specs for the bolts for when timing the bushings. But.... in doing this it seemed to me that the specs were way to light in spec. so i pulled out my pedders tourque spec sheet and they are both different. Pedders says to put an extra 120 deg after initial tq on some of the bolts. Now this seems better to me. as for example the tq spec from bmr for the lower control arm bushings is 32 ft lbs for both bushings, and pedders says it is 85 ft lbs for the inner and 30 ft lbs for the outer with an extra 120 deg. Makes me wonder who to believe?
Any thoughts?  Thanks Rob
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2012 45th M6 Coupe, Stock internals,Cam/springs,ARH 1 7/8 cat delete,Flowmaster american thunder Cat back, 3:91 gears and K&N Cold air kit. 484 RWHP 454 TQ.Acs body kit,Bmr 1" springs,Vfn copo hood going on soon! Tuned by Speed Inc. Dss 3 1/2 aluminum shaft, Dss 1000hp level 4 shafts, Eaton True Track.
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03-26-2014, 12:44 AM
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#2 |
           
Drives: 2017 2SS M6 Join Date: Jun 2013
Location: WNY
Posts: 7,071
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the Peddlers specs are if you are using new GM bolts. these are torque to yield bolts. The BMR specs are for if you are using the old bolts. Its best to use new bolts. there cheap to buy. The GM bolts stretch on when you degree them.
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real ZL1 wheels and brakes, 285/305 Michelin Pilot Super Sports, Pray ported Intake manifold, Soler Throttle Body, Rotofab intake, EFI Tuning Flex fuel kit, full American Racing Headers Exhaust, 1 7/8" w/ cats H pipe and mufflers. Full 1LE suspension, with BMR adjustable sway bars and links, GM aluminum cradle bushings, Hurst shifter with lighter reverse spring, TWM shifter knob, Tick level 1 transmission. I should have bought a ZL1
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