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05-25-2010, 09:37 AM
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#1
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Join Date: May 2006
Location: Midland Park, NJ
Posts: 1,389
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Who welds on cars?
I bought some weld on LCA brackets for my 2002 Z28. My brother has a TIG welder. If I grind off a spot on the rear for the clamp do I have to disconnect the negitive battery cable or PCM before we strike an arc?
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05-25-2010, 09:42 AM
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#2
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Join Date: Nov 2008
Location: hamilton nj
Posts: 266
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we disconected the batt when we did the cage in my car
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95 camaro z28 six speed 13.1 @ 106mph N/A
slp mid tubes, hooker 3" cat back with cut out, moroso cai, holly 58mm tb, eibach drag launch springs, kyb agx shocks, lakewood lca's, brand x 100 shot
stroker build this winter
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05-25-2010, 09:46 AM
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#3
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Join Date: May 2006
Location: Midland Park, NJ
Posts: 1,389
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guess it couldnt hurt right...
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05-25-2010, 09:46 AM
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#4
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Join Date: May 2010
Location: Brick, NJ
Posts: 1,868
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u might want to...there is an abs sensor in the rear
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Formerly known as blk95formula
86t/a_ram_air on TGO
2018 Silverado 1500
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05-25-2010, 09:54 AM
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#5
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Join Date: Nov 2008
Location: hamilton nj
Posts: 266
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whats the worst that'll happen if you disconnect it? reset the clock? better safe
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95 camaro z28 six speed 13.1 @ 106mph N/A
slp mid tubes, hooker 3" cat back with cut out, moroso cai, holly 58mm tb, eibach drag launch springs, kyb agx shocks, lakewood lca's, brand x 100 shot
stroker build this winter
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05-25-2010, 09:56 AM
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#6
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Ayatollah of Rock N Rolla / Admin
Join Date: Mar 2006
Location: Parts Unknown
Posts: 12,573
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Quote:
Originally Posted by z28rob18
whats the worst that'll happen if you disconnect it? reset the clock? better safe
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Yup. It's easy enough to disconnect.
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05-25-2010, 09:57 AM
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#7
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,941
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Quote:
Originally Posted by z28rob18
whats the worst that'll happen if you disconnect it? reset the clock? better safe
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PCM relearn. Which sucks on my car. But yea, other than that, simple insurance.
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Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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05-25-2010, 08:18 PM
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#8
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11 second club / Moderator
Join Date: Aug 2004
Location: West Berlin, NJ
Posts: 7,148
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Disconecting the battery is a good thing to do. i use this when welding on my car at work.
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2001 Trans Am WS6 •SLP Loudmouth II •UMI Suspension •12.857 @ 109.57
1996 Trans Am WS6 •Pacesetter Longtubes •Strange 12 Bolt •Spohn Suspension •11.152 @ 123.85
Last edited by deadtrend1; 05-25-2010 at 08:19 PM.
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05-25-2010, 09:35 PM
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#9
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Join Date: Aug 2007
Location: Piscataway, N.J.
Posts: 1,729
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The instruction sheet from ALSTON Racing recommends that you disconnect the battery (before you weld on the SBF) to prevent a spike from cooking the computer. 
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1991 FORMULA 350-GONE BUT NOT FORGOTTEN
1 of 1,197 with L98 Option/13.79@100 mph
1994 25th ANNIVERSARY TRANS AM GT -1 of ONLY 2,000 made/ Only 128 made with a HURST 6-Speed Manual and 91 with T-Tops and Compact Disc/ K & N Filtercharger/Magnaflow Performance Muffler/Air Foil- ORIGINAL MINT Arctic White Ultra Rare SURVIVOR. DAYTONA 500 PACE CAR Decal Kit!
SOLD: 1989 Turbo T/A in 1991 it ran 12:18@115 mph
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