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I purchased this car many years ago without drivetrain. It has a factory 6500 tach, large sway bars/drive shafts & half shafts. It came without A/C and has the original big block hood and frame cutout for balancer. How can I tell if it was a LT-6 or LT-5 originally? Thanks! Jerry
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Free Member
Send PMFrederick, MD - USA
Joined: 9/8/2003
Posts: 3398
Vette(s): 1969 convertible L71 427/435 4-speed black interior
I don't know if there was a difference in tach redline between the LS5 and LS6 big blocks, but based n numbers alone, it's not likely an LS6. There were 5097 LS5's assembled against 188 LS6 equipped Corvettes. The odds are against it being one of those, but never say never. Does it still have an emissions sticker behind the master cylinder or brake booster? That would give some information.
Without the drivetrain and some verifiable documentation, it might be impossible to determine with any certainty.
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Former Member
Send PMMounds View, MN - USA
Joined: 5/24/2007
Posts: 1034
Vette(s): 70 LT1 coupe, 69 350 HP coupe, 69 390HP 427 coupe, 71 LS5 convert, 85 coupe, 93 coupe
I did a bunch of research on mine two years ago. I found that there was no way to tell and LS5 from an LS6 without a tank sticker or other documentation. So make it want you want, and enjoy it.
Larry
Larry
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in Forum: C3 General Discussion
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