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1970 Exhaust tips

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Old Jan 11, 2008 | 08:36 PM
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Terry Lanham's Avatar
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Default 1970 Exhaust tips

I have a pair of 1970 exhaust tips that need restoration. The endcaps and pipe section needs to be replaced and I dont know the demensions of the pipe section. I want to restore to original, does anybody know the deminsions or know of someone who has the ability to restore mine.

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Terry
terry70lt1@aol.com
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Old Jan 12, 2008 | 05:47 PM
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Terry,
Have you thought about posting your question on the NCRS tech board? You might get some direction there. As for the pipe size, I think I'd try to find a car with some 'known' originals to measure.
Regards,
Alan
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Old Jan 13, 2008 | 09:02 AM
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Thanks,

I will try the NCRS Tech board, I dont know of any original 70 LT1's around Louisville KY
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Old Jan 13, 2008 | 10:00 AM
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If you mean 'restore' as in putting back to exact original condition, I'd say you're throwing good money after bad.

70-73 tips were made of low carbon steel with poor quality plating on top. Exhaust gas is quite corrosive, so very few true original tips have survived to today. Yours might well be replacement parts- which are different from production line parts.

Unless you know yours are the ones that came from St. Louis, and you are going for a 100% perfect car (with cost be damned), you're better off buying current replacement parts.
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Old Jan 13, 2008 | 10:20 AM
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Originally Posted by Mike Ward
If you mean 'restore' as in putting back to exact original condition, I'd say you're throwing good money after bad.

70-73 tips were made of low carbon steel with poor quality plating on top. Exhaust gas is quite corrosive, so very few true original tips have survived to today. Yours might well be replacement parts- which are different from production line parts.

Unless you know yours are the ones that came from St. Louis, and you are going for a 100% perfect car (with cost be damned), you're better off buying current replacement parts.


Check with the NCRS guys to see if the ones from Paragon will pass NCRS scrutiny.

Paragon:
http://www.corvette-paragon.com/cata...3-D365141D84DC
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Old Jan 13, 2008 | 10:33 AM
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Definitely buy new ones if available.
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Old Jan 13, 2008 | 10:43 AM
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Originally Posted by jim2527


Check with the NCRS guys to see if the ones from Paragon will pass NCRS scrutiny.
They won't- the stainless steel construction is a dead give away. There's no parts- other than the original assembly line parts- that don't get a deduct. That includes the GM over the counter replacement parts, as they have a different weld config and a stamped part number.

Even if the the OP's tips are the originals, trying to restore them to factory original condition will be very very difficult and extremely expensive.
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