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Canadian Poncho Homepage -> Canadian Poncho -> 65-70 Full Size Power Train Tech Forum -> 1965 B body tailpipe exit question. Opinion.
Post Info TOPIC: 1965 B body tailpipe exit question. Opinion.
cdnpont


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1965 B body tailpipe exit question. Opinion.
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On a 65 CP 327 300HP V8, where and how would the tips exit if they extended all the way to the back?

Would they look and be positioned similar to the 65 Impala seen below, less resonators? 

1965-chevrolet-impala (1).jpg

The pipes I have kind of exit a little way back from the WW opening. Stealthy. It might grow on me leaving them this way (of course after cleaning them up and painting them).

Would this be considered the stock side exit style?

What do you think?

inst.jpg

 



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 67 Grande Parisienne 4 door HT. 69 Parisienne Convertible.
 
73SC


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I think the set up with exits behind rear wheels is the way to go for a base car with big horsepower. In fact I'd say you nailed it. I have a supply of Eastwood exhaust paint that I use in all my cars and it keeps them looking fresh and rust free.  Of course avoid over spray on other chassis parts

 

I do not remember rear exits on 65 Strato Chiefs and Laurentians, seems to me they were exiting behind rear wheels like you have. 



-- Edited by 73SC on Friday 28th of August 2020 01:57:52 AM

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gparis7


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73SC wrote:

I think the set up with exits behind rear wheels is the way to go for a base car with big horsepower. In fact I'd say you nailed it. I have a supply of Eastwood exhaust paint that I use in all my cars and it keeps them looking fresh and rust free.  Of course avoid over spray on other chassis parts

 

I do not remember rear exits on 65 Strato Chiefs and Laurentians, seems to me they were exiting behind rear wheels like you have. 



-- Edited by 73SC on Friday 28th of August 2020 01:57:52 AM

 My 283-equipped 65 Parisienne convt had tailpipes exiting behind the rear wheel. I think tat's the right look for this car too. 



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cdnpont


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Thanks guys. While I'd like rear exits, keeping them as is will be some less work to do. I'll clean them up, paint them, remount them nice and even, tuck up the tips so you just see them.

The challenge here is hangers. I have two HD universals that will work well at the mufflers with a little modding, but nothing figured for the tails yet.

 



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 67 Grande Parisienne 4 door HT. 69 Parisienne Convertible.
 
73SC


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I see what you mean about hangers, even the straight back has a hanger near the rear of the car. That frame rail that the pipes crossover may be a mounting point for something you can fab up.

The rusty mark on the pipes seems to indicate where previous owner had a C clamp and hanger installed



-- Edited by 73SC on Friday 28th of August 2020 09:57:01 AM

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cdnpont


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I now have 4 of these HD universal brackets, should be able to adapt them to the 4 hanging positions.

they can swivel in 2 axis.

brack.jpg



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 67 Grande Parisienne 4 door HT. 69 Parisienne Convertible.
 
73SC


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NIce pieces!



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oshawacliff


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Even the metal hanger has slotted holes for getting a precise location. Wrench on!!

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gparis7


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cdnpont wrote:

I now have 4 of these HD universal brackets, should be able to adapt them to the 4 hanging positions.

they can swivel in 2 axis.

brack.jpg

 I have used these hangers. You can make them work. 



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Glenn Musgrave


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My son and I have a similar debate about where to exit the tailpipes on the 62. I know factory they exited out the side behind the rear wheels. I also remember my Dad complaining it was the reason why the quarters would rot out. Could he have been wrong and it the salt in Atlantic Canada? My son prefers the out the back look. I guess the guy who is paying will have to make a decision:)

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Canadian Poncho


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I suppose the tailpipes didn't help as they'd warm up that area of the quarter panel over 0 degress which allows corrosion to start plus the condensation from the exhaust was acidic.

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Pontiacanada


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Canadian Poncho wrote:

 plus the condensation from the exhaust was acidic.

 Yep ... vapourized acid.



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4SPEED427


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Mark, if you leave them exiting behind the wheels (which in my 2 cent opinion looks the best) don't leave them with the full round end like the muffler shops always do. Please please please make the cut on the bottom of them like the factory did. 

20200830_171322[1].jpg



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cdnpont


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Mine go way further back than your's Carl. I'm not sure I like the look. Might carry them all the way back. Will post pictures for opinions.



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4SPEED427


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Personally I think your's look great, just give them that little flat cut along the bottom.

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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles 

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CdnGMfan


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73SC wrote:
...

I do not remember rear exits on 65 Strato Chiefs and Laurentians, seems to me they were exiting behind rear wheels like you have. 



-- Edited by 73SC on Friday 28th of August 2020 01:57:52 AM

 That is because nearly all were 283s. The rest were sixes biggrin

 

I could believe the long tailpipes with the rear exits, using resonators on dual exhaust versions with 300-horse 327s or 340-horse 409s. Probably short duals with behind-the-tire exits on the hottest 409s, I'd be curious to know. Anybody have a '65 Assembly Manual or Master Parts Catalogue? Or an exhaust system card with all the bends & dimensions?



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