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Canadian Poncho Homepage -> Canadian Poncho -> Beaumont Power Train Tech Forum -> L79 327 in a chevelle beaumont does it have a 3/8 fuel line
Post Info TOPIC: L79 327 in a chevelle beaumont does it have a 3/8 fuel line
beaumontguru


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L79 327 in a chevelle beaumont does it have a 3/8 fuel line
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Does a 1965 L79 chevelle or beaumont have a full 3/8 fuel line from the tank along the frame?



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Beaumontguru

MY BEAUMONT HAS 4 STUDDED TIRES AND 2 BLOCKHEATERS......AND LOTS OF OIL UNDERNEATH.  The other one has a longer roof.
4SPEED427


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I can't prove it but I don't think there was ever a GM car with a Holley that had 5/16" line. The Nova L79 certainly was 3/8".

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

1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
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beaumontguru


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its for sure 5/16 from the fuel pump to the carb and thru the GF90 filter canister,  but i am just not sure of the main line from the tank?

Being an L79 and a 327 a person would think 3/8. 



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Beaumontguru

MY BEAUMONT HAS 4 STUDDED TIRES AND 2 BLOCKHEATERS......AND LOTS OF OIL UNDERNEATH.  The other one has a longer roof.
4SPEED427


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I just had a brainwave and went to the parts book. I've proven it is a 3/8" assuming the parts book is correct which I am quite sure it would be.

The fuel tank sending unit for all 65-67 Beaumonts with 327 and 396 engines is the same. And we know there was never a 5/16" line on a big block.

Now why they would do 5/16" pump to carb I have no idea...

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

1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
beaumontguru


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Looking at these pics i would say 5/16,  but maybe my eyes are wrong



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Beaumontguru

MY BEAUMONT HAS 4 STUDDED TIRES AND 2 BLOCKHEATERS......AND LOTS OF OIL UNDERNEATH.  The other one has a longer roof.
2drpost


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my '68 was 3/8" tank to pump, pump to Qjet



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4SPEED427


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beaumontguru wrote:

Looking at these pics i would say 5/16,  but maybe my eyes are wrong

 The pump outlet in picture #3 certainly looks like 5/16", I agree. It makes no sense though....



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

1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
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