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post #1 of 3 (permalink) Old 08-03-04, 06:34 AM Thread Starter
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Headers, exhausts and engine numbers

Hi guys I need some help with my exhaust. I have a set of headers and twin pipes waiting to go on my 1967 Fairlane. It's got a 302C with a 2-barrel carby at the moment. The headers are alright, but the twin pipes are 2 1/2 inch from the headers with a single muffler on each pipe. I was wondering if the pipes are too big for the engine.

Also i've been following the debate on the engine numbers, and I can't seem to find out where or what my engine is out of. It goes JH34NK****K. According to the website, this would be out of a XY fairmont and it's a 351 4V?? Can anyone help me out here, I would realy appreciate it!!

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post #2 of 3 (permalink) Old 08-03-04, 03:53 PM
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Re: Headers, exhausts and engine numbers

Quote:
Originally Posted by singlejayce
Also i've been following the debate on the engine numbers, and I can't seem to find out where or what my engine is out of. It goes JH34NK****K. According to the website, this would be out of a XY fairmont and it's a 351 4V?? Can anyone help me out here, I would realy appreciate it!!
You're right about the Fairmont bit - that's the 34. JH means it was a Brisbane-made car. NK means October 1973, so that puts it into XA territory, I think. Perhaps XB?

The final K doesn't mean anything about the engine, sadly. For that, if the engine number matches your chassis number (if original, it will) you'll have to look at the chassis plate on the firewall of the engine bay, passenger side. There will be Transmission, Engine, Trim and Paint codes. Then go here: http://www.falcongt.com.au/ID.html and find out which engine you have.

If your numbers DON'T match, there are 2 ways to tell if it's a 302 or a 351. First, remove a spark plug and shove a clean dipstick down into the bore. Measure how far down the stick goes until you hit to top of the piston. When the piston is at BDC, 3 inches - 302, and 3.5 inches = 351. Failing that, take the engine to bits and it'll tell you as you go. :)
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post #3 of 3 (permalink) Old 08-03-04, 06:17 PM Thread Starter
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Re: Headers, exhausts and engine numbers

hmm, I need the car for daily driving, so I'll probably do the dipstick test. The only reason the engine is coming apart is if I blow it or blow it up!!
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