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Forum: General Fuel Topics

09-25-2009, 04:10 AM

Replies: 48

performance exaust, mpg increase?

Views: 6,387

Posted By theholycow

I had a Ford 460 that had to be replaced after...

I had a Ford 460 that had to be replaced after that happened.

Actually, now that you remind me of it, I can't remember which came first...failing oil pressure (gauge needle flickered end-to-end so...

Forum: General Fuel Topics

09-21-2009, 03:59 PM

Replies: 48

performance exaust, mpg increase?

Views: 6,387

Posted By theholycow

It never occured to me to hack my exhaust like...

It never occured to me to hack my exhaust like that. Considering my budget, I might just try that on Christine...

Forum: General Fuel Topics

09-21-2009, 02:57 PM

Replies: 48

performance exaust, mpg increase?

Views: 6,387

Posted By theholycow

It seems to me that cars used to almost all need...

It seems to me that cars used to almost all need exhaust repairs during their normal service life; everyone had to go the muffler shop occasionally. With the proliferance of stainless steel (and...

Forum: General Fuel Topics

09-21-2009, 07:42 AM

Replies: 48

performance exaust, mpg increase?

Views: 6,387

Posted By theholycow

LOL, I just realized I'm repeating myself, that...

LOL, I just realized I'm repeating myself, that I've already said a lot of that in this thread.

There have been some decent arguments for certain types of exhaust construction (not merely shoving...

Forum: General Fuel Topics

09-21-2009, 07:37 AM

Replies: 48

performance exaust, mpg increase?

Views: 6,387

Posted By theholycow

10mpg is a lot for me to believe for anyone, but...

10mpg is a lot for me to believe for anyone, but it's easier to believe in gains when we're talking about people who spend a lot of time at 6000RPM. My thoughts about utilization of the exhaust...

Forum: General Fuel Topics

09-21-2009, 02:41 AM

Replies: 48

performance exaust, mpg increase?

Views: 6,387

Posted By theholycow

I have no personal experience, nor a thorough...

I have no personal experience, nor a thorough understanding of the theory involved; but my understanding is that the backpressure thing is a myth that exists because people have observed the...

Forum: General Fuel Topics

09-05-2009, 02:58 AM

Replies: 48

performance exaust, mpg increase?

Views: 6,387

Posted By theholycow

I think the federal law about that stuff does...

I think the federal law about that stuff does cover piping through your cat.

Forum: General Fuel Topics

08-25-2009, 09:00 AM

Replies: 48

performance exaust, mpg increase?

Views: 6,387

Posted By theholycow

I thought that common motorcycle exhaust...

I thought that common motorcycle exhaust configurations were made specifically for the purpose of being loud.

That's a concept that I often suggest on intake and exhaust questions. Major auto...

Forum: General Fuel Topics

08-24-2009, 06:01 PM

Replies: 48

performance exaust, mpg increase?

Views: 6,387

Posted By theholycow

I have a link in my sig to a good discussion...

I have a link in my sig to a good discussion about exhaust.

IMO, if you're driving for economy then you'll never measure a difference between a stock exhaust and a performance exhaust. Stock...

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