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Old 01-02-2004, 08:15 AM
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DAVID GAGNARD DAVID GAGNARD is offline
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Join Date: Jan 1999
Location: MARKSVILLE,LA.,,
Posts: 3,235
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That was going to be my next question.....

I do a few (3 to 5) open tracks a year with my Mustang,making some upgrades this winter,racing tires,brakes,racing seat,etc.etc....

Local machine shop that does my enigne work just got a pipe bender like the muffler shops use,bought it from a shop going out of business,dirt cheap.... He also bought most of the stock of exhaust pipe,from 1.75 inch to three inch,got a truck load of the stuff.....

He has offered to make me some tailpipes that will come out in front of my rear tires for FREE. Right now I have the Dr. Gas X crossover system with mufflers and tailpipes coming out the rear of the car... The idea was to take off my mufflers and tailpipes (takes about 10 minutes) and put on the straight tailpipes (2.5 inch diameter) for open track events....Running an iron headed 351-W,making about 350 hp....My question was how if any will it affect my air/fuel ratio without mufflers?????? I'm running a Holley 600 DP,jets are 64 front and 74 rear I think,a tad rich at idle and low speed,but just right at highway speeds and on the track....

Also will it be worth the 10 minutes of work to remove the mufflers,they are rather large flat type from an early 80"s Ford LTD??????

I kinda would like to make some "noise" at the track anyway......

David
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