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Old 01-07-2011, 04:40 PM
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Model A Exhaust

hey guys I am building a 1931 tudor sedan that is pro street and full fendered under stock width fenders. I am running an all stainless 2.5 inch exhaust system. The problem is I don't really have the room to go over the rear end and I don't want to run dumps. I see alot of people go under the rear end on these but I am not sure how close to go to the housing so that it doesn't get hit. I am running a art morrison ladder bar kit with coilovers. what is the potential down travel any ideas? thanks alot

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Old 01-09-2011, 08:35 AM
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Maybe you could post a few pics along with your question, so as to help paint a clearer picture of the build in question. Thanks
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Old 01-09-2011, 10:43 AM
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what is the potential down travel any ideas?
Ayuh,... Measure the clearance with the car at rest,...

Then jack it up til the tries are off the ground, 'n Remeasure...

That's the clearance ya need...
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Old 01-09-2011, 10:49 AM
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How bout if the exhaust exits in front of the back tires?
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Old 01-09-2011, 10:52 AM
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How 'bout a '31 with a '32 gas tank for closeness. That's a 9" hung with a TCI coilover 4 bar suspension. The pipes are 2-1/4

Lots of room!!!! That is as long as you don't try to go over the axle

Dave W
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Old 01-09-2011, 09:00 PM
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I have run A sedans since 1980. The current configuration is a street-strip full fendered 29 Tudor with a Dana 60 rear, TH 350, and 4:71 blown SBC which runs 11.20's in the quarter and idles safely to the supermarket on errands. For exhaust, we welded in a "Y'" just rear of the header flange. When I drag race, I can bolt in an open exhaust flange that runs along, and then behind, the running boards on either side. The "street" exhaust runs, similarly to what already has been very helpfully depicted in the earlier photos, beneath the rear axle.
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