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exhaust block off for exhaust manifold dual exhaust

Old July 20th, 2016, 11:37 AM
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exhaust block off for exhaust manifold dual exhaust

Factory piece as used on w31 rallye 350 and 72 442 cutlass with duals.
SOLD AS IS

$30 shipped to lower 48
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Old July 20th, 2016, 11:42 AM
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That was used on all 350 cars with N10 Dual Exhaust option.

Last edited by Fun71; July 20th, 2016 at 11:45 AM.
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Old July 20th, 2016, 11:46 AM
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Would also work on 330 engines with dual exhaust
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Old July 20th, 2016, 12:55 PM
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I was trying to figure how to say dual exhaust cars excluding big blocks with W/Z manifolds and didn't do a very good job of it.

Last edited by Fun71; July 20th, 2016 at 12:59 PM.
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Old July 20th, 2016, 01:00 PM
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I would think you could make this work on a 400 425 455 that had been single exhaust


Modification may be needed????
My druthers would be

W and Z for dually on a large

Thanks 4 playing
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Old August 1st, 2016, 06:53 PM
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hack

twenty five dollars
shipped to lower 48
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Old August 5th, 2016, 08:38 AM
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Are these installed on the exhaust port for the intake?? I have a 350
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Old August 5th, 2016, 09:39 AM
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This part is installed on pass side exhaust manifold to cap where the cross over pipe would attach on a single exhaust car.
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Old October 25th, 2016, 02:48 PM
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Originally Posted by 11971four4two View Post
This part is installed on pass side exhaust manifold to cap where the cross over pipe would attach on a single exhaust car.
Even though I have an edlebrock intake? I also have hooker headers as well.
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Old October 25th, 2016, 04:04 PM
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Not sure, but don't the Big block have wider distance between studs?
Alex72, if you have headers, it ain't for you. This is not a blockoff for the intake passageway.
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Old October 25th, 2016, 07:21 PM
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sending PM
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Old October 25th, 2016, 07:27 PM
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I'll take it . Sending you a PM

Bruce
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Old October 25th, 2016, 08:44 PM
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Ding Ding Ding!
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Old October 27th, 2016, 03:52 AM
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Yea, that what I had figured. Thanks!!
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Old June 3rd, 2019, 11:36 AM
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Have to wonder, ask, why could not one modify the crossover pipe to work? Cut it and cap it on the driver side and reroute it on the passenger side to the underside of the chassis?
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Old June 3rd, 2019, 11:53 AM
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That is then all in the hands of the artisan


buy a new flange and weld a cap on THAT

Cheers
b


OR buy the correct part in used condition

SOLD

Last edited by 11971four4two; June 3rd, 2019 at 12:31 PM.
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