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Author Topic: exhaust manifold to down pipe  (Read 15045 times)

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GTRS Fiero

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Re: exhaust manifold to down pipe
« Reply #15 on: November 04, 2019, 07:50:53 pm »
Fierofool has some pic on here of his, but you can see a pic of mine in this month's newsletter.

Mine is at a stock length.  Mine is an '88, and yours isn't, but that is adjusted way out.
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Sandman87

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exhaust manifold to down pipe
« Reply #16 on: November 04, 2019, 07:52:40 pm »
sub frame is on jack stands at the moment maybe thats why ?

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Mike

GTRS Fiero

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Re: exhaust manifold to down pipe
« Reply #17 on: November 04, 2019, 07:56:54 pm »
If the subframe is bolted in place, it should not matter.
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Sandman87

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exhaust manifold to down pipe
« Reply #18 on: November 04, 2019, 08:04:05 pm »
Yes sub frame is all bolted up to the body .I had no issues trying to get any engine mounts where the subframe aligned everything fit perfectly
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Mike

Fierofool

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Re: exhaust manifold to down pipe
« Reply #19 on: November 04, 2019, 08:07:08 pm »
There is no difference in the dogbone relation to a 2.8 and 3.4.  The blocks are all drilled identically and all ancillaries bolt in the same place.  The dogbone bolts should closely line up with the engine and transmission sitting on it's 3 mounts.  If you have to force the engine forward or backward very much to get the last dogbone bolt in place, you're putting stress on the mounts.  A little bit of misalignment is normal, but I don't think you'd want an inch out of alignment. 
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GTRS Fiero

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Re: exhaust manifold to down pipe
« Reply #20 on: November 04, 2019, 08:07:24 pm »
When you tighten, do not pull by the manifolds.

In theory, you could measure between the centers of the exhaust manifolds, then compare to the distance between the centers of the corresponding ports on the Y-pipe.
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GTRS Fiero

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Re: exhaust manifold to down pipe
« Reply #21 on: November 04, 2019, 08:09:59 pm »
Why does it look as if there rust fractures in one of the pics?

« Last Edit: November 04, 2019, 08:40:57 pm by GTRS Fiero »
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Sandman87

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Re: exhaust manifold to down pipe
« Reply #22 on: November 04, 2019, 08:14:09 pm »
where do you see that ?
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Mike

Sandman87

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Re: exhaust manifold to down pipe
« Reply #23 on: November 04, 2019, 08:16:17 pm »
i had the flash on you mybe seeing a shadow. i didnt see any rust on the subframe .there is some on the oil pan though
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Mike

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Re: exhaust manifold to down pipe
« Reply #24 on: November 04, 2019, 08:40:44 pm »
Quote from: Sandman87 on November 04, 2019, 08:14:09 pm
where do you see that ?

Look toward the bottom of the pic above.
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GTRS Fiero

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Re: exhaust manifold to down pipe
« Reply #25 on: November 04, 2019, 08:41:41 pm »
Quote from: Sandman87 on November 04, 2019, 08:16:17 pm
i had the flash on you mybe seeing a shadow. i didnt see any rust on the subframe .there is some on the oil pan though

This rust can easily be fixed.
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