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Author Topic: 'Y' pipe  (Read 14682 times)

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Roger

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'Y' pipe
« on: August 14, 2016, 06:17:23 pm »
Please can someone explain the definitive difference between the '87 and '88 exhaust 'Y' pipe?
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Fierofool

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Re: 'Y' pipe
« Reply #1 on: August 14, 2016, 06:41:54 pm »
The 88 pipe was moved away from the engine by a few inches, but the main difference is that the down pipe approaches the head pipe flange at a different angle.  The two years won't bolt together.  I think the 88 down pipe may also be a little shorter.  That's what I remember Ashby telling me.
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Roger

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Re: 'Y' pipe
« Reply #2 on: August 14, 2016, 08:23:01 pm »
So how do I tell the difference between the two?
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Fierofool

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Re: 'Y' pipe
« Reply #3 on: August 14, 2016, 08:53:43 pm »
The 88 will have the dimpled heat shield.  Should the shield be missing, the egr valve base will be tipped to the drivers side on about a 45° angle.  85-87 egr valves stand more upright.

The 88 Oh-2 sensor points to the rear of the car, just above the flange while earlier sensors point toward the passenger side.
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