The PRO's of installing a intake spacer on 94-98 V6's - Mustang Evolution

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Old 03-14-2005, 03:00 PM   #1
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The PRO's of installing a intake spacer on 94-98 V6's

Here is something to consider. If you are building your engine up whether doing heads and cam or just adding roller rockers a phenolic intake spacer is a wise decision.

If you have a intake spacer you do not have to take the upper intake off to get the driver side valve cover off. This will save you time and trouble if you have to go in and readjust rocker arms.

Now saying that there are people on both sides of the usefulness of intake spacers on a V6. I have seen the data and I believe they provide a decent barrier against engine heat transfering to the upper intake. This provides some lower temps in the air charge in the plenum. The actual gains in HP might be small and not worth it to some. But on a purely mechanical level they provide for easy access to the drivers side valve cover.

Just my take on it!!!
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Old 03-14-2005, 03:13 PM   #2
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I was looking at a 3/8ths spacer myself
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Old 03-14-2005, 03:53 PM   #3
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i wouldnt mess with one... to much hassel for nothing and you may get a leak from it.
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Old 03-14-2005, 04:14 PM   #4
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Quote:
Originally Posted by SpectorV
i wouldnt mess with one... to much hassel for nothing and you may get a leak from it.
You have a 99 which has so many potential holes to leak. But I am confident in my mechanical abilities to install one and not leak!!!!

So that is a moot point
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Old 03-14-2005, 04:24 PM   #5
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I love my 3/8" phenolic spacer. I dont care about the debates, I like it.

I just wish I had saved the jpg of the EE dyno tests... but I believe they're gone forever.
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Old 03-14-2005, 04:26 PM   #6
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Quote:
Originally Posted by Rellik
I love my 3/8" phenolic spacer. I dont care about the debates, I like it.

I just wish I had saved the jpg of the EE dyno tests... but I believe they're gone forever.
They are not still on 3.8 or V6power I know they were posted at one time.
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Old 03-14-2005, 09:18 PM   #7
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I agree with Corey, but also if one has a heavily ported upper intake
the spacer may not do anything, or less than an un-ported intake.
I read a very detailed article by David Vizard and he explained heat
transfer in such a way that proves that anything you can do for
reduced heat transfer will help below 3KRPM's give or take. He is
much more well educated than the sceptics and he is right.

I firmly believe though that well-ported uppers pretty much nullify
the spacer's effectiveness. Maybe not 100% but a fully ported
upper has lots less heat transfer due to smoother internal surfaces.
I had a dyno (Josť still does have it) that showed the Stage 3 giving
a nice torque boost up to 2500, dead even after that and gaining again
after 4500 RPM or so. The low end boost must have been due to the
internal polishing, because the runners were shorter and that is supposed
to move the torque curve upward. This was a Stage 1 vs. a Stage 3 dyno.

Vizard states that at RPM ranges above ~3K, the air is not in the intake long
enough for significant heat transfer, and therefore the intake charge heating
is minimized at higher RPM's.

DV rules
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Old 03-15-2005, 10:53 AM   #8
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Quote:
Originally Posted by Danger Dude
They are not still on 3.8 or V6power I know they were posted at one time.
I looked for those too.... but couldnt find any.
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Old 03-15-2005, 11:20 AM   #9
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Quote:
Originally Posted by Rellik
I looked for those too.... but couldnt find any.
I have also search everywhere and to no such luck.
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Old 03-15-2005, 12:52 PM   #10
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they used to be on 3.8 everywhere but i dont think they are anymore
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Old 03-15-2005, 01:33 PM   #11
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More proof that intake heat reduction is a geat idea:




They are making entire intake manifolds from the stuff,
also the Corvette LS1 is plastic, and so is the 4.6 Mustang
intakes... heat reduction WORKS and OEM's are doing it too!

Here's a link to some new neat stuff! New Stuff including the manifold above ^^^
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