Intake manifold gaskets…how bad are these?

The manifold has already been lifted, so in goes the new ones!

EricVonHa said:

The manifold has already been lifted, so in goes the new ones!

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X2^


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^^^YUP, YUP,YUP^^^

I'll 4th that ^ ^ ^

Judging by the responses there are some members here that know about such things...What would be the best replacement gasket set for this? Felpro?

FelPro (Federal Mogul) is an OEM supplier to many vehicle manufacturers. So are Mahle and Victor-Reinz - plus others. "AC Delco" is a re-box of any of the above - depends on which has the contracts this year.

Submariner409 said:

FelPro (Federal Mogul) is an OEM supplier to many vehicle manufacturers. So are Mahle and Victor-Reinz - plus others. "AC Delco" is a re-box of any of the above - depends on which has the contracts this year.

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Thanks, hoping not to have to deal with this in the near future, but it's good to know...

Nice! That's a 10hp mod for sure!

When you put the intake on. Lube the gasket material on the new intake gasket lightly with oil. It will help them seat. And as you torque the intake down they won’t stretch or fold over..as you tighten the intake.


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G3_ESV said:

Luckily FelPro was locally in stock, so I grabbed a new one and installed. Cad-driver…removing the intake manifold was actually easy and straight forward. In fact, changing the plugs and wires was more of a pain in my ass.

Before
View attachment 606417

After, even polished the fuel rails and bridge.
View attachment 606418

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Great job! You're right about the plugs and wires...not like the good old days of the 327 in the 67 Camaro! It was easy to do any thing on that car!

Cad-driver said:

Great job! You're right about the plugs and wires...not like the good old days of the 327 in the 67 Camaro! It was easy to do any thing on that car!

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My grandpa used to tell me how they sat in the engine bay on older cars. How nice would that be?

I shouldn’t complain…after all the LQ9 is just massive.

G3_ESV said:

My grandpa used to tell me how they sat in the engine bay on older cars. How nice would that be?

I shouldn’t complain…after all the LQ9 is just massive.

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There actually is quite a bit of space, but really kind of "down in there" to work on and reasonably fixable for the determined home mechanic...

I should have added this to the reply...THANK YOU to the administrators of this forum! I would not be able to maintain my vehicle as I have without CadillacForums!! Thanks again!

RS

The Moderators are all gearheads, too. It's tough to wear the two hats sometimes.

Submariner409 said:

The Moderators are all gearheads, too. It's tough to wear the two hats sometimes.

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Thanks Again!

So, how's this beotch run now? Idles like a Lexus commercial with a wine glass on top of the manifold and it doesn't fall off?