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#715818 - 06/02/05 05:49 AM Re: Jig-Rigging a4.6L Intake Manifold(mine is crac
PointBlank Offline
Member

Registered: 05/30/05
Posts: 128
That's how i cracked the old one...overtightening the new thermostat!!

It's a 1996 Mercury Grand Marquis.No performance parts,just stock...family car.

Wish me luck,i'll be digging into her starting Saturday!! Thanks again for the very helpful advice...

I mainly hang-out in firearm forums like glocktalk.com or ar15.com but i just found this forum and it is already one of my favorites.

What good timing too....thx again!!

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#715819 - 06/02/05 09:46 AM Re: Jig-Rigging a4.6L Intake Manifold(mine is crac
Rusty! Offline
Over the Hill

Registered: 05/20/02
Posts: 2512
Loc: New Mexico, USA
I suggest that you buy an ALUMINUM aftermarket manifold. I wish I had done that when I replaced mine with a stock unit. My sense is that the aluminum one won't warp later.
_________________________
NRA Patron Life Member. Four years to a pension!

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#715820 - 06/02/05 10:25 AM Re: Jig-Rigging a4.6L Intake Manifold(mine is crac
99_03PantherS Offline
Poobah

Registered: 03/23/03
Posts: 9577
Loc: NW side Chicago
or you can just pick out alot of plastics from the boneyard...
_________________________
Jason G.
'06 Towncar Designer
'81 Mark VI 2 door
'88 Towncar Cartier
'07 P71 SAP- steedas, jmod, 410s, Mo's tune, numerous interior exterior mods.
'16 F-450 V10 DRW
'08 F-450 Powerstroke DRW: DPF,EGR delete, AFE intake Spartan powered.
RIP 94 P71, 97 P71, 99 M74, 03 M74

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#715821 - 06/02/05 11:42 AM Re: Jig-Rigging a4.6L Intake Manifold(mine is crac
AstroVic Offline
Over the Hill

Registered: 04/29/04
Posts: 2333
Quote:

I suggest that you buy an ALUMINUM aftermarket manifold. I wish I had done that when I replaced mine with a stock unit. My sense is that the aluminum one won't warp later.




He IS buying one with the aluminum crossover.
_________________________
Signature removed. See rules.

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#715822 - 06/02/05 08:08 PM Re: Jig-Rigging a4.6L Intake Manifold(mine is crac
nascoil Offline
Climber

Registered: 09/10/02
Posts: 789
Loc: in my chair
Quote:

Quote:

Quote:

For a stock car, going with a colder thermostat will almost certainly cause problems.




really, such as? it may not be optimal, but i doubt it'll cause problems. i had a chip, but removed it two years ago, although i kept the 180*. no problems here. after warm up, the temp at lowest reads slightly less than half, well within normal operating temperature.



it killed my Cats




yeah, i've been searching and this seems to be a problem. i'm pulling the 180* out for a stock stat as a preventative measure. thanks
_________________________
2000 grand marquis

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#715823 - 06/02/05 08:56 PM Re: Jig-Rigging a4.6L Intake Manifold(mine is crac
Coplin Offline
Member

Registered: 11/20/04
Posts: 124
Quote:

Quote:

I suggest that you buy an ALUMINUM aftermarket manifold. I wish I had done that when I replaced mine with a stock unit. My sense is that the aluminum one won't warp later.




He IS buying one with the aluminum crossover.




I think he meant the ALL ALuminum manifold that Ford had on the early Vics?

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#715824 - 06/02/05 09:04 PM Re: Jig-Rigging a4.6L Intake Manifold(mine is crac
Coplin Offline
Member

Registered: 11/20/04
Posts: 124
Quote:

That's how i cracked the old one...overtightening the new thermostat!!

It's a 1996 Mercury Grand Marquis.No performance parts,just stock...family car.

Wish me luck,i'll be digging into her starting Saturday!! Thanks again for the very helpful advice...

I mainly hang-out in firearm forums like glocktalk.com or ar15.com but i just found this forum and it is already one of my favorites.

What good timing too....thx again!!




I f yours is an LS with HPP we have the same car. I replaced my manifold when it cracked behind alternator, with the Dorman Solutions aluminum crossover manifold kit.
The gaskets are molded into this unit which is nice. Being Chinese made though I noticed some bolt holes are not cast into the plastic deep enough. No big deal just cut about 1/8 inch off the bolt ends and they will thread in all the way.Also the kit comes with 2 or three alternator mounting brackets. you will use only one the others are for different models. Use plenty of clean rags when cleaning the old gasket material from the top of the block you DONT want that crud dropping into the runners. Also make sure all your fuel injector o-rings are ok. Or replace them all they are cheap anyways. One more thing you will need fuel line disconnect tool if you dont have.

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#715825 - 06/02/05 10:49 PM Re: Jig-Rigging a4.6L Intake Manifold(mine is crac
timberjack Offline
n00b

Registered: 05/13/05
Posts: 22
Loc: Thunder Bay, Ontario
Here's the place i bought mine from, same one you saw on eBay. $200 and s&h was $9.00
http://www.northernautoparts.com/ProductModelDetail.cfm?ProductModelId=11498

Hope your repair goes as easy as mine did.
Ken
_________________________
1996 Grand Marquis LS Bayshore HPP, 3.27 gears, GNX coil springs, Dorman intake, Sirius, 85k miles


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#715826 - 06/04/05 02:02 PM Re: Jig-Rigging a4.6L Intake Manifold(mine is crac
PointBlank Offline
Member

Registered: 05/30/05
Posts: 128
I owe all you guys a HUGE thanks!!

I did get the cracked one yanked out Thursday and put the replacement that i bought at Auto Zone in Friday.

The replacement has the metal crossover and came with thermostat/gasket,new alternator hardware that holds wires up,and gaskets were molded into it which saved $$ (thermostat/gasket too)

Wasn't that bad and i wasnt out to set any records either,pretty much took my time.

Changed my sparkplugs and cleaned the injectors some,cleaned the gunk inside the throttle body (plenium??)also.

I do have one problem though....it seems to run kinda sluggish now.

On top of the plenium?? (throttle body)there was a sticker that states "do not clean throttle body plate or inside as there is a special coating applied",something like that.

I did not do a through cleaning.....i just got some of the heavy gunk off.I sprayed brake cleaner on a rag and pretty much wiped some stuff out of there.

Question is......did i screw up cleaning the plate and inside "some"???

Thanks again for all the advice on doing the intake again,without you guys and God NO WAY would i have ever dared the task!!

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#715827 - 06/05/05 12:32 AM Re: Jig-Rigging a4.6L Intake Manifold(mine is crac
SicVic1 Offline
Member

Registered: 03/07/05
Posts: 316
Loc: West Palm Beach ,Fl.
cleaning out the t.b. may affect idling.....but wont hurt acceleration.....check all of your vacuum connections and connectors...

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