Lower Intake question

Started by grinders_18, July 01, 2008, 10:58:49 AM

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grinders_18

July 01, 2008, 10:58:49 AM
Just curious, but I'm beginning to build a project engine for fun, and I'm curious what year 3.1 lower intake manifolds will work with the TGP upper manifold?

This radio station was renamed Krenzy in honor of the last American hero to whom speed means freedom of the soul. The question is not when he's gonna stop, but who is gonna stop him.

TGP Nick

#1
July 01, 2008, 05:41:49 PM
It depends which year TGP upper intake manifold you have.  If you have an 89 UIM, you will need to get an 88-89 lower intake manifold.

If you have a 90 TGP UIM, the 90-93 lower intake manifolds will work fine.
Nick
1989 Pontiac Turbo Grand Prix- LG5 - 4T60HD
2008 Ford Ranger XLT- 2.3 DOHC I-4 - 5MT
2012 Nissan Altima SR coupe- 3.5 V6 - 6MT

cobracmdr

#2
July 01, 2008, 08:34:54 PM
odd I have a 88 lim and am running a 90 tgp uim with no issues.  The only thing you have to do is cap off the pcv line on the UIM 88-89 has the pcv line going to the lim.  That is the only difference I am aware of.

Ken

1989 Turbo Grand Prix - missed very much!!!!
2010 Camaro 2SS/RS LS3 M6 12.01 @117 mph - Inferno Orange Metallic, long tubes, x pipe, Cat back, all 3" pipe 321 SS, vararam intake, LC-1, diy tune
01 Grand Prix GTP - 3.4 pulley, plog, k&n drop in, u-bend & resonator delete, tuned
03 Suzuki SV650N - zx10 shock, racetech springs/emulators, streetfighter

TGP Nick

#3
July 01, 2008, 09:19:57 PM
Thats why I said that.  The 88-89 cars have a different PCV setup than the 90-93s.
Nick
1989 Pontiac Turbo Grand Prix- LG5 - 4T60HD
2008 Ford Ranger XLT- 2.3 DOHC I-4 - 5MT
2012 Nissan Altima SR coupe- 3.5 V6 - 6MT

GutlessSupreme

#4
July 01, 2008, 09:30:10 PM
the bolts are different. if u get a newer lim the bolts wont fit thru the older uim. the threads on the newer lims are different and have spacers on them - the holes on the older uims are too small to fit the spacer.

then again, i have a '90 turbo manifold and a '92 lim so i dont know how the differences run year-wise.
-Tony
gtsdurango.net
'04 Dakota SLT Quad Cab V8 AWD/4x4 - current daily
'90 Turbo Grand Prix STE - Crane H260 Cam, Getrag 282 Swap, 1.6 Rockers, Homebrewn Mildly Ported/Polished Heads/Intakes, Intrax Front Lowering Springs, KYB GR2s, 34mm Sway Bar, CS FSTB, AWeb RSTB, ES Poly Sway Bar Bushings, Cooper Cobra 245 - I'm working on it...
'92 Gutless Supreme SL - Dead
'90 Turbo Grand Prix - RIP 6-15-05

mfewtrail

#5
July 01, 2008, 10:26:38 PM
Pretty sure the ones you're referring to that have the bolt spacers started in 1991(and went through 93).
'93 SE, '90 Black/tan TGP, & '90 Red/tan TGP

cobracmdr

#6
July 02, 2008, 12:18:19 PM
Either way it is not like it cannot work  ;)  Just have to know what your doing....

Ken

1989 Turbo Grand Prix - missed very much!!!!
2010 Camaro 2SS/RS LS3 M6 12.01 @117 mph - Inferno Orange Metallic, long tubes, x pipe, Cat back, all 3" pipe 321 SS, vararam intake, LC-1, diy tune
01 Grand Prix GTP - 3.4 pulley, plog, k&n drop in, u-bend & resonator delete, tuned
03 Suzuki SV650N - zx10 shock, racetech springs/emulators, streetfighter
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