did PI Intake swap... now running rough, please help

delgadog · October 2nd, 2011, 12:38 PM

i switched out the PI intake yesterday, let everything sit over night. rechecked everything this morning, found an injector O-ring went bad so i replaced it. turned it back on and took her for a 2 mile spin. the entire time the car ran really rough. liek the spark plugs were bad or something, but i made sure all the boots were on tightly. i parked her and opened the hood and a little bit of coolant and a hissing sound was comming from the rear drivers side of the intake... idk if its lack of RTV, or if its not bolted down enough... any thoughts... i REALLY DON'T want to tear this sucker down again... i'm out of town at my parents house and i have to be at work tomorrow. any insight would be great!! thank you!!

delgadog · October 2nd, 2011, 12:44 PM

btw, i changed plugs about a month or two ago...

Green4.6 · October 2nd, 2011, 12:51 PM

Originally Posted by delgadog

btw, i changed plugs about a month or two ago...

It's probably a lack of rtv, you could have also got coolant on a spark plug.

delgadog · October 2nd, 2011, 01:19 PM

well, the pasenger side looks great, no coolant, plugs seem fine. its only the drivers side. is there anyway to just redo the drivers side? and will i have to buy another set of gaskets?

sharkbait · October 2nd, 2011, 03:53 PM

Gaskets are fine but you do have to pull the intake up and re rtv it. Also you could have fluid coolant in that rear spark plug hole so i would check that.

Also check for a vacum leak..that will normally cause the car to run like shit

delgadog · October 2nd, 2011, 06:14 PM

thanks shart bait, i ended up re RTV it. but unfortunately, i can't let it sit over night, it'll only have about 4 hours of cure time... so i'm concerned that it might not cure all the way.... is 4 hours of cure time ok?? i have a 4 hour drive time later on tonight, will it be ok?

darkmajesty · October 2nd, 2011, 06:22 PM

I haven't done the swap yet, but both guides say to let it sit overnight to fully cure. I haven't really seen an rtv that doesn't need to sit 24 hours.. but I've only just used that autozone rtv and its worked great. I just figured I would chime in.. Im not for sure if I would drive it or not, but looks like your situation won't allow you not too.

p4ndiamond · October 2nd, 2011, 07:05 PM

If you drive it im gonna find you on side the road and kill you lol. dont drive that unless you want to be stuck .

delgadog · October 2nd, 2011, 08:17 PM

well diamond, i have no choice, i'm at my parents house visiting and did the swap yesterday, but had to redo it today... yea, it sucks... i let it sit over night and i didn't rtv it all that well the first time... i started it up and so far so good, no leaks, nothing.

OptionalStang · October 2nd, 2011, 10:08 PM

WAIT...you have no choice..give it propper cure time and be shur to use more than you think you will need...

sharkbait · October 2nd, 2011, 10:11 PM

Well good luck man i wouldnt do it lol.

darkmajesty · October 2nd, 2011, 10:15 PM

Let us know if you made it and lady luck was on your side tonight.

1996 GT · October 2nd, 2011, 10:40 PM

You should be fine, just take it easy, i used it on my water pump and drove it 20 minutes later.

devildog0311 · October 3rd, 2011, 01:14 AM

Sorry guys can someone tell me what rtv means?

Green4.6 · October 3rd, 2011, 01:23 AM

Originally Posted by devildog0311

Sorry guys can someone tell me what rtv means?

Lol not sure what it means exactly but its silicone.

96paxtonstang · October 3rd, 2011, 01:23 AM

Originally Posted by devildog0311

Sorry guys can someone tell me what rtv means?

Room Temperature Vulcanizing (Silicone)

Sent from my Autoguide iPhone app

devildog0311 · October 3rd, 2011, 02:26 AM

Originally Posted by 96paxtonstang

Room Temperature Vulcanizing (Silicone)

Sent from my Autoguide iPhone app

Thanks

delgadog · October 3rd, 2011, 07:52 AM

well, a little update from last night. car did fine, no leaks, i don't hear hissing, car isn't full of coolant. HOWEVER... my check engine light is blinking and there is MAJOR hesitation and ALOT of back fire (popping) from my exhaust... so i'm thinking my plugs and wires are fouled, i'm just going to change the wires seeing that the plugs where changed a few months ago, i think i'm just going to clean up the plugs with a rag and new wires. if anyone has any insight as to the check engine light flashing and those symtoms that would be awesome! and thanks for your concern guys!

Blower Head · October 3rd, 2011, 08:57 AM

The flashing check engine light means you have a serious misfire. It will destroy your converters if driven like that for very long. If you can get the codes pulled it will tell you which cylinder is misfiring. Glad to hear the redo of the RTV seems to be holding. Never was thrilled with the idea of using that method, but it seems to work for most people.

delgadog · October 3rd, 2011, 09:21 AM

yea, i know, i'm not a big fan of rtv either, however, the PI intake was a good deal and its an upgrade so i went for it. and i rtv the crap out of it too for good measure.lol.

October 2nd, 2011, 12:38 PM	#1
delgadog Regular 1997 Mustang GT None yet... Join Date: Dec 2006 Location: Tampa, Fl Posts: 372 iTrader: 0 reviews	did PI Intake swap... now running rough, please help i switched out the PI intake yesterday, let everything sit over night. rechecked everything this morning, found an injector O-ring went bad so i replaced it. turned it back on and took her for a 2 mile spin. the entire time the car ran really rough. liek the spark plugs were bad or something, but i made sure all the boots were on tightly. i parked her and opened the hood and a little bit of coolant and a hissing sound was comming from the rear drivers side of the intake... idk if its lack of RTV, or if its not bolted down enough... any thoughts... i REALLY DON'T want to tear this sucker down again... i'm out of town at my parents house and i have to be at work tomorrow. any insight would be great!! thank you!! __________________ 95 GT - nothing stock on her R.I.P. 97 GT - New hotness: CAI, 70mm TB, TB Plennum, PI Intake comming soon: PI H/C, shorty headers, o/r x, lower car, sub frames, cc plates, torque box kit, rear U/L control arms, NO2 kit 100 shot.

October 2nd, 2011, 12:44 PM	#2
delgadog Regular 1997 Mustang GT None yet... Join Date: Dec 2006 Location: Tampa, Fl Posts: 372 iTrader: 0 reviews	btw, i changed plugs about a month or two ago... __________________ 95 GT - nothing stock on her R.I.P. 97 GT - New hotness: CAI, 70mm TB, TB Plennum, PI Intake comming soon: PI H/C, shorty headers, o/r x, lower car, sub frames, cc plates, torque box kit, rear U/L control arms, NO2 kit 100 shot.

October 2nd, 2011, 01:19 PM	#4
delgadog Regular 1997 Mustang GT None yet... Join Date: Dec 2006 Location: Tampa, Fl Posts: 372 iTrader: 0 reviews	well, the pasenger side looks great, no coolant, plugs seem fine. its only the drivers side. is there anyway to just redo the drivers side? and will i have to buy another set of gaskets? __________________ 95 GT - nothing stock on her R.I.P. 97 GT - New hotness: CAI, 70mm TB, TB Plennum, PI Intake comming soon: PI H/C, shorty headers, o/r x, lower car, sub frames, cc plates, torque box kit, rear U/L control arms, NO2 kit 100 shot.

October 2nd, 2011, 03:53 PM	#5
sharkbait Hooo Ha Ha 1997 Mustang GT 11.65 @ 115 Join Date: Apr 2009 Location: Pasadena MD Posts: 9,743 iTrader: 10 reviews	Gaskets are fine but you do have to pull the intake up and re rtv it. Also you could have fluid coolant in that rear spark plug hole so i would check that. Also check for a vacum leak..that will normally cause the car to run like shit __________________ 410rwhp 520rwtq @ 12.9 psi

October 2nd, 2011, 06:14 PM	#6
delgadog Regular 1997 Mustang GT None yet... Join Date: Dec 2006 Location: Tampa, Fl Posts: 372 iTrader: 0 reviews	thanks shart bait, i ended up re RTV it. but unfortunately, i can't let it sit over night, it'll only have about 4 hours of cure time... so i'm concerned that it might not cure all the way.... is 4 hours of cure time ok?? i have a 4 hour drive time later on tonight, will it be ok? __________________ 95 GT - nothing stock on her R.I.P. 97 GT - New hotness: CAI, 70mm TB, TB Plennum, PI Intake comming soon: PI H/C, shorty headers, o/r x, lower car, sub frames, cc plates, torque box kit, rear U/L control arms, NO2 kit 100 shot.

October 2nd, 2011, 06:22 PM	#7
darkmajesty Regular 1996 Mustang GT 14.92@ 86 Join Date: May 2011 Location: Calico Rock, AR Posts: 298 iTrader: 3 reviews	I haven't done the swap yet, but both guides say to let it sit overnight to fully cure. I haven't really seen an rtv that doesn't need to sit 24 hours.. but I've only just used that autozone rtv and its worked great. I just figured I would chime in.. Im not for sure if I would drive it or not, but looks like your situation won't allow you not too. __________________ PP 75MM TB/PP Upper Plenum/Mac Prochamber/ Mac Flowpath Catback/JLT RAI/BBK UDP/SCT Race Tune/FRPP 4.10's/ 1/2 PI Swap/AM Short Shifter

October 2nd, 2011, 07:05 PM	#8
p4ndiamond Hardcore Enthusiast 1997 Pacific Green Cobra 14.80 No traction Join Date: May 2010 Location: New Orleans Posts: 1,216 iTrader: 0 reviews	If you drive it im gonna find you on side the road and kill you lol. dont drive that unless you want to be stuck . __________________ GT ENGINE (temporary) 4.30 Gears , 31 spline Moser axles , Detroit tru Trac diff, Jmod 4r70w , Pi intake Hitech stage 2 cam, Vortech V2 3.33 pulley. Alum drive shaft. Lowering kit x2 ball joints ,screamin demon coils, LCA "

October 2nd, 2011, 08:17 PM	#9
delgadog Regular 1997 Mustang GT None yet... Join Date: Dec 2006 Location: Tampa, Fl Posts: 372 iTrader: 0 reviews	well diamond, i have no choice, i'm at my parents house visiting and did the swap yesterday, but had to redo it today... yea, it sucks... i let it sit over night and i didn't rtv it all that well the first time... i started it up and so far so good, no leaks, nothing. __________________ 95 GT - nothing stock on her R.I.P. 97 GT - New hotness: CAI, 70mm TB, TB Plennum, PI Intake comming soon: PI H/C, shorty headers, o/r x, lower car, sub frames, cc plates, torque box kit, rear U/L control arms, NO2 kit 100 shot.

October 2nd, 2011, 10:08 PM	#10
OptionalStang Banned 1997 cougar 4.6 1/2PI TooFast4theFUZZ Join Date: May 2011 Location: se wi Posts: 991 iTrader: 1 reviews	WAIT...you have no choice..give it propper cure time and be shur to use more than you think you will need...

October 2nd, 2011, 10:11 PM	#11
sharkbait Hooo Ha Ha 1997 Mustang GT 11.65 @ 115 Join Date: Apr 2009 Location: Pasadena MD Posts: 9,743 iTrader: 10 reviews	Well good luck man i wouldnt do it lol. __________________ 410rwhp 520rwtq @ 12.9 psi

October 2nd, 2011, 10:15 PM	#12
darkmajesty Regular 1996 Mustang GT 14.92@ 86 Join Date: May 2011 Location: Calico Rock, AR Posts: 298 iTrader: 3 reviews	Let us know if you made it and lady luck was on your side tonight. __________________ PP 75MM TB/PP Upper Plenum/Mac Prochamber/ Mac Flowpath Catback/JLT RAI/BBK UDP/SCT Race Tune/FRPP 4.10's/ 1/2 PI Swap/AM Short Shifter

October 2nd, 2011, 10:40 PM	#13
1996 GT Traction...? 1996 GT/ 2008 GT Vert Join Date: Nov 2010 Location: Canada Posts: 2,207 iTrader: 0 reviews	You should be fine, just take it easy, i used it on my water pump and drove it 20 minutes later.

October 3rd, 2011, 01:14 AM	#14
devildog0311 Regular Black 96 Gt Join Date: Jul 2011 Location: TX Posts: 140 iTrader: 0 reviews	Sorry guys can someone tell me what rtv means?

October 3rd, 2011, 07:52 AM	#18
delgadog Regular 1997 Mustang GT None yet... Join Date: Dec 2006 Location: Tampa, Fl Posts: 372 iTrader: 0 reviews	well, a little update from last night. car did fine, no leaks, i don't hear hissing, car isn't full of coolant. HOWEVER... my check engine light is blinking and there is MAJOR hesitation and ALOT of back fire (popping) from my exhaust... so i'm thinking my plugs and wires are fouled, i'm just going to change the wires seeing that the plugs where changed a few months ago, i think i'm just going to clean up the plugs with a rag and new wires. if anyone has any insight as to the check engine light flashing and those symtoms that would be awesome! and thanks for your concern guys! __________________ 95 GT - nothing stock on her R.I.P. 97 GT - New hotness: CAI, 70mm TB, TB Plennum, PI Intake comming soon: PI H/C, shorty headers, o/r x, lower car, sub frames, cc plates, torque box kit, rear U/L control arms, NO2 kit 100 shot.

October 3rd, 2011, 08:57 AM	#19
Blower Head Regular 1996 Mustang GT Vert Join Date: Oct 2007 Location: blaine, MN Posts: 270 iTrader: 1 reviews	The flashing check engine light means you have a serious misfire. It will destroy your converters if driven like that for very long. If you can get the codes pulled it will tell you which cylinder is misfiring. Glad to hear the redo of the RTV seems to be holding. Never was thrilled with the idea of using that method, but it seems to work for most people. __________________ 96 GT vert, Aftercooled Vortech, Lightning MAF,42# injectors, saleen cams, Bullitt intake, tune by Hitech, Magnaflow catback and O/R xpipe, Cobra brake upgrade, lowered bilstein suspension w/MM c/c plates and subframe connectors 3000 stall and 3.73's

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October 3rd, 2011, 09:21 AM	#20
delgadog Regular 1997 Mustang GT None yet... Join Date: Dec 2006 Location: Tampa, Fl Posts: 372 iTrader: 0 reviews	yea, i know, i'm not a big fan of rtv either, however, the PI intake was a good deal and its an upgrade so i went for it. and i rtv the crap out of it too for good measure.lol. __________________ 95 GT - nothing stock on her R.I.P. 97 GT - New hotness: CAI, 70mm TB, TB Plennum, PI Intake comming soon: PI H/C, shorty headers, o/r x, lower car, sub frames, cc plates, torque box kit, rear U/L control arms, NO2 kit 100 shot.

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