Thread: 98 GTP Modded Overheating as soon as starting

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  1. #21 Re: 98 GTP Modded Overheating as soon as starting 
    GT Level Member AmericanRiceEater's Avatar
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    That's insane your running a 3.4 pulley without any real mods ? I would also look into a tuned PCM right after the headers. You can't skimp a 3.4 set up without enduring damage.
    Black 2000 GTP Coupe. SSAutoChrome headers, K&N Cold Air Intake, Reptile Tuned PCM, 3.4" ZZP MPS, 104 Autolites & 180 Stat.

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  2. #22 Re: 98 GTP Modded Overheating as soon as starting 
    Donating Users nascartech's Avatar
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    my gp had a coolant leak and it turned out to be leaking from the block heater so i had to replace it with a frost plug
    01 GTP is3 cam 130 springs double roller 60lb injectors lq4 maf headers 4000 stall lowered
    sold 97 GTP stock
    Sold 2001 gp gt ssm90 plog dp 3.8 208 whp 265 at the crank 14.8 1/4
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  3. #23 Re: 98 GTP Modded Overheating as soon as starting 
    SE Level Member gpaddictiongtp9798's Avatar
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    i understand what your all saying and yes this is going to be the second time i burb out the system. im running whats on the website. i have the Fenderwell CAI, Autolight 104s gapped .55 to .57, 180 T stat. i changed the supercharger oil. replaced gaskets. i changed the trans oil, yea i planned on a tuned pcm soon also.
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  4. #24 Re: 98 GTP Modded Overheating as soon as starting 
    SE Level Member gpaddictiongtp9798's Avatar
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    alright now since i checked the waterpump it is completly fine. all i can do now is flush the system in case something is just clogged and then burp out the system.
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  5. #25 Re: 98 GTP Modded Overheating as soon as starting 
    GT Level Member AmericanRiceEater's Avatar
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    Dude i wouldn't run a 3.4 system without headers. And you don't even have a downpipe ?
    Black 2000 GTP Coupe. SSAutoChrome headers, K&N Cold Air Intake, Reptile Tuned PCM, 3.4" ZZP MPS, 104 Autolites & 180 Stat.

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  6. #26 Re: 98 GTP Modded Overheating as soon as starting 
    GTX Level Member OH4CompG's Avatar
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    I vote head gasket. Have the cooling system pressure checked. You can also pull the plugs and see if any look steam cleaned. That'll tell you at least which head gasket blew.
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  7. #27 Re: 98 GTP Modded Overheating as soon as starting 
    SE Level Member gpaddictiongtp9798's Avatar
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    my buddy has the same exact car as me and is running the same mods for over a year now. and i burped the system and got so much air coming out.
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  8. #28 Re: 98 GTP Modded Overheating as soon as starting 
    resident snitch gtpinsc's Avatar
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    Quote Originally Posted by gpaddictiongtp9798 View Post
    my buddy has the same exact car as me and is running the same mods for over a year now. and i burped the system and got so much air coming out.
    3.4 with no breathing mods and a tune is a recipe for disaster. when u smash a spark plug u will know why.... when u smash a plug that means u have chipped or shattered a piston.... ur sucking in more than the car can put out. things get hot and early detonation occurs... anywho not good.

    02 GTP with mods 05 GP for DD
    Quote Originally Posted by SuperSport View Post
    The majority of the people here are potheads who want to buy good condition parts at junkyard prices.
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  9. #29 Re: 98 GTP Modded Overheating as soon as starting 
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    Thats just what i was thinking rad cap.... Just replace both the rad cap and t-stat see what happens.
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  10. #30 Re: 98 GTP Modded Overheating as soon as starting 
    SE Level Member gpaddictiongtp9798's Avatar
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    well i just finished working on it for the day, i am not going into the red anymore, since there was a stubborn air bubble and still have another day of burping out the system just to make sure i got all the air out.
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  11. #31 Re: 98 GTP Modded Overheating as soon as starting 
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    Good....but its shouldnt even be as hard as your making it seem.

    Heres what i do, fill up the radiator leave the cap off start up the car add more to the rad since it will suck it up on start up keep topping it off and squeezing the upper rad hose. while it warms up.......once you see the fluid starting to move or come out by itself open the air breather till you see fluid coming out.....then top it off and close the rad cap. Make sure the resevoir is filled up to and that the line to the resevoir is not clogged. Drive it around for a little get it hot then i like to do it for ****s and giggle oppen up the vent a little one more time but becareful only open it a tiny and see if any more air comes out....its gonna be a little harder to open.
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  12. #32 Re: 98 GTP Modded Overheating as soon as starting 
    SE Level Member gpaddictiongtp9798's Avatar
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    after i checked the t stat the hoses, the waterpump , i replaced the gasket drained out the system, and burped it and now its purring. im happy that i can drive it again. and im putting a cat delete in and 3 " downpipe
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  13. #33 Re: 98 GTP Modded Overheating as soon as starting 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    Quote Originally Posted by gpaddictiongtp9798 View Post
    after i checked the t stat the hoses, the waterpump , i replaced the gasket drained out the system, and burped it and now its purring. im happy that i can drive it again. and im putting a cat delete in and 3 " downpipe
    skip the downpipe and put headers or plogs on the car. You engine is gunna thank you big for doing that. Headers already have a downpipe too so no need to buy one. Now that you have fixed the over heating problem please fix your MEGA flow issue's.

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  14. #34 Re: 98 GTP Modded Overheating as soon as starting 
    GTX Level Member 98GTPCALGARY's Avatar
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    Quote Originally Posted by gtpinsc View Post
    dude ... did u burp the coolant system with the bleeder valves? sounds like thats ur prob... theres screws right by top hose that u loosen up to let air out.... basically loosen screw.. start car and let it warm up... add coolant through radiator as needed... repeat this a few times. to get all the air out of the system.
    THIS.

    I blew a rad hose, and when I replaced it I did not know about the bleeder screw, and I had problems with the temp jumping up and down. after reading about it on this awsome site, I bled the line (many times) and it runs perfect now.
    98' GTP, 18's, BMR Adjustable Forward & Rear Lateral Arms, BMR Tubular Trailing Arms, Intense PCM, CAI, drilled rotors, 5% Tint all around
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  15. #35 Re: 98 GTP Modded Overheating as soon as starting 
    GT Level Member rmcardle3's Avatar
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    Quote Originally Posted by gpaddictiongtp9798 View Post
    well i just finished working on it for the day, i am not going into the red anymore, since there was a stubborn air bubble and still have another day of burping out the system just to make sure i got all the air out.
    How's it cooling?
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  16. #36 Re: 98 GTP Modded Overheating as soon as starting 
    SE Level Member gpaddictiongtp9798's Avatar
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    car is running great. been driving it all day every day. no longer goes over the half marker, it was just really bad air in the system.
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  17. #37 Re: 98 GTP Modded Overheating as soon as starting 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    Thats good. Are you doing anything about your flow mods yet??

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  18. #38 Re: 98 GTP Modded Overheating as soon as starting 
    The Blue One blueguy's Avatar
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    Quote Originally Posted by Fivefingerdeathpunch View Post
    Thats good. Are you doing anything about your flow mods yet??
    Ok honestly...I think the guy got the point from everyone's 99 "your car is gonna blow up" posts. I like to warn people but jeesus...guy said he was taking care of it...its his car. If he wants to beat the snot out of it with or without the right mods...not like your words on the internet are going to stop him...just saying.
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