Nope, I have never heard that, you would think the 4 doors are heavyer thought, becuase you have an extra 2 doors, but I could be wrong lol.
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09-14-2013
Nope, I have never heard that, you would think the 4 doors are heavyer thought, becuase you have an extra 2 doors, but I could be wrong lol.
09-14-2013
The more I look at this site, the more I want to take the engine and transmission out and rebuild them... my engine is covered in oil which isn't good. a lot of the seals need to be replaced and im not sure whats wrong with it now. if I do the overhaul on it all, it will be good for quite a while, there is no rust anywhere on the car except a few rock chips on the hood. They can easily be sanded down. Thank you for the help, ill let you know what happens after I go to this garage and do some tests on it.
09-14-2013
the GVWR on my car is like 3280
09-14-2013
oh wow mine is 4429, that what it says in the door! Also, Have you replaced your lim and valve cover gaskits?
09-14-2013
yeah man let me know, I dont know alot but im just going off what my problems have been. This forum has been a big help to me! And Welcome to the forum!Originally Posted by 40thAnniversaryTom
09-14-2013
lim? what is that
09-14-2013
lower intake manifold gaskit, If it has not had that, i would do that like soon! And the valve cover gaskit have a recall from GM and grand prixs have had engine fires because they leak and the oil sits on the exhaust manifold, so I would replace them to. Also when you do your (lim) if your car still has dexcool in it, just put normal green antifreeze
09-14-2013
I had all the fluids changed after it sat. I read the fires were on the n/a engines, but I think they need to be done anyway. I think I just need to get all the gaskets changed, while everything is apart, I need to give the engine bay a good cleaning because its a disaster in there. Also, another thing I forgot to mention, the trans fluid is red, but when I wipe it on a paper towel or a shop rag, the top part is black, when I look closer, it looks to me like its metal flakes... the car has been fully maintained its entire life except for when we got it from the dealer (the motor oil was dirty, the car got to us with 4700 miles on it and it was suppose to be "new" and supposedly, the owner of the dealership was taking it home at night and beating the hell out of it) but since then, the engine oil has been changed every 2500, trans fluid at 10k... idk what the prob is with it
09-14-2013
Yeah, idk about that man, i would look around the forum more about that. Buy about pulling the engine, thats what I just did, I wanted to restore/ make my car a show car, clean everything and what not. About the owner of the dealership, thats kindof messed up lol!
09-14-2013
I know, my mom paid 35k for it and it came with almost 5,000 miles... like wtf. It was the top of the line model for that year. Even the gxp still had the same v6 but they didn't have any of those. but thank you for your help, ill update you as this progresses. if I don't chat with you, have a good weekend
09-14-2013
No Problem man, let me know. Have a good weekend as well!
09-18-2013
SO my mechanic wants to charge me $700 cuz he thinks its the lower intake manifold gasket... I looked for vacuum leaks and I didn't find any. If I needed the gasket, would it be doing that all the time instead of on boost. and now I notice that it runs fine above 4000 rpm. It only happens when its going into decent boost between 2000-4000 rpm. Im going to try to do the fuel filter, spark plugs and wires and see if that does anything. is there anything else that is cheap that I should be taking a look at b4 I use this gasket as the last resort?
09-18-2013
Tom... I don't mean to sound rude, but this might not be the best place to keep bringing up problems with the car. This is a Members Ride thread, GrandPrixgtp2000's to be specific. The purpose is updates to HIS car and what is going on with it. A few questions in relation is usually fine, but this is going back 5 days now and looking more and more like a hijacking. Again, not to sound rude, but unless you know him personally, I would suggest creating a thread of your own for your car and keeping the ball rolling that way.
It would also be more likely to get you more attention from other members that aren't subscribed to this thread itself.
Now, saying that, a few things. The fire recall was for both SC & NA GPs, also for most every other car that was issued a 3800 Series II motor. For the NA cars, they only received new spark plug wire holders to keep the wires from catching fire, and the GTPs were given new wire holders and a FRONT valve cover gasket, rear was replaced at the customers expense.
Being a 99 GTP it will have the old design LIM Gaskets, they will need to be changed, regardless. If they haven't failed, they will at some point. Go with the "problem solver" metal replacement gaskets, and make sure whoever does the job replaces all the other gaskets along the way, it will cost a little more but while its apart its the right time to do it. Also the coolant elbows get old and brittle, plan to replace them as well, aftermarket metal ones can be ordered or you can use the standard plastic ones. $700 sounds a little high for someone who knows what they are doing, but it is pretty labor intensive. Not a hard job, there are how-tos if you have basic hand tools, but you need to research a little on that yourself.
Originally Posted by AmericanSoldier
09-18-2013
Thank you (TLSheff) for telling me about this thread and opening my eyes for how the site works, I just signed up a few weeks ago and haven't spent any time on here until this past week. I only came on this thread because it seemed like his car was doing the same thing and I wanted to see if he came up with any answer for it. Every time he did something for it, it came back. I would love to do this work myself but I have no tools. Im in the process of gathering basic tools up so I can start working on it myself.
09-23-2013
Hey guys, I have not posted in awhile. My camera broke, so when i get it fixed or buy a new one I will have alot of pics to post on the cleaning progress. Anyway I made a long parts list for my car, i hope to just get parts overtime or as I find them, as well if they are in the budget. While the engine is out, I dont know if I should rebuild it, it has almost right at 200k 197,xxx to be exact, im not positive but I think its the original tranny as well. For the tranny I think im just going to get a triple edge. For the engine I need some input, should I rebuild it or should I look for a series III? Whatever road I take, I want to get a cam, im leaning towards a VS. If I keep my L67 I think I might get a GEN V supercharger. For the exhaust i wanna get some Borla Pro XS with a stock resinator and magniflow tips. Sorry for the length of this! Any input on the engine or anything would be appriceated, also any other comments on what you guys think should be done or anything like that is also welcome.
10-14-2013
Im not sure how much a rebuild kit is, but it shouldn't be more than a few hundred. I would do that with all new bearings, especially if your going to put in a new cam and possibly a new supercharger. I fixed my car btw, it needed new plugs and wires, and I rotated the front engine mounts like it says to on here. I found someone with brand new headers, and cat, and a slightly used slp exhaust. hes going to help put on the exhaust, a 3.6 pulley, and tune the ecu for $900
10-14-2013
Nice man, im glad to hear your car is comeing along, My camera took a dump about 2 or 3 weeks ago, so I cant post up pics of what I have done to my car.
10-14-2013
i wouldn't put magnaflow tips on, i think borla has deals for tips and mufflers bought together, but i could be wrong. i had the full borla catback and that exhaust sounded perfect, never heard a better sound for these cars than that.
12-01-2013
Hey guys, it has been a while since I have posted anything on my grand prix, anyway, the show car in the making has been postponed for while, because my truck tranny went out, Im sick of putting money into the truck right now so I am trying to get my grand prix going again. I put all new gaskets on the motor, and I have put it back in, I had for got my lower engine mount was bad so I raised just the engine side up (left the tranny bolted in) took the motor mount out, and got a new one, when I put the new one in I have notice that the engine moved forward about a inch and I cant get the darn thing to move back. I was just wondering if anybody has had this problem and would know how to fix it? Any help is appreciated, thanks guys!
01-31-2014
Hey guys I have a brake question, will 94 bonnie brake calipers fit on my grand prix?
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