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I have a question for those who have put new tires on their Regals - what brand and type have you installed? Do you like them?
Thanks in advance!
Which ones?
Impressions???
Highly recommend them.
Can't wait for those badyears to wear out.
Thanks for the info guys.
I was looking at the Michelin X-1 tires as well. I have heard good things about them in addition to your input, rcarboni. Thanks!
lkohn, I had a slow leak in one of my tires as well. It ended up being a bad valve stem. Since having it replaced they have held are OK.
Interesting 2001 Montecarlo SS performance modifications. The link is:
http://www.thrasher-ep.com/Monte_Carlo_htm/monte_carlo.shtm
It talks about the same things you want in the new Regal (intercooled SC 3800), except the HP gains are a lot more than 300. Check it out!
http://www.thrasher-ep.com/L67_htm/GSX_piston_blown.shtm
According to their explanantion, the pistons are not strong enough:
http://www.thrasher-ep.com/tech_htm/FAQ.shtm#16.
By the way, the dyno measured power of the car is (was?) about 309hp at the wheels. 370 hp is their estimations of power on crank, before transmission, etc.
Trasher mods included replacing intake, exaust (headers and the pipe), boring/polishing heads, installed intercooler, cold air kit and very small pulley. And they still are not afraid to repeat this experiment again, this time with Monte Carlo. Engine, transmission, axles, etc. were transplanted from GTP or GS before modifications.
FYI and FWIW... Last week I took my car in for minor warranty issues. As I was chatting with the service tech, I asked him to honestly tell me how many times he's had to service the supercharger. His reply was that he can count on one hand how many times he's done major service on an Eaton supercharger (which is what sits in the GS). He added that this goes as far back as 1994 when he first started working on Buicks (I think Buicks have been supercharged since 1992).
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But what I found more interesting was that he said GM/Buick/Eaton superchargers are warrantied for 7 years/70,000 miles. I questioned him repeatedly on this new-found fact. He took me to the service manager of the dealership to verify the information and sure enough, he backed it up: 7 years/70,000 miles. The manager said that it is not a warranty that GM publicizes. Still doubtful, the manager took me to a '99 Gran Prix being serviced that had 69,700 miles on the odometer. On the job ticket, it stated that the supercharger was being replaced under warranty (I do not know the circumstances behind why it was being replaced. I did notice the Yokohama tires on the car were nearly bald). I told him for all I know, this could be an extended warranty on the car covering this replacement. He dug deeper in the job jacket to show me documentation from Buick's parts division that sure enough, it was a replacement covered specifically under the 7/70 warranty. Still with doubts, I put a call into Buick's customer care division. I'm wating for a returned call to verify of the 'extended' supercharger warranty.
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So...has anyone else known of this 'extended' supercharger warranty or have I just been in the dark about this?
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As Colonel Klink would say, I find this information '...verrry interrresting!'.
Since we are talking maintanence here, any suggestions on spark plugs to get better performance?? I am from the old school of maintanence, plugs and trans service at 25, 000. I don't buy this 100,000 mile interval they claim with plugs and transmission. Any suggestions would be helpfull.
I own a 1998 GS with almost 25,000 miles on it. It's been in my driveway about two months with no problems to report (other than the "low tire" light having a tendency to get overexcited at times).
I'm interested in making some changes to wring more power out of what Buick/GM gave us. I'll admit upfront I'm not a mechanic and wondered if you have personally tried doing the adjustments you talked about, or do you know someone who has?
If anyone else has made a few modifications and has good/bad news to report, feel free to pass it along!!
Thanks
I am spending most of my time right now building a Dodge 5.9 V8 - .030 over pistons, rods, heads - the works. So, I have been pouring little attention over the GS.
I have replaced the stock air box with an MSP (Motor Sports Performance) intake. Yes, this is a VERY good place to start! Really woke the engine up I think. I also use Amsoil synthetic 0w-30, which many believe is good for a few horses. I definitely think these engines run better on synthetic.
My next two mods are probably going to be the pulley and the thermostat. The GTP guys seem to like these two changes quite a bit. If you want a lot of performance opinions, you should check out the GTP club forums on the net. I think one is clubgp.com. Also, the grandprixstore.com and ultimatewarriorracing.com have lots of performance parts.
Maintenance, quality if manufacturing have changed so much over the years that other then oil changes which can also be extended, not much needs to be done in 100,000 miles
What is relation between ATF and the engine coolant (antifreeze)? Or it is just typo?
Over the years with maintenance recommendations being extended the service dept revenue is not doubt going down so the only item left that a owner has to return to a service dept for on a periodic basis is oil changes. Now with indicator lights, synthetic oil, that (oil change) is going the extended route as well so we have service depts sending out notices, change your oil every 3000 etc even though the manual says no such thing, manual says wait for the light to come on. Every service dept of every manufacturer I know of will say well, due to the severe climate we live in etc.e tc. Problem is they say that whether you live in Maine, Fla, Ca, MI or TX. Just drumming up revenue.
As stated, just my opinion based on life experiences.
Compared to other "sporty" cars, the GS ride is quite good.
Anyway, anyone else got any thoughts on this problem (see post #1375)? I appreciate your input!
Ohhhhhhhhh, it was BEAUTIFUL!!!!!
Too bad I won't have it.
Ohhhhhhhhh, it was BEAUTIFUL!!!!!
Too bad I won't have it.
Black Stock Regal GNX S.C. 300-bhp
hood has a power dome...looks much like current grandprix??? With 18" Wheels...is this possible???
I think this car should be called GSX not GNX!!!
Here's what I don't understand...
Regal's sister car Grand Prix will become G8. A 5.7 V-8 @ 350-HP with VERSATRACK all wheel drive...WOW!!! With 19"(255/40ZR-19) tires...is this possible???
Why can't the next generation GN have this package???
i was wondering why the regal no longer has the ability to program a performance mode for the shift points. the 99 has a button on the shifter that allows one to go into either a standard mode or performance mode.
does anyone know why they got rid of this function? was it a cost reduction, or do they have a more sophisticated transmission algorithm for shifting.
just curious. i leave the car in performance mode and it shifts crisply and is much more responsive.
my plans are to go with a more free flow air filter and pulley mods.
also, one more question...does anyone have any experience disabling the magnasteer in order to get better road feel? i only know of one person who has done it and they said it was a very worthwhile mod.
thanks,
jammer
I have a 2000 GSE and have tried many times to feel a difference in the shifitng or even RPMs it shifts at in either mode. I can find, see, feel absolutely no difference in the performance mode when it is on or off.
A true waste of a feature on my model!
As top ride, not bad but stiff and one would expect is stiff it would handle well. Handles like a Mack truck on corners but it could be the tires. Overall engine tranny good but handling leaves a lot to be desired especially compared the the Maxima SE it replaced. That car rode and handled well.
I remember asking my service tech at Pontiac whom I knew well and the Bonneville has been using the same supercharger for years and years, longer than Buick. He said in the many years he has worked their he did 3 or so if he even remembers that many. He said that maintaining the oil level is critical.
My '98 GS downshifts more willingly AND holds each up-shift longer when in this mode.
Maybe there is a fault in the system on those cars where very little difference is felt???
GM should have left this feature on.... To "deibs" thanks for the comments on the
michelin pilots... I'm shopping for new tires & was considering the Firestone SH30's... what
to do now?... you sound so excited about the pilots!! Did you go with the same size as your Goodyears??
Thanks
you mention that oil level in the Supercharger is critical... anyone know the correct
way to check the oil level? Does this oil ever need to be changed?
By the way, R & T did mean to call it GNX, not GSX, even though it is supercharged and not turbocharged like the production Regal GNX. I believe the GNXs (production from 80's and new one-off) both make about the same horse power, and the Regal GNX holds a special place in Buick fans' hearts, so the one-off modern GNX is playing off of that. There was an article in Motor Trend about both, along with a specially tuned Intrigue (part of OSV - Oldsmobile Specialty Vehicles). I can look up what issue if there's interest. Word was that the OSV Intrigue, along with an OSV Alero were close to production, but then Olds got the axe. Too bad.
By the way, I notice a considerably difference switching between the performance and normal transmission modes with my 99 Grand Prix GTP.
To all who participate in this forum: I presume most of you are Americans and I
just want to express my most heartfelt sympathy for your fallen comrades during this
time of unbelievable sadness. We in Canada are proud & grateful to be your neighbors
and friends & believe me we feel your pain and anger at this despicable act of terror.
The USA stands in our world as an Icon for freedom & justice & despite what has
happened, this has NOT changed. I'm sure that now the rest of the free world realizes
how important these basic rights are and will certainly stand with you to protect and
preserve them!
Thanks
http://www.gmpartsdirect.com
While it isn't really GM that you're buying from, they sell their parts way cheaper than your dealer would. Even with the air freight, they beat my local dealer by at least 20 percent. If you don't know the part number (which most of us don't) email them with a detailed description and they will reply with a part number that you can verify using their search feature. Good luck.
http://www.supercars.net/SDBQ?y=2000&m=Buick&o=Regal GNX Concept
Here are few things I DON'T like about this car:
Remove the front Strut Brace and place a chrome version as found in Grandprixstores.
Remove Air Filter and place less restrictive unit as in thrasher or performancemotorsport version.
Remove the non-functional crapy hood/side ports as they seam to be designed ONLY for cosmetic use!!!
Remove PCM Card and place a more aggressive unit
PAINT the bottom half to the car and forget the old two tone throw back of the T-Types.
Surrender these cars to McClaren and let them MODIFY the next generation GNX!!!
Only time will tell if current Buick designers foresee/forget the performance leaps of the past GNX. It's sad to think what awaits Buick. What would I like to see...
manual 5-speed,new chassis,better CAM, maybe liberate a V-8 Norstar engine from it's cousin???
Would would you like to see???
Here is what I like about this car:
300-HP GNX!!!