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-   -   323 GTX help (https://www.miataturbo.net/general-miata-chat-9/323-gtx-help-41467/)

bayside blue 11-24-2009 05:47 PM

323 GTX help
 
anyone on here know a bit about the GTX??

im looking at one and currently it has a bent rod. is the motor the same as the 1.6 miata engine or slightly diffrent? any one know of any forums or sites dedicated to the GTX or have a section for them?

bbundy 11-24-2009 07:14 PM


Originally Posted by bayside blue (Post 486723)
anyone on here know a bit about the GTX??

im looking at one and currently it has a bent rod. is the motor the same as the 1.6 miata engine or slightly diffrent? any one know of any forums or sites dedicated to the GTX or have a section for them?

I have 3 of them. And have worked on many.

Yes it is very similar to a 1.6l Miata motor. A cheap motor fix is to install a 1.6l motor out of an Automatic miata for the lower compression. they can be had for cheap. Swap everything over from the GTX (turbo, manifolds, oil pan, oil pump, cams, valve cover, clutch, pulleys, and a whole bunch of other doodads I can't think of right now from your busted GTX motor and it will work in a GTX.

Best site for forum help is Yahoo Groups 323gtx 323gtx : The Mazda 323 GTX Mailing List

Bob

zoomin 11-24-2009 08:21 PM


Originally Posted by bayside blue (Post 486723)
anyone on here know a bit about the GTX??

im looking at one and currently it has a bent rod. is the motor the same as the 1.6 miata engine or slightly diffrent? any one know of any forums or sites dedicated to the GTX or have a section for them?

Did you even try looking up the information for yourself? There is tons of information on the net about it!!

clay 11-24-2009 10:30 PM

It's cool to see that the old yahoogroups group is still a great source of info. I owned one for about 5 years and that list saved me so much time and money. Great people indeed. I hated selling my GTX and I find myself regretting it often. Fun little car for sure!

bbundy 11-25-2009 12:16 AM


Originally Posted by clay (Post 486819)
It's cool to see that the old yahoogroups group is still a great source of info. I owned one for about 5 years and that list saved me so much time and money. Great people indeed. I hated selling my GTX and I find myself regretting it often. Fun little car for sure!

Funny I bought a 91 Miata that ran and came with hard top once for $700

I kept the hard top but in a fit of stupidity I traded that miata for another GTX. It’s going on a couple years now and I haven’t fixed the transmission in that GTX I traded for. It has just sat I need to sell it really.

I have another one that I drive on a regular basis. Sort of a daily driver. It runs strong with a chipped ECU and handles really well with some basic suspension tweaks I’ve spanked allot of cars at autocross with it.

Then I have a friends GTX that has lived at my house for the last 4 years. It has a built 323 GTR drive train swap puts out about 300hp to all wheels weighs 2600 lbs and I have fit 15X9" wheels on it with 225 tires. It is a beast. Fun as hell to drive but compared to the GT3071R turbo on my miata the stock VJ23 that is on it is a laggy thing. I had the two turbos apart side by side The stock turbo Mazda put on that beast has a bigger turbine wheel than a GT3071. Power comes on all the sudden and will surprise you. The AWD keeps it from swapping ends pretty well though when it does hit boost.

Bob

wayne_curr 11-25-2009 02:38 AM


Originally Posted by bbundy (Post 486844)
Funny I bought a 91 Miata that ran and came with hard top once for $700

I kept the hard top but in a fit of stupidity I traded that miata for another GTX. It’s going on a couple years now and I haven’t fixed the transmission in that GTX I traded for. It has just sat I need to sell it really.


Bob


This is the one under the collapsed canopy at your house I take it. If I had known you wanted to sell that I would have made you an offer when I had money :vash:

This summer I was looking hard for one to replace our Integra because it's a piece of junk.

clay 11-25-2009 07:55 AM

The GTX was fun, but it did require some fiddling to keep it a daily driver. I actually kept my entire toolbox in the trunk all the time and had a pair of workpants in case I had to crawl under it.
I started keeping the toolbox in the car after one Thanksgiving day I was in DC (3 hours from where I was living) meeting up with a friend when my driveshaft bearing seized. The only thing open was a gas station where I bought two adjustable wrenches. I removed the driveshaft completely, locked the diff in 4WD and drove around with a FWD GTX for several weeks while I located the only spare driveshaft I could find in the country (in a junkyard in Washington state). Fun times.

I did meet up with some other GTX owners at the Susquehanook Trail Pro Rally in Pa. one year. There were 6 of us there. Being from Ga. I had only seen two other GTX's on the road ever so it was fun to get a pic of 6 of them together.

wayne_curr 11-25-2009 01:41 PM


Originally Posted by clay (Post 486897)
The GTX was fun, but it did require some fiddling to keep it a daily driver. I actually kept my entire toolbox in the trunk all the time and had a pair of workpants in case I had to crawl under it.
I started keeping the toolbox in the car after one Thanksgiving day I was in DC (3 hours from where I was living) meeting up with a friend when my driveshaft bearing seized. The only thing open was a gas station where I bought two adjustable wrenches. I removed the driveshaft completely, locked the diff in 4WD and drove around with a FWD GTX for several weeks while I located the only spare driveshaft I could find in the country (in a junkyard in Washington state). Fun times.

I did meet up with some other GTX owners at the Susquehanook Trail Pro Rally in Pa. one year. There were 6 of us there. Being from Ga. I had only seen two other GTX's on the road ever so it was fun to get a pic of 6 of them together.

They seem to be all over the place around where I live. There are 2 in my neighborhood, 3 others that I see around town a lot and 3 at bobs house lol. A guy delivers pizza in one of the cars in my neighborhood. I tried to buy it from him one day but he wasn't having it. Said he got it from someone for 600 bucks and wasn't ever selling it.

bbundy 11-25-2009 02:16 PM


Originally Posted by clay (Post 486897)
The GTX was fun, but it did require some fiddling to keep it a daily driver. I actually kept my entire toolbox in the trunk all the time and had a pair of workpants in case I had to crawl under it.
I started keeping the toolbox in the car after one Thanksgiving day I was in DC (3 hours from where I was living) meeting up with a friend when my driveshaft bearing seized. The only thing open was a gas station where I bought two adjustable wrenches. I removed the driveshaft completely, locked the diff in 4WD and drove around with a FWD GTX for several weeks while I located the only spare driveshaft I could find in the country (in a junkyard in Washington state). Fun times.

I did meet up with some other GTX owners at the Susquehanook Trail Pro Rally in Pa. one year. There were 6 of us there. Being from Ga. I had only seen two other GTX's on the road ever so it was fun to get a pic of 6 of them together.

I know all about the fiddling with them to keep them running. If you aren’t prepared to work on your car regularly you shouldn’t own a GTX.

Bob

bayside blue 11-25-2009 02:28 PM

1988 MAZDA 323 GTX TURBO,VERY RARE&HARD TO FIND LILCAR,FA$$$$$$$T

the guy emailed me back and wants 3k for it.. idk if thats a good deal for someone else but to me a non running 22 yr old car that isnt in mint shape isnt worth 3k. plus i dont have 3k for a DD anyway.

wayne_curr 11-25-2009 02:56 PM

No way that thing is worth 3k not running. Prolly more problems on top of the bad motor, too. Looks molested.

bayside blue 11-25-2009 03:04 PM


Originally Posted by wayne_curr (Post 487073)
No way that thing is worth 3k not running. Prolly more problems on top of the bad motor, too. Looks molested.

i was hoping it was <$1k

therieldeal 11-25-2009 03:33 PM


Originally Posted by bbundy (Post 486844)
Funny I bought a 91 Miata that ran and came with hard top once for $700

I kept the hard top but in a fit of stupidity I traded that miata for another GTX. It’s going on a couple years now and I haven’t fixed the transmission in that GTX I traded for. It has just sat I need to sell it really.

I have another one that I drive on a regular basis. Sort of a daily driver. It runs strong with a chipped ECU and handles really well with some basic suspension tweaks I’ve spanked allot of cars at autocross with it.

Then I have a friends GTX that has lived at my house for the last 4 years. It has a built 323 GTR drive train swap puts out about 300hp to all wheels weighs 2600 lbs and I have fit 15X9" wheels on it with 225 tires. It is a beast. Fun as hell to drive but compared to the GT3071R turbo on my miata the stock VJ23 that is on it is a laggy thing. I had the two turbos apart side by side The stock turbo Mazda put on that beast has a bigger turbine wheel than a GT3071. Power comes on all the sudden and will surprise you. The AWD keeps it from swapping ends pretty well though when it does hit boost.

Bob

Interesting assessment, Ive never been able to physically compare the vj23 to any other turbo, but it certainly does spool hard/suddenly!


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