I thought the problem with GL-5s was that the sulfur damaged the synchros?

I dunno, I use Redline MT-90 in my car. I know it's not cool any more, but it's never been an issue for me.

--Ian

Alright, im going to try Adian's concoction and see what happens. If I dont like it ill drain it and try something else. But I have a feeling it will do the trick.

Andrew, be expecting me to give you more monies.

And Mods, feel free to move this over to the media(build thread) section.

If you haven't already add 1qt of Amsoil Severe Gear (SVGQT) 75W-90 for the diff fill as long as you are placing a fluids order ;)

@aidandj: just to be clear, you are using 1qt of Amsoil Manual Synchromesh Transmission Fluid (MTFQT) 5w-30 and 1 qt of Amsoil Manual Transmission & Transaxle Gear Lube (MTGQT) 75W-90 in a 6 speed, is that right?

I'm not having synchro issues in the Miata, but I have a WRX that is notchy as frig...

Yes. And it is what works for me. I believe @hi_im_sean runs the same or similar.

People have also had good results from just straight MTG.

I put syncromesh in everything.

Im not a believer in fixing things with fluid. But it has made a 5 speed that was undrivable on track due to 3rd gear grind work flawlessly for 2 drivers over 2 seasons. Its also what makes certain new venture trans work at all.

Yep, straight MTG here in my 6 speed.

That mix of viscosities wireds me out, but I guess if it works then it works. Its all solid products as far as the components go, so :dunno:

MTG got the jerb done on all of mine too. I remember liking the ford stuff, but supposedly its all #streetcar and doesn't like track much (as mentioned above)

The guys at Mazda shield the trans from the exhaust at ~100whp. I think at 2 or 3 times that power you may make even more heat. Use metal with an air gap like the factory did.


BTW, the corrosion fears for header wrap are unfounded. If thin, thin, thin wall headers made of mild steel on musclecars can use them for decades, how long is heavy wall mild steel going to last in the desert of southern California? How about thick wall aluminized steel? Stainless steel? If it was mild steel on a winter beater in Michigan it wouldn't matter then either because the whole car wouldn't last 10 years.

Why use metal with an air gap? Why not just wrap?

Why the diff oil?

Because its like $14, its awesome, and you are already ordering fluids. Andrew can elaborate when you call him and place your order for the trans juice ;)

In EO2K I trust...

Because a metal shield with an air gap is more effective at reflecting radiant heat.

There is actually a heatshield you can get off of amazon that uses clamps, brackets, and soft heatshielding material to create a shield with an air gap. It's very cheap and effective. I use it myself. Let me find the link.

FTFY :bigtu:

lolz

Easy button exhaust heatshield with an air gap.

https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

Thanks!


I also stopped by Trackspeed today and have acquired the oils. He didnt have any synchromesh so I just got 2qt of the SVG. If it still crunches 5th I will drain a qt and put synchromesh in. Also got diff oil and fancy pump.

a lot more. but you can also do both and be balleur

I thought of doing that. I think I might just do it actually. dunno.

All clean :bigtu:
https://c1.staticflickr.com/1/487/32...d4223fbc_b.jpg
https://c1.staticflickr.com/1/426/32...a6daca8a_b.jpg

Yesterday I flushed the tranny and diff oil. It did nothing btw, still crunches 5th pretty bad.
https://c1.staticflickr.com/1/770/32...51a7da6a_b.jpg

Tranny Drain plug
https://c1.staticflickr.com/1/327/32...739aea10_b.jpg

https://c1.staticflickr.com/1/594/32...ca492835_b.jpg

I got this pump from Andrew. If you don't have one, go buy it. Ive been using one of those harbor freight pumps and it was a piece of shit. The hoses would always pop out under pressure and make a huge mess. So for the whopping $13 I paid for this pump, I was able to keep the garage floor dry, my hands dry, and the tranny and diff actually received all of the their oil. Win.
https://c1.staticflickr.com/1/554/32...e12b6687_b.jpg


Also, I realized I never posted any pics of the harness that came in a couple weeks ago, so here:

Im glad I went with the Schroth, it feels so quality.
https://c1.staticflickr.com/1/763/32...8bd86ac0_b.jpg
https://c1.staticflickr.com/1/556/32...32e37013_b.jpg
https://c1.staticflickr.com/1/461/32...754e9db7_b.jpg


Also, big things happened. Huge things. I don't have pics of said things yet. So you will have to wait in suspense of what these things are. :fawk: