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-   -   opinions of jgs precision manifold (https://www.miataturbo.net/diy-turbo-discussion-14/opinions-jgs-precision-manifold-6413/)

airbrush1 01-03-2007 10:55 PM

I run one.... it's ok..... could be better...... I think the flange is warped from the welding (I didn't weld it) and I have a slight exhaust leak that I can't solve.....

We added the external wastegate much in the same location as BEGI did.....

man I want the bell manifold and downpipe for my T3 setup! wonder what it costs...... I know the manifold is over 500......

beerslurpy 01-03-2007 11:21 PM

Here it is in 2003, before I ported it and had it ceramic coated. It is just shinier now.
http://i14.tinypic.com/47uz0k8.jpg

cjernigan 01-03-2007 11:47 PM

What size downpipe are you running beerslurpy and who made it?
I also can't tell if you have powersteering from that picture?

beerslurpy 01-04-2007 01:01 AM

Yes on the powersteering.

My DP and IC pipes were made by Race Related in St Petersburg. The guy who runs the place is a very good welder. The DP is basically a cast iron diesel flange bored out to 3" and connected to a stainless 3" pipe. There is a v-band clamp connecting it to a 3" exhaust which runs to a bullet muffler at the rear bumper.

4sfed5 01-04-2007 01:57 AM

have a look at my log manifold... i angled the turbo up a bit for better fit.... i had a certified welder at work weld it up so i KNOW it wont crack. schedule 40 weld els and 1/2" thick flanges.Page 6 of my cardomain.

cjernigan 01-04-2007 02:37 AM

Do any of you guys have pictures of your 3" DPs that are being used with a forward placed turbo on log mani?

beerslurpy 01-04-2007 03:13 AM

That's what I just posted.

cjernigan 01-04-2007 04:47 AM

Yeah, i get the idea of most of it from that photo, i was just curious if you had one of it out of the car. It doesn't matter I'm pretty sure I know how it is shaped. Did it all fit good or did you have to remove some material from the chassis? It appears to all fit but because of the angle I can't quite see the clearances with the side wall and all that. Have any facing down?


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