Darud35

Nice! Looks like a Garrett? Did you fabricate the crossovers? Biggest question, are you happy with the results?

thingo

Yea a forced performance garrett type, I had the crossover fabricated, works well, but it was a lot of trouble.

Darud35

Can you elaborate on the troubles? I know running a GT series can be a pain (obviously no need to fabricate an entire crossover and can run a single wastegate). Was layout space a big challenge?

Sorry for all the questions! I found a great deal on the BW with turbosupplycenter.com they're even offering $100 off making it a $560 turbo. Add about $500 for wastegates and another $100 in materials. Is that comparable to the Holset?

pole position

Are you a fabricator with tools ?

$100 in materials ? Flanges, 321/304, V bands etc are more than that. How are you going to mount it ? Quality oil drain/supply lines even DIY are not cheap.

No disrespect but the questions you are asking suggest that you are in over your head and I get the feeling you think you can get a custom turbo solution for cheap.......

It is not overly difficult to fabricate down/cross over pipes if you have some metal experience, just time consuming.

Darud35

No disrespect taken.

I was in formula SAE for over 2 years in college and played a big role in the fabrication of our tube frame, among other things of course. I have a 220 Lincoln mig and CNC mill/lathe access. No bender unfortunately but can probably find a friend to help, or go the route of pre-bent sections welded together.

Good call on the lines. Didn't think about those. I know how expensive ss lines can be not to mention the price of fittings.

I'm set on a new turbo, I just want to find the right compromise of price, function, and reliability (considering I truly enjoy the fabrication aspects).

I appreciate the input!

pole position

^
Great , it should not be a problem then.

I would use the Mig to tack the sections and backpurge/Tig it afterwards. I also recommend going 321. The factory headers are a good design but age is catching up with them, make sure that you have no leaks.

Paulyy

have a look at my build thread, shows you most of the things that needed to be done.

333pg333

FOD? I can guess what that means. This was on the car like that at the time of the video shown. Guess if it can close on a rapid GT3 it's not too bad.

AL951

Why not go with twinscroll, and used it as a VGT. Since your are going to do all the fabrication anyway. Of course you would still need a WG to control MAX boost, but it would have excellent low speed response and low back-pressure at the top.

Regards,
AL

Thom

I would be interested to hear more about it.

The way I see it, the cross pipe should be halved in two ducts, but I see a big problem with the location of the wastegate link as both inner ducts would have to bend 90° to dump equal gas flow into the wastegate then bend back 90° again to align with the turbine inlet ports... Sounds like a major PITA to make, at least if retaining the WG in the stock location.

Edit :just found Sid's thread. Not sure where he linked the wastegate?
Sorry for derailing the thread somehow.

thingo

We just put the wastegates at the other end of the crossover, even rhd has a fair bit of space where the crossover joins the headers, enough room for two of those little tials.
I'll post up a pic when I get home.

Full-Race Geoff

the performance I've seen from the EFR turbochargers is unlike anything else weve ever tested. the combination of top notch blade aero + high end ceramic BB + titanium aluminide turbine wheel truly works. The availability is nonexistant at the moment - and will continue to be that way for at least a couple more months. The good news is that once this period is behind us, we will have consistent supply. The integrated recirc valve, and twinscroll w/ internal WG is really attractive... in fact im using this setup in my personal car.

the 944 engine bay & turbo configuration is actually somewhat similar to our kit we build for Subaru Sti. here is a photo of our twinscroll setup for the STi for comparison:



Hi andrew - nice speaking with you yesterday. As i mentioned, if you purchase the turbo and wastegates from Full-Race I am happy to help you setup the twinscroll crossover pipe. If you decide to purchase that turbo from the other website you linked it will likely require you to purchase different housings which will bring the price to where i quoted you

great to hear - which turbine housing are you using on your HTA30 to make it twinscroll

looking forward to seeing these photos.

86 951 Driver

Are you talking about making a crossover pipe so we can run a bolt in Twin Scroll turbo?

toddk911

All this talk of BW and no mention of VTG???

pole position

The question is if Full race is willing to do the R&D for a almost 30 year old platform in the 951 and produce a bolt on solution for a twin scroll set up at a competitive price point similar to their various import offerings.