thawk408

iTrader: (16)

My manis are different then SP's. Just like to compare

str8dum1

iTrader: (11)

edit-- good info from Thom below.

thawk408

iTrader: (16)

Thats odd, cause my manifolds dont look like the sp manifolds. Mine are the SFR that were redesigned to work with the 30 and 35r. Maybe they have the other version?

thom000001

well only similarity is that both put the turbo's in about the same location and use a tubular manifold....beyond that they are diff, well as diff as they can be with the limited amount of space to play with there. Gonna look similar but really....one uses a burns collector other doesn't. Bend radius's aren't even close though....

They both bend in on each other which makes them look similar

Note *ever looked at the supra mani's......like 6 diff manufactures and they all look the same lol.

Note 2 - on drivers side looks like SP is trying to get a little more length on the rear tube by going forward more. And on the pass side it looks like SFR is getting a little more length on the rear tube in the same manner lol....I can't tell on primary sizes from the pics though, my eye's aren't that good lol.

SP


even less room on this side


SFR


This is similar but radius's are still much different....don't know the diff between the two from SFR though


And something even completely different....Stillen header


Tom

thawk408

iTrader: (16)

My SFR do not have burns collectors. I believe mine are like the second SFR picture you have posted above.

Found pics of my manifolds I took along time ago.

Andrei

iTrader: (7)

Those are proper turbo manifolds unlike Greddy and others. Love the SP kit.

Those manifolds do bolt up and fit VQ37 heads correct?? Since the VQ37 headers fit VQ35s.

XKR

iTrader: (1)

Yeah...I agree...all other manifolds like Greddy,JWT, GTM are crap......No one should ever use them............................

thom000001

Ha....damnit mike lol

Tom

str8dum1

iTrader: (11)

well so far no one has given any dyno proof that logs can make over 800 hp. Alot of hot air so far...

Andrei

iTrader: (7)

I don't like the Greddy ones because the turbos are inside the engine bay right next to the heads and close to the stock cast coolant pipe running to the back of the engine. These SP manifolds position the turbo lower and away from the engine bay. And I like the SFR ones also because of it. But everyone can use whatever their opinion is of what is better. I don't care.

I like this:



Compared to: Coolant pipe is right above the turbo on this setup. But it does have a shield looks like.

ttg35fort

iTrader: (2)

Those are very good points, and the SP and SFR manifolds are very good. There is an issue, however, when using stainless steel manifolds on cars that are going to be tracked on road courses; they tend to sag over time. In fact, before I purchased my GTM turbo kit, I was very, very close to going with the SP kit. Although SP did not think sagging was going to be an issue, they could not guarantee it would not happen over time if I track my car a lot. They were very straight forward and honest with me, nonetheless, and I really appreciate that. If someone wants stainless steel manifolds, I would have no problem referring them to either SP or SFR.

str8dum1

iTrader: (11)

ya but those log manifolds dont have to use an oil sump and oil pump which is an extra system that can fail and destroy your motor.

Log manifolds can also spool faster since the turbo is closer to the exhaust ports. All depends on what you want. for a street car, logs are great. for a drag car, headers are better.

XKR

iTrader: (1)

Well I did make 800whp with 850bb and that guy from Vinney's shop made over 800whp with the same setup....

All kidding aside....I agree with you and Terry....If you are drag racing ...There is nothing better then SP/SFR.....

But I want everything on one setup.....and the SS setup could not provide that for me on a road course....and lag of that extent would not make it fun for my driving style.......

I use to have SS on my GT1 to extend the Twin Turbo's in the rear for better cooling....much more lag.... After a few hours of beating on it.....it was glowing red....It did not sag....but cooling and heating it to those temps..I am sure it would....I had to go back to cast iron mostly to shorten the distance to get less lag.

XKR

iTrader: (1)

Heat shields works wonders ....

thom000001

^^^ yup heatshields due work....

I am not as even concerned of the whole log vs tubular mani's (thats not why I went the route I did)......

I find it interesting that people will still want to make serious power on internal wastegate turbos, and wonder why they can't hold more than 12psi of boost past 4500rpm.....(not directed at mike's setup obvioulsy, the WG is right there visible).

And I personally like the smoother flow of the downpipe's on the more remote located turbos (SP/SFR) vs the 2 harder turns for the turbos being tucked up...but thats just personal prefference.

tom

XKR

iTrader: (1)

I agree Tom.....We are just lucky we have choices....No one could ever say that the SFR/SP is not a sweet setup....I have always like it. I wish the turbo on the Log was easy as yours to get to/service.

Andrei

iTrader: (7)

I had no idea that those would sag as in stretch over time? Maybe using thicker steel like 14 gauge would fix it?

Sounds like the same thing the SR71 blackbird had where the fuselage would stretch flying at full speed.

thom000001

5000 degrees and titanium >>>> 1500 degrees and steel lol

Tom

VR3

lil vid of the Z courtesy of powerhousefan

http://www.youtube.com/watch?v=DoN9mktLkdE

rrmedicx

iTrader: (54)

Any updates on E-85 tune?