GheyrodX - bigger, fatter, gheyer! - Page 36

**Kracka** · 10-03-2012

Quote:

Originally Posted by scheides

Damn! That or you should have gone to a long-runner instead of the short-runner mani!

My friend down here does has a MAP long-runner just sitting in his garage...

Kidding kidding, I'm done testing out exhaust manifold setups, I've made enough changes to that! Now if MAP were to place a Rev2/3 ported intake manifold in my lap...

**Halon** · 10-03-2012

Ported stocker looks like a win to me. Not only dyno chart wise, but also keeps the setup simple / OEM under the hood which is always a plus in my book.

**Kracka** · 10-03-2012

I agree completely; plus it's much better for heat management, less risk of cracking, etc.

turbotalon1g · 10-03-2012

Quote:

Originally Posted by Kracka

I agree completely; plus it's much better for heat management, less risk of cracking, etc.

Mike Rizz, said that is one of his reasons from getting away from a tubular manifold, he had 1-2 of them and he said the engine bay heat was terrible and they would fade/ruin his clearcoat on his CF hood.

It's making me want to stay with the FP cast manifold I have.

**Kracka** · 10-03-2012

Quote:

Originally Posted by turbotalon1g

It's making me want to stay with the FP cast manifold I have.

Ceramic coat it and call it good...maybe do a little cleanup porting too?

**Murlo26** · 10-03-2012

I compared all of these manifolds, the short runner was huge gains over ported stocker at ~550whp, baseline was like 525, and with short runner it was 550ish.

I'd post it here but not the right thread.

I agree though, on a stock turbo car the ported manifold is king.

**Kracka** · 10-03-2012

Quote:

Originally Posted by Murlo26

I compared all of these manifolds, the short runner was huge gains over ported stocker at ~550whp, baseline was like 525, and with short runner it was 550ish.

I agree, with an EF4 and big power I think the tubular will dominate. We know how they compare on the EF2 and EF4...wonder how they'd stack up with an EF3?

**Murlo26** · 10-03-2012

^Well my testing was on the FPblack, but I get what you are saying

I wouldn't ever run the short runner personally though, I like American welded things. But the design is solid.

**Murlo26** · 10-03-2012

The OEM manifolds ported work very well, they are a bit restrictive for sure, but spool up is always a good 400-500 rpms better with them and heat is managed better and you get to keep stock heatshields on the Evo X anyway.

Still made 570whp+ on the FPblack with one, it held it back for sure but was adequate.

Both have great benefits.

**Kracka** · 11-15-2012

New Girodisc S/S (orange) brake pads on the way...I don't need them yet, but they offered me an introductory price that's too good to pass up.

http://forums.evolutionm.net/evo-sal...-s-s-pads.html

turbotalon1g · 11-15-2012

Those sound awesome.

**Kracka** · 11-15-2012

Quote:

Originally Posted by turbotalon1g

Those sound awesome.

I hope so. I had terrible luck with their Magic pads (twice) so this is my final attempt at running this company's products. My current Stoptech pads are probably still good for at least another 10k miles so I'll probably swap these new ones in sometime next spring.

turbotalon1g · 11-15-2012

^Sweet I have about the same amount of miles left if not more on my car, but it's all good parts store stuff.

**Kracka** · 12-05-2012

Hmmm...what is this?

A second compressor cover you say?

Both covers have a 3" inlet for maximum airflow so that alone is a nice upgrade vs. the EF2, but we're also going to be testing standard vs. anti-surge to see how they compare. Stay tuned for data this weekend...

**scheides** · 12-05-2012

Aww, no more baby turbo?

Looks sexeh, I love the ef-series compressor wheels.

**Murlo26** · 12-05-2012

Quote:

Originally Posted by scheides

Aww, no more baby turbo?

Looks sexeh, I love the ef-series compressor wheels.

Still looks baby to me

I guess mine doesn't "look" much different lol.

**goodhart** · 12-05-2012

How big is the EF2 inlet? 2.5"?

**Kracka** · 12-06-2012

Quote:

Originally Posted by goodhart

How big is the EF2 inlet? 2.5"?

Right about that. The EF2 reuses the stock turbo inlet elbow.

**JET** · 12-06-2012

Ooooh, shiny!

**Kracka** · 12-09-2012

MAP EF2.5 installed and tuned by Cobb yesterday while I was in Austin, TX for an event.

426whp
393wtq
27.69 psig (peak) holding a flat 26 past redline.

Still on 93-octane pump gas and stock cams! Solid gains over the EF2, but definitely lost some spool and response. This is with the 3" anti-surge cover, but MAP also sent me a 3" standard cover so I'm thinking if I swap that one on I'll gain back some spool and response. I'll talk to MAP about it and go from there. The car is definitely a beast for a DD, and I believe this is the farthest Cobb has ever pushed the stock cams and it's getting up there for pump gas numbers too. My previous results on the EF2 were 413/384; peak boost was right about the same, ~27psi. I think this is yet another good turbocharger option from MAP. While not replacing any of the current models, it's a good fit between the EF2 and EF3 as intended.

small chart:

big chart: