Best Ported Cylinder Head (700+whp)

[TSisleeper]

Like the title implies, I'm looking for some opinions on what everyine thinks is the best cylinder head for making 700+ whp.

So far I've heard of these:

SBR stage 6
AMS Race Port
Magnus
JAM cnc ported
Buschur Stage 3
Fox Lake (shepherd's car)
???

 

[GVR4592]

I think you're going to be better off calling each one of them. It's much easier to get an idea of what they can do for you once you have them on the phone.

 

[fp-green-95tsi]

Polk performance and FFWD are a few more you can call.

 

[TSisleeper]

got a web site for Polk. I've conversted with darren (ffwd) quite a few times already

 

[fp-green-95tsi]

http://polkperformance.com/

 

[tstkl]

machv does too, but I haven't used them, so Im really just putting this out there.

 

[Staytuned]

You could also call Forrester Racing heads.

 

[TSisleeper]

Thanks for all the responses

 

[TSisleeper]

www.shepracing.com

Fox Lake cylinder head!!! I'm ordering one. Forget the rest, get the PROVEN best

 

[nanokpsi]

Polk did the heads for John last year when teh car was breaking records with more weight. Fox Lake is local to John. Not saying which is better but I can attest to the work Polk does. I am a little biased though since he did my longblock for me. The head porting turned out very nice.

 

[hks-gst]

Jackson auto machine or cosworth

 

[TSisleeper]

There all good, just fox lake has a "secret they keep about the bowl porting and camber shrouding" or so they say.

Thanks for all the posts sofar though

 

[fp-green-95tsi]

There all good, just fox lake has a "secret they keep about the bowl porting and camber shrouding" or so they say.

Thanks for all the posts sofar though

Thats just another excuse for them to jack the price up. Just kidding, they have done a few sets of heads for my dads mustang. Im sure you will be more than happy, let us know how you make out down the road.

 

[anubis]

last time i checked, ffwd was still doing R&D on their head porting. i'm not sure when they'll be done, but darren assured me that they were still working on it. here's a link to their heads page: http://www.ffwdconnection.com/heads.shtml

 

[MyBeatGSX]

Jackson auto machine or cosworth

Cosworth does head work on 4G63s? Do you have a link? That sounds interesting...

 

[DSMunknown]

Cosworth does head work on 4G63s? Do you have a link? That sounds interesting...

Yeah, they do, but not on our 4G63s:




http://www.bishopsales.com/cosworth_racing_mitsubishi.html
http://www.hybridconnection.com/cat..._1921&osCsid=ffc23329a0cb4bd32b0ce64f878d7fc0

 

[MyBeatGSX]

Well that sucks...

 

[arash15]

theres always road race engineering too

 

[DSMunknown]

There is also Headgames Motorworks, but I can't seem to find their website (I think it has been dis-continued). But here is what I did find:



http://www.streetperformance.com/parts/headgames_motorworks__&__headgames_cylinder_heads.html
http://www.streetperformance.com/pa...mes_cylinder_heads_porting_and_polishing.html

 

[gixrman]

Is'nt it nice how no one makes an aftermarket head for the 4g63 (ours not the evo's). But HONDA has like 6 companys making there on castings.

 

[DSMunknown]

Is'nt it nice how no one makes an aftermarket head for the 4g63 (ours not the evo's). But HONDA has like 6 companys making there on castings.

What are you talking about? What do you mean by "aftermarket"? Do you mean that the core is required for most companies to work on the head, instead of selling modified heads to the consumer? Please click the link below for another vendor:


Jackson Auto Machine

 

[DSM90AWD]

I've lost count of how many 700+ WHP cars Buschur has whipped up, so them or Shep's new machinist would be my first choices.

I've also seen Mitch (Superata's) work and would also definitely consider his shop (engintecs)

 

[dsm dork]

There all good, just fox lake has a "secret they keep about the bowl porting and camber shrouding" or so they say.

Doesn't everybody?

Just because shep is running a foxlake race head doesn't mean it would be the best setup for you. When it comes to headwork bigger isn't always better, especially if you don't have the setup to go with the headwork.

 

[hks-gst]

Yeah, they do, but not on our 4G63s:




http://www.bishopsales.com/cosworth_racing_mitsubishi.html
http://www.hybridconnection.com/cat..._1921&osCsid=ffc23329a0cb4bd32b0ce64f878d7fc0

Actually they do! they work on six bolt heads.

 

[TSisleeper]

Doesn't everybody?

Just because shep is running a foxlake race head doesn't mean it would be the best setup for you. When it comes to headwork bigger isn't always better, especially if you don't have the setup to go with the headwork.

If you were to send a deposit on one till they came in, and talked to John (shep) you'd realize that the head isn't as crazy as you might imagine. In fact the exhaust ports are acutally smaller then the stage 6 polk head, just my 2 cents though