intake manifold/heads...98 cobra?

98cobra · July 13th, 2008, 03:44 AM

I cant seem to find any company that makes an aftermarket IM. Does anyone know of one. Also what are some good heads to get on a 98 cobra 4v motor? or do the stock one flow just as well?

July 13th, 2008, 05:23 AM

I will do some checking around also because I was wondering the same thing..

July 13th, 2008, 05:33 AM

This is the only thing I can find..

Speed Concepts - M-9424-T46 - FR500 Intake manifold assembly kit fits 1996-1998 with FR500 heads or 1999-2001 stock Cobra heads

Doc8224 · July 13th, 2008, 07:41 AM

There is only the FR500 intake. You can have yours Port and Polished and the runners shortened for more power. As for your heads. there are better flowing heads but it would be good to just have yours Port and Polished

SWEET2KSTANG · July 13th, 2008, 07:44 AM

the bheads flow very well. they flow too much for DD routine, that is why they have imrc's. they do very well ported, and will make plenty of power. the c heads do better for DD routines and are better chen compared stock to stock with the b head. there is not an aftermarket head casting for the 4.6, all heads are worked over ford castings. as far as intake manifolds go, there are a few places that are making intakes for them but they are very expensive. the answer for those intake are to have them ported and runners cut down. it comes down to how much you want to spend and what you want to do with your car.

July 13th, 2008, 08:16 AM

+1

FM1R · July 13th, 2008, 01:38 PM

+1 Doc and +1 Sweet

oc192 · July 13th, 2008, 10:14 PM

Before changing your IM what is it your trying to accomplish? For as the heads Doc is correct the FR500 are the best heads for your car. If your planning to add a SC in the future you want to think everything out. Take a look at this shop they are doing some amazing work.

Pro Weld Performance Parts

ReverendDexter · July 13th, 2008, 11:37 PM

Originally Posted by oc192

Before changing your IM what is it your trying to accomplish? For as the heads Doc is correct the FR500 are the best heads for your car.

Wait, what? That's not what Doc said... (emphasis below is mine)

Originally Posted by Doc8224

There is only the FR500 intake. You can have yours Port and Polished and the runners shortened for more power. As for your heads. there are better flowing heads but it would be good to just have yours Port and Polished

And how can you ask what he's trying to accomplish, but say the FR500 heads will be the "best for his car" in the next sentence? I'm gonna go out on a limb and say porting his b-port heads is going to be cheaper than buying FR500s, and will have just as good of results under boost.

FM1R · July 13th, 2008, 11:52 PM

Originally Posted by ReverendDexter

Wait, what? That's not what Doc said... (emphasis below is mine)

And how can you ask what he's trying to accomplish, but say the FR500 heads will be the "best for his car" in the next sentence? I'm gonna go out on a limb and say porting his b-port heads is going to be cheaper than buying FR500s, and will have just as good of results under boost.

I beleive that there was a similar discussion in a thread about a month back.

Doc8224 · July 14th, 2008, 12:36 AM

Why is what I said being argued over? I am talking about the fr500 manifold not the heads. I never said Fr500 heads.

FM1R · July 14th, 2008, 10:18 AM

That is why I referenced the last thread

oc192 · July 14th, 2008, 10:41 AM

All of your are correct. I apologize DOC for mis-reading what you said. Nor am I question what you said. I was agreeing with you and asking what his plans are in the future for as building hp. Again, I apologize.

FM1R · July 14th, 2008, 12:03 PM

Originally Posted by Doc8224

Why is what I said being argued over? I am talking about the fr500 manifold not the heads. I never said Fr500 heads.

My reference was to bring in mind the arguement that happened, in hope that we don't have a repeat. Relax Doc, I got ya

Doc8224 · July 14th, 2008, 03:06 PM

Originally Posted by futureMACH1racer

My reference was to bring in mind the arguement that happened, in hope that we don't have a repeat. Relax Doc, I got ya

I feelsya dog

No harm no foul.

Mustang RacR94 · July 15th, 2008, 09:34 AM

there's a ad in MMFF towards the back thatd for a company that has a lower manifold that let's you run a carb but it still keeps you Efi thu lol

bitemark46 · July 15th, 2008, 11:56 AM

FR500 IM is only for 99+ heads. Aside from HCI, currently there is no intake for the b-heads. And I don't think HCI is in business anymore but I could be wrong. Scott at Sullivan Performance is in the progress of releasing a intake for the b-heads. Supposedly it picked up 60hp at peak. There is a thread on Modularfords about it. The only other option is to make a shortrunner out of your stock intake. There are still a few guys that do it, I myself are one. Typical gains range from 15-20rwhp but under the curve I picked up as much as 30rwhp.

Skip the port job on your b-heads. Just do a simple vavle job and open up the exhaust a little. That's all you need. -Mark

July 13th, 2008, 03:44 AM	#1
98cobra Newbie 1998 Mustang Join Date: Jun 2008 Location: Virginia Posts: 18 iTrader: 0 reviews	intake manifold/heads...98 cobra? I cant seem to find any company that makes an aftermarket IM. Does anyone know of one. Also what are some good heads to get on a 98 cobra 4v motor? or do the stock one flow just as well?

July 13th, 2008, 07:41 AM	#4
Doc8224 N/A 4v Guru 2003 Mach 1 Join Date: Oct 2007 Location: Afghanistan Posts: 3,483 Blog Entries: 2 iTrader: 1 reviews	There is only the FR500 intake. You can have yours Port and Polished and the runners shortened for more power. As for your heads. there are better flowing heads but it would be good to just have yours Port and Polished __________________ Military Crew U.S. Army Aviation Apache's Lead The Way

July 13th, 2008, 07:44 AM	#5
SWEET2KSTANG mm's nitrous mod 2000 mustang gt 11.79@115.83 (old set up) Join Date: Oct 2006 Location: N.W. AR Posts: 12,856 iTrader: 8 reviews	the bheads flow very well. they flow too much for DD routine, that is why they have imrc's. they do very well ported, and will make plenty of power. the c heads do better for DD routines and are better chen compared stock to stock with the b head. there is not an aftermarket head casting for the 4.6, all heads are worked over ford castings. as far as intake manifolds go, there are a few places that are making intakes for them but they are very expensive. the answer for those intake are to have them ported and runners cut down. it comes down to how much you want to spend and what you want to do with your car. __________________ project warhorse under construction wagon burner built! track times coming soon!(04 lightning) being built by MP2 Performance follow shop builds on facebook at: MP2 Performance

July 13th, 2008, 01:38 PM	#7
FM1R MM Ninjas! Join Date: Sep 2007 Location: United States of America Posts: 12,317 iTrader: 0 reviews	+1 Doc and +1 Sweet __________________ Be polite. Be professional. But have a plan to kill everyone you meet.

July 14th, 2008, 12:36 AM	#11
Doc8224 N/A 4v Guru 2003 Mach 1 Join Date: Oct 2007 Location: Afghanistan Posts: 3,483 Blog Entries: 2 iTrader: 1 reviews	Why is what I said being argued over? I am talking about the fr500 manifold not the heads. I never said Fr500 heads. __________________ Military Crew U.S. Army Aviation Apache's Lead The Way

July 13th, 2008, 05:23 AM	#2
BlackSunshine Guest Posts: n/a	I will do some checking around also because I was wondering the same thing..

July 13th, 2008, 05:33 AM	#3
BlackSunshine Guest Posts: n/a	This is the only thing I can find.. Speed Concepts - M-9424-T46 - FR500 Intake manifold assembly kit fits 1996-1998 with FR500 heads or 1999-2001 stock Cobra heads

July 13th, 2008, 08:16 AM	#6
BlackSunshine Guest Posts: n/a	+1

July 13th, 2008, 10:14 PM	#8
oc192 Newbie 2004 Mustang Mach I 12.11@115.74 Join Date: Jun 2008 Location: Los Angeles Posts: 43 iTrader: 0 reviews	Before changing your IM what is it your trying to accomplish? For as the heads Doc is correct the FR500 are the best heads for your car. If your planning to add a SC in the future you want to think everything out. Take a look at this shop they are doing some amazing work. Pro Weld Performance Parts

July 14th, 2008, 10:18 AM	#12
FM1R MM Ninjas! Join Date: Sep 2007 Location: United States of America Posts: 12,317 iTrader: 0 reviews	That is why I referenced the last thread __________________ Be polite. Be professional. But have a plan to kill everyone you meet.

July 14th, 2008, 10:41 AM	#13
oc192 Newbie 2004 Mustang Mach I 12.11@115.74 Join Date: Jun 2008 Location: Los Angeles Posts: 43 iTrader: 0 reviews	All of your are correct. I apologize DOC for mis-reading what you said. Nor am I question what you said. I was agreeing with you and asking what his plans are in the future for as building hp. Again, I apologize.

July 15th, 2008, 09:34 AM	#16
Mustang RacR94 MM Fanatic 99 cobra N/A Join Date: Dec 2006 Location: Fayetteville NC Posts: 3,203 iTrader: 0 reviews	there's a ad in MMFF towards the back thatd for a company that has a lower manifold that let's you run a carb but it still keeps you Efi thu lol __________________ 99 Cobra 03 Cobra motor AFCO H/E Pulley JLT CAI BBK L/T off road H/steeda catback SCT MAF Tune 03 cobra pumps HVGC

July 15th, 2008, 11:56 AM	#17
bitemark46 Regular Join Date: May 2008 Location: Tampa, Fl Posts: 411 iTrader: 0 reviews	FR500 IM is only for 99+ heads. Aside from HCI, currently there is no intake for the b-heads. And I don't think HCI is in business anymore but I could be wrong. Scott at Sullivan Performance is in the progress of releasing a intake for the b-heads. Supposedly it picked up 60hp at peak. There is a thread on Modularfords about it. The only other option is to make a shortrunner out of your stock intake. There are still a few guys that do it, I myself are one. Typical gains range from 15-20rwhp but under the curve I picked up as much as 30rwhp. Skip the port job on your b-heads. Just do a simple vavle job and open up the exhaust a little. That's all you need. -Mark __________________ -Mark- 98' N/A Cobra (Stock longblock) 11.79 at 114.64 (1.62 60ft)

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