OEM camshaft specs?

vetteeatr · 01-03-2002, 10:35 AM

Well my motor is modded ou but has the factory cam and it hit the valves on my windsor senior heads.

I have 10:1 compression flat-top pistons that we roughly fly cut just to have everything clear again

Basically i was wanting to knwo OEM specs and a cam that i could use wiht the same lift or less that is a good components for my heades and a holley systemax intake........

Or am i gonna have to get a bigger lift cam?

MikeWeber · 01-04-2002, 05:06 AM

If the valves hit on the stock cam with 1.6 RR I would wonder if something was wrong, even with the 2.02 valves of the Sr. heads. The stock cam specs are roughly 206/206@0.050 or 266/266 seat-to-seat with .444/.444 lift and a 115 degree lobe seperation.

fastbird · 01-04-2002, 11:34 AM

Here are the specs for the 91 and up 5.0 HO:

Intake, .277" lobe lift (.443 w/1.6's, .471 w/1.7's) 116 degree intake centerline, 210 degrees of duration at .050".

Exhaust, .278" lobe lift (.445" w/1.6's, .473 w/1.7's) 115 degree exhaust centerline and 210 degrees of duration at .050".

This total cam has a lobe seperation of 115.5 degrees and is ground with .5 degrees retard built in.

PS...this comes from the engineering specifications inside Ford.

Mitch

Quote:

Basically i was wanting to knwo OEM specs and a cam that i could use wiht the same lift or less that is a good components for my heades and a holley systemax intake........

Or am i gonna have to get a bigger lift cam? [/B]

Mach 1 · 01-04-2002, 01:23 PM

FRPP web site list the stocker as :

-Stock 5.0L HO can advertised specs are 266 degrees/266 degrees duration, 0.444"/0.444" lift

UNICORN · 01-05-2002, 12:38 PM

That's funny... I've got dart sr heads too (alum.) and i'm running that comp cams xe274hr cam, stock type trw pistons too with valve reliefs, i don't have any valve clearance problems at all.

vetteeatr · 01-06-2002, 10:50 AM

Well these are the World products heades an diactually i think the valves are 2.05 and 1.60. But i thoguth it was kinda strange to....

What do i need ot do as i wan tot mod my motro more but dont wan to do it all then tear it apart again

UNICORN · 01-06-2002, 08:15 PM

My advice: pull the engine and have a good machine shop professionally build it for you, that's what i did.
I probably could have done it myself, but i also wanted it balanced, the oil system modified, heck they did everything for me, all i had to do was put the accessories on it , etc, and drop it in. I had invested too much $$ in parts and didn't want to take any chances. and to be honest with you for all i know they may have fly cut the pistons even more- i dunno, i didn't even ask 'em
'cause i was so excited to finally get it!

Oh yeah, my heads ARE WORLD heads too and i also have the same size valves you do..
anyways- goodluck!

01-03-2002, 10:35 AM	#1
vetteeatr Registered Member Join Date: Apr 2001 Location: Olney, Illinois, USA Posts: 212	OEM camshaft specs? Well my motor is modded ou but has the factory cam and it hit the valves on my windsor senior heads. I have 10:1 compression flat-top pistons that we roughly fly cut just to have everything clear again Basically i was wanting to knwo OEM specs and a cam that i could use wiht the same lift or less that is a good components for my heades and a holley systemax intake........ Or am i gonna have to get a bigger lift cam?

01-04-2002, 05:06 AM	#2
MikeWeber Registered Member Join Date: Aug 2001 Location: Louisville, KY, USA Posts: 48	If the valves hit on the stock cam with 1.6 RR I would wonder if something was wrong, even with the 2.02 valves of the Sr. heads. The stock cam specs are roughly 206/206@0.050 or 266/266 seat-to-seat with .444/.444 lift and a 115 degree lobe seperation. __________________ 88 NMRA Pure Street coupe 95 GT-heads, cam, exhaust, intake, road-race suspension 97 Taurus SHO-K&N, ported meter 95 Escort GT-Pacesetter header & exhaust, Weapon R intake tube

01-04-2002, 01:23 PM	#4
Mach 1 Registered Member Join Date: May 1999 Location: Georgia Posts: 3,866	FRPP web site list the stocker as : -Stock 5.0L HO can advertised specs are 266 degrees/266 degrees duration, 0.444"/0.444" lift __________________ 2002 GT 1993 GT (SOLD) '93 Mustang GT RHC member #142

01-06-2002, 08:15 PM	#7
UNICORN Registered Member Join Date: Jan 2002 Location: Mesquite Posts: 12	My advice: pull the engine and have a good machine shop professionally build it for you, that's what i did. I probably could have done it myself, but i also wanted it balanced, the oil system modified, heck they did everything for me, all i had to do was put the accessories on it , etc, and drop it in. I had invested too much $$ in parts and didn't want to take any chances. and to be honest with you for all i know they may have fly cut the pistons even more- i dunno, i didn't even ask 'em 'cause i was so excited to finally get it! Oh yeah, my heads ARE WORLD heads too and i also have the same size valves you do.. anyways- goodluck! Last edited by UNICORN; 01-06-2002 at 08:21 PM..

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01-05-2002, 12:38 PM	#5
UNICORN Registered Member Join Date: Jan 2002 Location: Mesquite Posts: 12	That's funny... I've got dart sr heads too (alum.) and i'm running that comp cams xe274hr cam, stock type trw pistons too with valve reliefs, i don't have any valve clearance problems at all.

01-06-2002, 10:50 AM	#6
vetteeatr Registered Member Join Date: Apr 2001 Location: Olney, Illinois, USA Posts: 212	Well these are the World products heades an diactually i think the valves are 2.05 and 1.60. But i thoguth it was kinda strange to.... What do i need ot do as i wan tot mod my motro more but dont wan to do it all then tear it apart again