Finally bit the bullet and bought some killer heads.

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fiveo'cobra

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Apr 27, 2006

#1

• Apr 27, 2006

• #1

Some of you may know my car's history in the past half year or so, but its been through alot. I'm on my fourth set of heads because i keep running into deals that i can't refuse, but this is my last one for a while .

I got rid of my stock heads about half a year ago for some ported/polished/worked GT40 irons and then just sold those while i threw on some GT40X heads. Ran the car with those and i wasn't suprised that it didn't pull much harder than with the worked iron heads so lately i've been on the prowl for something nice. Had my eye set on some performers and some TW's, but then i found these on ebay and couldn't refuse:

http://cgi.ebay.com/ebaymotors/Canf...058080775QQcategoryZ33617QQrdZ1QQcmdZViewItem

These are pushing the limits of a 302ci motor, but i talked to a tech guy at canfield and he said i shouldn't be lagging in power as long as i had a good flowing intake and supporting hardware for them. At least if i decide to boost or up displacement in the future i won't have to switch heads.

I did a little calculation and if i had bought these straight from Canfield in stock form instead with all the aftermarket stuff listed and had the port work done after, i would have spent nearly $2800 for these.

Car should be fun this time around. Will deff. post pics and vids later on.

 

Roland69

Sergeant Tangnet

Sep 17, 2005

2,867

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58

Port Elgin, Ontario

Apr 27, 2006

#2

• Apr 27, 2006

• #2

I was told by a guy with a 8 sec 85 GT if you think it's to big get it. He said he would buy something and get something else and have to sell the first thing and get bigger to go with the second thing and so on and so on.

 

SeventyMach1

Keep it lubed .... keep it straight .... and keep

Mar 30, 2005

1,940

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North Carolina

Apr 27, 2006

#3

• Apr 27, 2006

• #3

What/ how do they flow?

 

BlackVert

15 Year Member

Oct 3, 2003

5,589

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Bethesda, MD

Apr 27, 2006

#4

• Apr 27, 2006

• #4

great find! keep us posted

what lower intake do you have on it?

 

Killercanary

The car that set the bar.

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Nov 29, 1999

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Apr 27, 2006

#5

• Apr 27, 2006

• #5

Do you have aftermarket pistons? You will need them with their 2.02" valve and it appears they have been milled. If you plan to put a blower on it down the road you will need a set of dished pistons as your compression is going to be fairly high with a 54cc chamber.

 

Zero Signal

Active Member

Feb 24, 2003

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Apr 27, 2006

#6

• Apr 27, 2006

• #6

$1200 for heads that need a valve job? Where in-lies the good deal? You don't even know what springs those are. I don't see these performing that much better than a quality CNC ported head that would run $1200. And you hope that those valves are still the right size after the valve job.

 

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Green 94 5.0

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Mar 25, 2002

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Apr 27, 2006

#7

• Apr 27, 2006

• #7

well, dont be surprised if the car is unimpressive to you with those heads. i had a set of ported tw heads on mine (which have the same valve sizes) with a tfs stage 1 cam and gt40 intake (all exhaust and fuel mods as well). the car didnt start to pull until around 3k. it had nothing down low. without bumping up the cubes or adding a power adder, you will almost certainly not be happy with the cars performance. that is simply way too much head for a stock bottom n/a 302. keep us updated though. since every combo is different and the flow numbers between the heads i had and those canfields are certainly different, i very well may be wrong.

 

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fiveo'cobra

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Apr 27, 2006

#8

• Apr 27, 2006

• #8

Killercanary said:

Do you have aftermarket pistons? You will need them with their 2.02" valve and it appears they have been milled. If you plan to put a blower on it down the road you will need a set of dished pistons as your compression is going to be fairly high with a 54cc chamber.

Click to expand...

The X heads i ran had 2.02 intake valves and i was running 1.7's with my E-cam on their 55cc chambers no problems. I'm not planning on going boosted anytime in the near future. If there is some sort of clearance problem, i'll probably just switch to 1.6's and get a bigger cam.

 

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fiveo'cobra

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Apr 27, 2006

#9

• Apr 27, 2006

• #9

Zero Signal said:

$1200 for heads that need a valve job? Where in-lies the good deal? You don't even know what springs those are. I don't see these performing that much better than a quality CNC ported head that would run $1200. And you hope that those valves are still the right size after the valve job.

Click to expand...

Go buy a brand new set of canfields, ferrera valves, .600 lift springs (Yes i know what they are i asked for their part number), and then have them ported by Nightmare. If you have some connections you might be able to get it all for less than $2000. Valve jobs are no mountain to climb. I get mine done for $100 at PAR racing. And i have no idea what your last sentence means. Valves aren't going anywhere.

Edit*--- i have a ported cobra lower and extrude honed upper.

 

W

wytstang

Mustang Master

Mar 14, 2004

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Summerville,SC missing South Fl. weather :(

Apr 27, 2006

#10

• Apr 27, 2006

• #10

Sweet mang....

 

G

Green 94 5.0

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Apr 27, 2006

#11

• Apr 27, 2006

• #11

fiveo'cobra said:

The X heads i ran had 2.02 intake valves and i was running 1.7's with my E-cam on their 55cc chambers no problems. I'm not planning on going boosted anytime in the near future. If there is some sort of clearance problem, i'll probably just switch to 1.6's and get a bigger cam.

Click to expand...

did you have the x heads worked? my gt40x's were 54cc, 1.94, 1.54.

 

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fiveo'cobra

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Apr 27, 2006

#12

• Apr 27, 2006

• #12

Green 94 5.0 said:

did you have the x heads worked? my gt40x's were 54cc, 1.94, 1.54.

Click to expand...

Yup the X heads had mildly ported exhaust outlets, 2.02's, and 1.6's. Also had some Trickflow springs on them. Nice heads, but just didn't have the umph i expected. They pulled a bit harder than the worked irons i had on the car before that with 1.94's.

 

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bimmertech

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Apr 27, 2006

#13

• Apr 27, 2006

• #13

good luck, looks sweet. if i had to do over i would have bought some worked vic jrs right from the get go.

i have heard from several engine guys that they can go with a tf stage2 cam with 2.02 on a stock shortblock and maintain p/v clearance. gonna need to check to be safe though as the valve spacing will prolly be different than those x heads. check out chp for a shaft rocker setup. then get a dart block, cog drive blower, fuel system, viper spec T56, cage, built rear....

 

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fiveo'cobra

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Apr 28, 2006

#14

• Apr 28, 2006

• #14

Thanks for the advice bimmer, but as far as the other stuff, i think we're getting ahead of ourselves hahah.