LT1-LT4 Modifications 1993-97 Gen II Small Block V8

LT1 Canfield Heads arrive ...

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Old 12-08-2008, 06:19 PM
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Default LT1 Canfield Heads arrive ...

I purchased these from a fbud on this list here.
CC = 58cc
Intake Valve size = 2.05
Exhaust Valve size = 1.60
Intake flow @ .600 = 270cfm
Exhaust flow @.600 = 200cfm
Intake port runner size = 200cc

I arrived home from work to find this on the front porch...
http://www.taekwondoplus.org/z28/Turbo/Canfield06a.JPG

Tape off the top box ...
http://www.taekwondoplus.org/z28/Turbo/Canfield05a.JPG

Opening one end and exposing the passenger side head ...
http://www.taekwondoplus.org/z28/Turbo/Canfield04a.JPG

Full view of the passenger side head..
http://www.taekwondoplus.org/z28/Turbo/Canfield03a.JPG

Intake port side...
http://www.taekwondoplus.org/z28/Turbo/Canfield02a.JPG
Old 12-08-2008, 06:26 PM
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ohhh purdy! im sure those cost a pretty penny. what size engine are those going on ?
Old 12-08-2008, 06:30 PM
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My T76 Turbo'd 355
Right now I have some ported LT1 castings using LT4 Valve sizes. They flow almost as well. I just wanted the thicker decks of the Canfields for this turbo setup.
Old 12-08-2008, 06:31 PM
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Originally Posted by mightyquickz28
My T76 Turbo'd 355
Right now I have some ported LT1 castings using LT4 Valve sizes. They flow almost as well. I just wanted the thicker decks of the Canfields for this turbo setup.
haha thatll be one awesome build! better be getting some more pics of that when it happens whats going to be done with the old heads ?
Old 12-08-2008, 06:34 PM
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Thanks! There's a good friend here in Houston that said he might want the LT1 heads.
Old 12-08-2008, 08:56 PM
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Project Karate Chop!
Old 12-08-2008, 10:47 PM
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Damn they have not made those in a while?
Old 12-08-2008, 11:12 PM
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Ohh those look nice
Old 12-09-2008, 10:14 AM
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Nice to see someone else with a set of these. I have a pair as well sitting in the garage that I havent gotten to install. Def post up with how they do on the car.
Old 12-09-2008, 11:08 AM
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That's what John at Canfield said. I asked if they had any residual documentation on the heads I could purchase or have. "Nope. We don't have anything on them at all. We quit making them 6 or 7 years ago". I asked if they had a .pdf or something since their current site has such things for their current offerings. "Nope". Geez..... He did indicate info about the head gasket cautions and that the studs were deviated from stock LT1 width.


Originally Posted by TwoFast4Lv
Damn they have not made those in a while?
Old 12-09-2008, 11:10 AM
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Will do! It may take a month or so to get to them since I have a lot of traveling to do between now and Jan 11th. I'm going to drop them off at a local shop to get the new valve seals and a general inspection while I'm gone.

Originally Posted by IrocZ
Nice to see someone else with a set of these. I have a pair as well sitting in the garage that I havent gotten to install. Def post up with how they do on the car.
Old 12-09-2008, 11:29 AM
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Wow, I havent heard Canfeild name in a long time. I have a buddy in NC with these heads that plans on putting them to good use one day.
Old 12-09-2008, 12:26 PM
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GARBAGE, ship them off to me. Since I'm 'disposing' of them for you as a favor, you're going to have to pay shipping as well.

They look purdy.
Old 12-09-2008, 01:36 PM
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Thanks, I think I'll get one dyno just before the head swap, then dyno right after, with no other changes, just to see what differences I can see. It's suppose it's probably not that meaningful since environmental differences from different days can affect the results.

Originally Posted by Formula350
GARBAGE, ship them off to me. Since I'm 'disposing' of them for you as a favor, you're going to have to pay shipping as well.

They look purdy.
Old 12-09-2008, 02:06 PM
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Originally Posted by MEAN LT1
Wow, I havent heard Canfeild name in a long time. I have a buddy in NC with these heads that plans on putting them to good use one day.
Old 12-09-2008, 05:58 PM
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Originally Posted by mightyquickz28
Thanks, I think I'll get one dyno just before the head swap, then dyno right after, with no other changes, just to see what differences I can see. It's suppose it's probably not that meaningful since environmental differences from different days can affect the results.
It'll be cool to see how well they do. Shame the company dude was kind of a dick :\ If I was a company, and just decided to stop making a product, I sure as hell wouldn't chuck all the research that was done. Even IF there was no plans to make them anymore. He's just a lazy *** and doesn't want to get out of his comfy chair and dig in the archives -_-
Old 12-09-2008, 07:43 PM
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Historically, Canfields have worked very well in FI applications. Albeit porting quality.

I used to run a set of them 8 years ago. If you have any questions about them, feel free to drop me a line. I would highly recommend checking the intake port face and intake manifold port face geometry. I had to mill my intake manifold to get it to seal. Also, make sure you use a LT1 intake manifold with them.

Jason
Old 12-09-2008, 08:37 PM
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I just wanted to make sure that I have to use FelPro 1010's head gaskets, stock Intake and exhaust gaskets, do I have to use special rocker arms, what valve seals.
THanks Jason!



Originally Posted by JasonShort
Historically, Canfields have worked very well in FI applications. Albeit porting quality.

I used to run a set of them 8 years ago. If you have any questions about them, feel free to drop me a line. I would highly recommend checking the intake port face and intake manifold port face geometry. I had to mill my intake manifold to get it to seal. Also, make sure you use a LT1 intake manifold with them.

Jason
Old 12-09-2008, 09:49 PM
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I want to sat George(Baxter) was there poster child. They worked great and were a great product but much like what you see today the stock heads were performing well and it was hard to justify the cost unless you needed the thick decks
Old 12-10-2008, 04:55 AM
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Really? George was running these brand heads when he was running so well? That speaks well of them!!! I was sorry to see George 'get out of the game' and sell his car but I guess he's off to conquer other mountains. He sure made that convertable scream. How's your car? I saw your video where you raced and beat that 'busa. That was sweet! Quite a launch you had there.


Originally Posted by TwoFast4Lv
I want to say George(Baxter) was their poster child. They worked great and were a great product but much like what you see today the stock heads were performing well and it was hard to justify the cost unless you needed the thick decks


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