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Canfield Heads

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Old 02-28-2002, 12:30 PM
  #11
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Like I said DanL, the numbers for the Dart are close, certainly not better than the Canfield out of the box. I have had Dart 320's and Dart 360's, and they are great heads, I currently own EPD ported Brodix heads, and a brand new set of Canfield 350 cc runner heads, I'm certainly not running Dart heads in to the ground(water). Some where along the line Dart's were the new kid on the block, we have come to know and love them. All that I am doing is giving Canfield a good chance by buying their product based on the fact of successful motor combos of friends and colleagues. Further the Canfield are available in several different chamber volumes, it is your choice, and you can get them factory CNC'd.
BIG BLOCK CHEVY - 310 c.c. RUNNER : 24.5-800-119-0
Intake Valve Size 2.25
Exhaust Valve Size 1.88
Intake Port Vol. 310
Chamber Volume 110/113/119/125

INSTRUCTIONS
TECH SHEET

All Canfield aluminum Cylinder Heads are cast from the finest A356 virgin billet, and are heat treated to a T6 condition. Canfield Heads are machined on the latest precision, computer controlled machining centers. As cast 119 c.c. chambers standard. Optional 110/113/119/125 CNC Profiled Chambers Available!



VALVE LIFT .100 .200 .300 .400 .500 .600 .700 .800
Intake Port 72 138 204 266 318 347 353 355
Exhaust Port 74 123 176 205 237 260 273 284
These are typical flow numbers at 28 inches of water measured on a SF 600 bench by an independent shop.



Racer's Pricing
Bare Cylinder heads with as cast 119 c.c. combustion chambers, 310 c.c. intake runners, Manganese bronze valve guides and cast alloy valve seats. Port entry CNC gasket matched for FEL-PRO 20-1275 intake gasket or equivalent.


$ 1,295.00/pair*

*Add $ 100.00 for optional CNC profiled chambers

Assembled Cylinder heads with as cast 119 c.c. combustion chambers, 310 c.c. intake runners, Manganese bronze valve guides and cast alloy valve seats, 2.250 stainless steel intake valves, 1.88 stainless steel exhaust valves and 1.550 dia. valve springs. Port entry CNC gasket matched for FEL-PRO 20-1275 intake gasket or equivalent. $ 1,880.00/pair*

*Add $ 100.00 for optional CNC profiled chambers

Here's the numbers for the 350 cc runner heads.

All Canfield aluminum Cylinder Heads are cast from the finest A356 virgin billet, and are heat treated to a T6 condition. Canfield Heads are machined on the latest precision, computer controlled machining centers. CNC 119 c.c. chambers standard. Optional 110/113/119/125 CNC Profiled Chambers Available!

TYPICAL OUT OF THE BOX NUMBERS
VALVE LIFT .100 .200 .300 .400 .500 .600 .700 .800 .900
Intake Port 82 176 250 313 350 367 376 380 381
Exhaust Port 76 120 175 213 256 284 309 320 322
These are typical flow numbers at 28 inches of water measured on a SF 600 bench by an independent shop. Flow numbers are with pipe.



EXAMPLE OF MILDLY PORTED HEADS
VALVE LIFT .100 .200 .300 .400 .500 .600 .700 .800 .900
Intake Port 77 156 229 302 349 380 398 406 409
Exhaust Port 74 123 176 205 237 260 273 284 284
These are typical flow numbers at 28 inches of water measured on a SF 600 bench by an independent shop. Flow numbers are without pipe.



Racer's Pricing
Bare Cylinder heads with CNC profiled 110, 113,119 or 125 c.c. combustion chambers, 350 c.c. intake runners, Manganese bronze valve guides and cast alloy valve seats. Port entry CNC gasket matched for FEL-PRO 20-1275 intake gasket or equivalent.


$ 1,495.00/pair

Assembled Cylinder heads with CNC profiled 110, 113,119 or 125 c.c. combustion chambers, 350 c.c. intake runners, Manganese bronze valve guides and cast alloy valve seats, premium race quality 2.300 stainless steel intake valves, 1.88 stainless steel exhaust valves and 1.55 or 1.625 dia. valve springs. Chromemoly 10 degree locks and spring retainers. Port entry CNC gasket matched for FEL-PRO 20-1275 intake gasket or equivalent. All assemblies also include intake and exhaust bowl blending.


$ 1,995.00/pair

Last edited by jspeeddemon; 02-28-2002 at 12:33 PM.
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Old 02-28-2002, 01:51 PM
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Thanks for the info guys. Who is EPD? do they have a website?

Thanks Again
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Old 02-28-2002, 02:46 PM
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I have flow benched all the major after market heads and to date only Canfield and Brodex have flowed per their adds. The rest were blowing smoke or flowing core boxes not castings. Doing a set of the new world bbc right now ... real tests not mfg adds. If any one is interested in the results or results for other heads we have done let me know. The Canfields simply give the most flow for the port volume also there numbers will keep going up till you go through a port wall. All others go turbulent before that happens.
 
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Old 02-28-2002, 02:53 PM
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Hi turbo 2256 how can I get incontact with you. Could you please send me # i can call. Thanks.
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Old 02-28-2002, 08:26 PM
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Hey Cigarette 39 I'll get you that camshaft profile for the 605, I think the guy is leaving for Daytona Bike Week, I'll see if I can get him before he takes off.
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Old 02-28-2002, 08:56 PM
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the numbers I posted for the Dart were tests by an independent head shop. As I said, my incentive is the price. The Canfields had a reputation of being thinner and lighter.
 
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Old 02-28-2002, 09:35 PM
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I bought two sets last winter. I am extremly happy with them. I bought the 310 runners, the 113 chambers. The Canfield tech rep lives about ten minutes from my house(I found this out when I was ordering them) He gave me a # for one of his dist. and said he would probably give me the best price.
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Old 03-01-2002, 08:04 AM
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KAAMA 82 COULD YOU POST THE # FOR THE DIST. YOU BOUGHT THE HEADS FROM. THANKS.
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Old 03-05-2002, 12:49 PM
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JimV flowed my Dart aluminum 310 PRO-1 heads right out of the box and was practically ashamed to let me see the numbers. He said what Dart was advertising and what they actually flowed were not accurate. Fully ported or even mildly ported they seem to be a good head...he got them working pretty well for me, but out of the box you won't see much difference. Testing was done @28" of water.

I know some guys who went from GM rectangle port heads to the out-of-the-box Dart 310 Pro-1's and saw no increase on the dyno or in their boats. Needless to say, for the high expectations that they had and the money they spent, they were pretty disappointed with the final results.

Last edited by KAAMA; 03-05-2002 at 12:54 PM.
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Old 03-05-2002, 05:48 PM
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As I have stated before the only after market heads that have flowed as advertzedare Canfield and Brodex within 5cfm everytimeon our bench . Out of the box, factory ported or custom. Also machine work on the afore mentioned heads are is superior to the competitors.we are flowing aset of Canfields and a set of factory ported Pro 1s right now asa study results I willpublish here soon.
 
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