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Old 08-29-2009, 01:43 AM   #201
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are these available in bare form??
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Old 08-31-2009, 09:40 AM   #202
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are these available in bare form??

Yes they are. Here is the part number TFS-3041B008-CNC.
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Old 08-31-2009, 01:02 PM   #203
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Is there any dyno graphs for these heads yet? Anyone try them yet? Is .600 were they fall off, flow wise?
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94 Z28,CPT RACE 4l60E,Fuddle 3000, 146,000 miles, 3.42's, free mods,160 stat,LT4 hotcam kit, Homemade CAI , BR7EFs@0.035, stock injectors,Pacesetter LT"S,2.5" true duals , Nitrous Outlet plate kit 150 shot, walbro 255lph.tuned by me,Stock suspension, minor weight reduction 13.92@98mph/12.0@112 1.72 60ft 318RWHP/461RWHP @ 7800 DA
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Old 08-31-2009, 11:03 PM   #204
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thanks!!
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Old 09-10-2009, 10:19 PM   #205
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So these are sold out at Summit. So I know some of you guys have them Anyone dyno these things yet?
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94 Z28,CPT RACE 4l60E,Fuddle 3000, 146,000 miles, 3.42's, free mods,160 stat,LT4 hotcam kit, Homemade CAI , BR7EFs@0.035, stock injectors,Pacesetter LT"S,2.5" true duals , Nitrous Outlet plate kit 150 shot, walbro 255lph.tuned by me,Stock suspension, minor weight reduction 13.92@98mph/12.0@112 1.72 60ft 318RWHP/461RWHP @ 7800 DA
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Old 09-15-2009, 10:08 PM   #206
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Nobody?
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94 Z28,CPT RACE 4l60E,Fuddle 3000, 146,000 miles, 3.42's, free mods,160 stat,LT4 hotcam kit, Homemade CAI , BR7EFs@0.035, stock injectors,Pacesetter LT"S,2.5" true duals , Nitrous Outlet plate kit 150 shot, walbro 255lph.tuned by me,Stock suspension, minor weight reduction 13.92@98mph/12.0@112 1.72 60ft 318RWHP/461RWHP @ 7800 DA
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Old 09-23-2009, 04:24 PM   #207
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I hope someone who has purchased these will give us a dyno from them on a car.
P.S. Nice car Pyro
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Old 09-23-2009, 07:34 PM   #208
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Thanks man! Since I wont be able to afford the AI GP Ill be Going with these heads with the hot cam and 1.7 rockers. I like the idea of new castings
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94 Z28,CPT RACE 4l60E,Fuddle 3000, 146,000 miles, 3.42's, free mods,160 stat,LT4 hotcam kit, Homemade CAI , BR7EFs@0.035, stock injectors,Pacesetter LT"S,2.5" true duals , Nitrous Outlet plate kit 150 shot, walbro 255lph.tuned by me,Stock suspension, minor weight reduction 13.92@98mph/12.0@112 1.72 60ft 318RWHP/461RWHP @ 7800 DA
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Old 09-23-2009, 07:44 PM   #209
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I'm interested in this setup and I'd like to know the pros and cons from going to these 21 deg heads over ported stockers.
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Old 09-23-2009, 07:59 PM   #210
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Look through this thread.all the info you need is in it.
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Old 09-23-2009, 08:20 PM   #211
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well it would help if a mod deleted all the sidetracked useless post about the lt4 hot cam
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Old 09-24-2009, 12:14 AM   #212
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Because the angles are rolled on the new TFS 21 heads, wouldn't that be similar to angle milling without changing the deck and intake surface angles? If this were the case would it be possible for you guys to hit the 600rwhp mark with what it takes to hit 560rwhp mark on the TFS 215s? In other words, could you guys work these heads to one up the 215s you have by 40-50hp across the board?
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Old 11-02-2009, 08:59 PM   #213
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I see that these heads have 54cc chambers, but how much further could these be milled down safely to increase the compression ratio even higher? I plan on using these on a 385 E85 build and want some high compression.

Also, I know these are already 21*, but would there be any gain to say rolling them just one more degree to have 20* heads since they will be milled anyway, or would that make the header and intake fitment too much of an issue to be worth it?
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Old 11-02-2009, 09:50 PM   #214
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Quote:
Originally Posted by kgkern01 View Post
I see that these heads have 54cc chambers, but how much further could these be milled down safely to increase the compression ratio even higher? I plan on using these on a 385 E85 build and want some high compression.

Also, I know these are already 21*, but would there be any gain to say rolling them just one more degree to have 20* heads since they will be milled anyway, or would that make the header and intake fitment too much of an issue to be worth it?
would like answers to these questions as well
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Old 11-07-2009, 09:56 PM   #215
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Shoot I was just wanting to see how they performed on a stock cube motor in comparison to some of the other heads out there maybe.
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Old 11-08-2009, 09:09 PM   #216
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X2! Ill be building my car around a set of heads but will be sticking with 350 CI.
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94 Z28,CPT RACE 4l60E,Fuddle 3000, 146,000 miles, 3.42's, free mods,160 stat,LT4 hotcam kit, Homemade CAI , BR7EFs@0.035, stock injectors,Pacesetter LT"S,2.5" true duals , Nitrous Outlet plate kit 150 shot, walbro 255lph.tuned by me,Stock suspension, minor weight reduction 13.92@98mph/12.0@112 1.72 60ft 318RWHP/461RWHP @ 7800 DA
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Unread Yesterday, 02:01 PM   #217
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Going to bump this, anyone have any results from the
over afr 227s?
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