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Dyno proven TFS Head/Cam combinations

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Old 10-03-2006, 02:40 PM
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Originally Posted by Brian Tooley
So why is it so hard to believe that the new TFS LS1 head is 10-20 HP better then the competition?????
Because I need dyno graphs and independent results/confirmation before I believe something.
Old 10-03-2006, 03:06 PM
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Well, since heads up testing the TFS heads is no longer advantageous to the west coast crowd, I'll say you will never see it happen. TFS needs an east coast editor who isn't afraid to print the truth.
Old 10-03-2006, 06:04 PM
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Originally Posted by Brian Tooley
Well, since heads up testing the TFS heads is no longer advantageous to the west coast crowd, I'll say you will never see it happen. TFS needs an east coast editor who isn't afraid to print the truth.
Brian there has to be more to this story. Don't bite your tongue, spit it out.

Bruce
Old 10-03-2006, 06:43 PM
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225 4"bore heads milled to 60cc and a cometic 40 would give what comp ratio? would this clear your 228/232 cam without flycutt?
Old 10-04-2006, 07:03 AM
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Originally Posted by Z06 Steve
225 4"bore heads milled to 60cc and a cometic 40 would give what comp ratio? would this clear your 228/232 cam without flycutt?
If my calculations are correct, you would have around 12:1 on a LS2 engine, and the cam will fit with no problems, I don't know if I would go with that much compression though.
Old 10-04-2006, 07:07 AM
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Originally Posted by Hardtop
Brian there has to be more to this story. Don't bite your tongue, spit it out.

Bruce
I have already said too much
Old 10-04-2006, 04:05 PM
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Originally Posted by Z06 Steve
can they be purchased milled to customer specs? I'm looking for 11:00 to 1 at least with stage 3 cam. what head gasket? no flycut...maybe you can develope a recipie for the stage 3.
225 heads best with a LS2 6.0?
Old 10-04-2006, 05:03 PM
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Originally Posted by Z06 Steve
225 heads best with a LS2 6.0?
Just got a report back on a C6 LS2 engine with the TFS 225 heads and 12:1 compression and it has NO KNOCK

This particular combo should be over 500 RWHP, so yes, the TFS 225 "LS2" is the best head for your engine. TFS actually designed this head for an LS2, they are working on a bigger port for 402-408 engines, but they won't know if it will make more power till they get it tested.
Old 10-04-2006, 05:36 PM
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what cc's do the 225's come in?
Old 10-05-2006, 06:36 AM
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Originally Posted by Z06 Steve
what cc's do the 225's come in?
The TFS 225 comes with a 65cc chamber, we also offer an optional 69cc chamber with slightly more midlift flow.
Old 10-05-2006, 09:04 AM
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I hear there is a recall on TFS heads.Is this right?If so,what is the problem so people can look out for it?
Old 10-05-2006, 01:44 PM
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Originally Posted by Slowhawk
I hear there is a recall on TFS heads.Is this right?If so,what is the problem so people can look out for it?
Great....please fill us in. Are there plans to contact customers?
Old 10-05-2006, 02:59 PM
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Originally Posted by Cobraeater
Because I need dyno graphs and independent results/confirmation before I believe something.

so what do you call this?

Next your going to say, "I need to be there when they do the dyno tests."
Old 10-05-2006, 03:49 PM
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Originally Posted by eamador11
so what do you call this?

Next your going to say, "I need to be there when they do the dyno tests."
I was asking for dyno graphs with other competitor's heads versus the Trickflow heads. Not a graph with different cams with the same Trickflow heads on it which still is good info, but I already saw the graph when it was first posted.

Read my post and Tooley's quote again and you might figure out what I was asking for.
Old 10-05-2006, 08:11 PM
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Originally Posted by JBM
Great....please fill us in. Are there plans to contact customers?

They are contacting the customers.

These heads cannot be used with the stock rockers. rollers have to be used or the rebuilt Harland Sharp stock rockers (EDIT)will not work i have been told

I am just heading out to the garage right now to tear it down and see whats up. I put about 1200 miles on the car so far with the stock rockers hope there is no damage to the valves we will see.

Brian called me last night and was very helpful and said my new rockers will be here tomorrow ups overnight.

nothing wrong with the heads

Last edited by rmitchell242; 10-06-2006 at 08:32 AM.
Old 10-05-2006, 10:00 PM
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Originally Posted by rmitchell242
They are contacting the customers.

These heads cannot be used with the stock rockers. rollers have to be used or the rebuilt Harland Sharp stock rockers will work as well i guess.

I am just heading out to the garage right now to tear it down and see whats up. I put about 1200 miles on the car so far with the stock rockers hope there is no damage to the valves we will see.

Brian called me last night and was very helpful and said my new rockers will be here tomorrow ups overnight.

nothing wrong with the heads

Got the phone call too, but my motor isnt even here yet. SO, i think its pretty cool that they found the problem and are fixing it ASAP. I dont even think its a problem, from what i understand, there was ONE set of heads with stock rockers on it that messed up a valve tip.. could have been an instilation problem for all I know.. but in order to play it safe until they know 100% for sure what the problem was, they are doing this to take care of us until they do know..
Old 10-05-2006, 10:22 PM
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Originally Posted by chrismcdaniel
Got the phone call too, but my motor isnt even here yet. SO, i think its pretty cool that they found the problem and are fixing it ASAP. I dont even think its a problem, from what i understand, there was ONE set of heads with stock rockers on it that messed up a valve tip.. could have been an instilation problem for all I know.. but in order to play it safe until they know 100% for sure what the problem was, they are doing this to take care of us until they do know..

edit for now

Last edited by rmitchell242; 10-05-2006 at 11:10 PM.
Old 10-05-2006, 10:39 PM
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i don't know how you can come to the conclusion that there is nothing wrong with the heads and yet you can't use stock rockers. wtf. i wasn't planning of spending more dam money on rockers on thier account. looks like i will be calling and canceling my order
Old 10-05-2006, 10:51 PM
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woops, looks like there is going to be a job opening soon lol
Old 10-05-2006, 11:26 PM
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Originally Posted by BLUEBALLS ZZ
i don't know how you can come to the conclusion that there is nothing wrong with the heads and yet you can't use stock rockers. wtf. i wasn't planning of spending more dam money on rockers on thier account. looks like i will be calling and canceling my order
There was ONE incident where a valve tip got messed up. They dont even know rather it was poor instilation or an actual problem with the head. So, they are informing all of us who had planned on useing stock Rockers of the situation until they know for sure.. Im sure Brian Tooley will get in here and clear it up.


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