We just finished our new 225cc program for the new Trick flow LS-1 head. It is intended for Ls-2's or any 4.00" bore ls-1 up to 400 Cubic inches. It uses a 2.055" intake valve and the same 1.57 exhaust valve and port that the 215cc head does.It finished up with a 66cc chamber and a healthy .160" valve drop. This is about .005" more than the 215 head with the 2.040" valve! Should be able to run huge cams without any p-v problems. Cost is $2399.00 assembled with Ferrea valves, dual gold springs, and titanium retainers. Here are some flow numbers

I E
.100 70. 54.
.200 146 122
.300 227 187
.400 272 231
.500 317 250
.550 333 255
.600 343 257
.650 348
Flowed on a 4.030 fixture @ 28" a 4" pipe was used on exhaust.

 

Wow those are some awesome flow numbers! How would that work on a 346 with a 240+ cam, 4400 stall and 90/90 intake setup? It'd eventually go to a 408 but it'd be on the 346 for at least a year.

 

Nice numbers, and I will add this before other people post it.
Many of you will see the 66cc head and will wonder why. Thinking that a 62cc would be better.
Well this head will be on a 370/402/408 more often then anything else and will already have added compression due to the larger bore and or longer stroke.

 

It should still run very good. Although it won't flow as advertised due to shrouding of the intake valve. I suppose the next question will be can we put a small chamber with this port/valve and make it work....stay tuned, I'll post results on that. It should fit with the 240 cam no problem.

 

Although it's too late in my case, I"ll be intrested to see how these end up performing on 400+ Ci setups... the flow looks promising

 

There is also sufficient material to mill to smaller chambers if needed.

 

I know, just figured I would make that post before others asked.
I am sure you can mill the heck out of these things without a problem.
Now go get some work done slacker.

 

Very impressive!!!! I like the #'s.. Are you able to get them to 70cc?

 

On the intake, this head with 225 ports, 4.03 bore, and 2.055 valve more or less matches the Stage 3 Dart head in your earlier post with 240cc ports, 4.125 bore, and 2.1 valve. And the ET 240. Impressive.

Now we have to get back to that thread about TF combustion chamber shape...

 

If you buy it I will build it We may have to do another chamber but we have the technology.



You don't miss much do you. That's what makes it so impressive it flows better than our best LS-6,AFR, and Dart 15 degree stuff on a smaller bore with a smaller valve and runner. We are still trying alot of things on these heads too.

 

Great heads guys! I sold a set to a customer of mine and the car makes killer power. This is the smaller bore heads, but they were extremely nice heads! TEA is getting it done!

 

Another interested party for a small bore 225.
Heads sound killer.

 

Mike, the numbers on those Trick Flows is very impressive for a 2.05 intake and 225cc runer.

So when do you plan on tinkering with the RHS or ETP 11 degreee heads?


If the RHS 210's would had been available back in March I would have bought a pair. Saddly a set became available 1 week after I had the Patriots 225's installed.

 

I am really not sure when or if we will do much with the 11 degree head. I'm not bashing the stuff it is nice but, as nice as this Trickflow head is and as affordable as it is we may not need to look at the 11 degree stuff until you get into LS-7 raised runner type stuff. Also it is readily available, I have lots of castings in the building and it uses stock length regular LS-1 valves/springs etc.

 

And to add to that, the TFS head is using stock length valves and that makes the valves lighter, the valve cover is raised so slightly on the TFS head that the alternator does not need relocating like the ET/RHS, the stock rockers bolt right on the TFS, as opposed to buying the optional stands that the ET/RHS needs, and in independent testing the TFS have made as much or more power.

 

Interesting, there is just too many options for my 402

 

Any results on a 402/408 motors with the 225 head yet? I'm intrested to see what they end up netting compared to the ET head.

Also, in regards to the comment above about reworking the 11 degree ET stuff.. I doubt that anyone will really be reworkign them much, as I think that ET has taken care of every level of head needed with their various sizes and styles of head.... not much reaosn for anyone to touch them. Besides, I have doubts about messing with them and getting any better flow then ET has already gotten.

 

Richard Holdener is supposed to dyno test all comers on a stock LS1 and LS2 shortblocks. The LS2 is not a 402, but I think the results should be similar. Bottom line is the better the midlift flow the more power the heads make. With the ET 225 showing less midlift then the 215? And the TFS showing quite abit more, I think the TFS will be a VERY strong performer.

 

I don't doubt the tfs as a good head... as a matter of fact, the tfs head was something I was personally hoping would be out and tested before I had to make a purchase... had they been available, they would have been one of the top pieces that I would have taken a look at. I just wish they had been released about 3 months earlier.

MY statement about the et stuff is this.. with the differnet sizes that they offer, I think they have a version of thier head that will work for almost every need, so I doubt that anyone will be doing a whole lot of additional work to/with them as far as porting goes.

My intrest in a 400+ ci test is to see how they stack up against other available options with some larger CI moving the air thru the heads. But, a 4 inch bore ls2 stock bottom end would be nice.

I also think, that no matter what, the testing will never really show 100% the capability of the heads, mainly because each head is going to require a slightly differnt camshaft due to velocity, combustion chamber design, that sort of thing. It will give a good general idea, but never really maximize all the heads... but it can be skewed a little to maximize one head, making the rest look worse then they actually are... there lies the issue.

 

Brian,

I think your statement is a little proud, hats off to you guys for your new pieces, I am sure they will work real well, To come out with statements about who' is bigger than who's on a flow bench is a bit short of reality. Our 215 doesn't flow much more than our 4.8/5.3 head, but makes 40 more hp??

All of our stuff has went out to the customer and flowed within 1 percent of what we claim. I would like to see how independant tests are on the trick flow head as to your advertized numbers. Your bench has always proven to be happy compared to a Superflow. On the other side of things, the TFS look real promising, regardless of what any bench says.