HOW TO DO AN ADVANCED SEARCH.

Mon Jul 08, 2013 3:56 pm by Admin


For the benefit of 944Hybrids users there are two search functions available for you to use.
The purpose of this sticky is to explain the "Advanced Search" function because it is much more powerful and is the best choice when researching information.

When you log on to the site a list of options is shown in a line at the top of the page. One option is labelled "Search", use this option (NOT the search box lower down on the right).

After you click on the upper search option, a drop down box appears. At the bottom of this box is a radio button marked "Advanced …

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Trickflow 54cc LT1 heads

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Trickflow 54cc LT1 heads

Post  ffmedic on Thu Aug 20, 2009 11:55 am

After waiting literally 3 and half months for trickflow to finally get the 54cc heads done, they are here FINALLY!!!!!!.
I just picked them up from the speed shop!
Pics will be forth comming shortly ,have some time off comming up ,and pics for my new modified oil pan will be posted as well shortly as well.
The oil pan is definately different to what most have been doing for their oil pans and I think is a much better setup as well.
Well I know no pics yet but I wanted to share since I am so freakin excited about things finally comming together.
I have a question as well for the heads, should I put in the guide plates (came with studs and guidplates not installed). I have comp cam 1.6 self adjusting (like stock rockers cept rollers on the tips)rockers if that helps.
P.S. I also have the fiberwerks 944 evo front end comming they just finished it and should be here by monday wopeeeeeee affraid

ffmedic

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Re: Trickflow 54cc LT1 heads

Post  gt1scca on Thu Aug 20, 2009 12:42 pm

I have a question as well for the heads, should I put in the guide plates (came with studs and guidplates not installed). I have comp cam 1.6 self adjusting (like stock rockers cept rollers on the tips)rockers if that helps.
Yes, install the guide plates. Hardened pushrods should also be on your list...With (hardened) guide plates installed, the stock pushrods will get hammered. The guide plates are NOT REQUIRED with self-adjusting rockers, but depending on cam specs [i.e. lift], will be insurance that a valve doesn't meet Mr. Piston due to pushrod failure.

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Re: Trickflow 54cc LT1 heads

Post  ffmedic on Thu Aug 20, 2009 1:08 pm

Danka Razz

ffmedic

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Re: Trickflow 54cc LT1 heads

Post  944v8inDFW on Fri Aug 28, 2009 2:00 pm

Got a part number on those heads? I have been looking for a nice set of LTx heads but all i can find in the TF is 62 cc's
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Re: Trickflow 54cc LT1 heads

Post  gt1scca on Fri Aug 28, 2009 10:16 pm

Released 8/31/09...

Trick Flow Specialties TFS-30400008-CNC
Trick Flow®️ GenX (TM) Fast as Cast Cylinder Heads for GM LT1

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"Fast as Cast!

If you're looking for the best value in GM LT1 performance, then look no further than these Trick Flow®️ new GenX (TM) street/strip Fast as Cast aluminum cylinder heads. The GenX (TM) as-cast heads feature all of the same goodies that make the CNC-ported heads so incredible, but in a more affordable, as-cast version that flows nearly as much air as the ported heads.

Features include:

* 21 degree valve angles
* Decreased valve shrouding
* Increased mid-lift airflow
* Relocated spark plugs
* Improved rocker arm-to-valve cover clearance
* Rigid casting design for extreme horsepower


Trick Flow Specialties introduces the best-flowing cast cylinder heads available for naturally aspirated LT1 engines: Trick Flow GenX™️ Street/Strip Cylinder Heads. Out-of-the-box, these heads are easily capable of producing well in excess of 500 naturally aspirated horsepower.

Trick Flow GenX Street/Strip Cylinder Heads for GM LT1 feature 54cc combustion chambers to maintain the factory 10.25:1 compression ratio, but have CNC-profiled and bowl-blended combustion chambers to maximize performance. The heads have 21° valve angles—reduced from 23°—to increase piston-to-valve clearance and unshroud the chambers for better flow.

GenX Street/Strip Cylinder Heads for GM LT1 also feature 185cc intake and 67cc exhaust Fast As Cast™️ runners that duplicate the port shape and profile of fully CNC-ported runners. The result is near CNC-ported power and performance for the same price as standard cast cylinder heads—and the best-flowing cast LT1 heads available.

The fully assembled heads come with stainless steel 2.020" intake/1.600" exhaust valves, GM LS-style 1.300" double valve springs, chromemoly steel retainers and locks, guideplates, and ARP 3/8" rocker studs. In addition, these heads retain the use of all stock sensors and fittings. Bare cylinder head castings are also available."

$1,495.95
_______________________________________________________________________________________

That's an awesome head...Gonna make AFR sweat...[You must be registered and logged in to see this link.]

gt1scca

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Re: Trickflow 54cc LT1 heads

Post  ffmedic on Tue Sep 01, 2009 7:26 pm

yup those are them, waited like I said 3 months for them to come out drove me crazy. But now I have them.
Also as I have FINALLY stopped tearing the hair out of my head due to my ranger and it's on the road again, I can finally start on the porsche project.
I just came in from porting my intake manifold. (BTW wow what an easy job took less then an hour)

ffmedic

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Re: Trickflow 54cc LT1 heads

Post  944v8inDFW on Tue Sep 01, 2009 7:55 pm

What cam you going to run with it? I love the CC306 but i am thinking of of the AI ones that are specific built to thes heads after doing some reading. BTW got a set coming from Summitt!
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Re: Trickflow 54cc LT1 heads

Post  ffmedic on Wed Sep 02, 2009 4:29 am

The cam I picked along time ago was this one: CCA-07-500 --- 206@ .480/ 212@ .488 (1.5RR)--- 112 LSA --- 1000-5000.
The reason I went with this cam is slightly bigger then the regular LT4 cam (not the hot cam), I figured I should gain atleast 40hp from it, also I will be using this car as a dailey driver not a track car (though occasionally it will make it on the track).
If I was even gonna have this car on the track alot I probabley would have gone with the LT4 Hotcam with 1.6 rockers.(and I am using the 1.6 rockers with this cam)
So what was important besides the HP gain was reliability, gas consumption, and not adding bigger injectors ect... (though I did get a 52mm TB for the engine).

Also from a previous post that no one answered in the cam section:
Ok this is what I put in my engine:
CCA-07-500 --- 206@ .480/ 212@ .488 (1.5RR)--- 112 LSA --- 1000-5000
I am also going with 1.6 rockers so this should put me 512/520? is my guess?
Thats kinda the area I am looking for close to the hotcam but not quite which I think should give me good hp,reliablity and gas miledge as well. Which is what I am looking for.
I am going with trickflow heads (new design just comming out 54cc not the 62cc) the heads have 2.02 intake 1.60 exhaust.
I am using a holley 52mm throttle body with a plate behind it.
I am using tight tuck headers with 3inche exhaust.
I am also porting out the intake to match the gaskets as well.
I am guessing this should put me around 400hp at the flywheel ( I hope )
I will also once it's running have it dyno tuned.
Am I right about the hp numbers or am I off ?, am I headed in the right direction is what I am trying to find out.
Thanks ahead of time.
Dave

ffmedic

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Re: Trickflow 54cc LT1 heads

Post  Dawgz83948 on Wed Sep 02, 2009 9:46 am

ffmedic wrote:The cam I picked along time ago was this one: CCA-07-500 --- 206@ .480/ 212@ .488 (1.5RR)--- 112 LSA --- 1000-5000.
The reason I went with this cam is slightly bigger then the regular LT4 cam (not the hot cam), I figured I should gain atleast 40hp from it, also I will be using this car as a dailey driver not a track car (though occasionally it will make it on the track).
If I was even gonna have this car on the track alot I probabley would have gone with the LT4 Hotcam with 1.6 rockers.(and I am using the 1.6 rockers with this cam)
So what was important besides the HP gain was reliability, gas consumption, and not adding bigger injectors ect... (though I did get a 52mm TB for the engine).

Also from a previous post that no one answered in the cam section:
Ok this is what I put in my engine:
CCA-07-500 --- 206@ .480/ 212@ .488 (1.5RR)--- 112 LSA --- 1000-5000
I am also going with 1.6 rockers so this should put me 512/520? is my guess?
Thats kinda the area I am looking for close to the hotcam but not quite which I think should give me good hp,reliablity and gas miledge as well. Which is what I am looking for.
I am going with trickflow heads (new design just comming out 54cc not the 62cc) the heads have 2.02 intake 1.60 exhaust.
I am using a holley 52mm throttle body with a plate behind it.
I am using tight tuck headers with 3inche exhaust.
I am also porting out the intake to match the gaskets as well.
I am guessing this should put me around 400hp at the flywheel ( I hope )
I will also once it's running have it dyno tuned.
Am I right about the hp numbers or am I off ?, am I headed in the right direction is what I am trying to find out.
Thanks ahead of time.
Dave

I have LT4 Heads fully ported and polished and LT4 intake port matched, 54mm intake, Pacesetter Vette Headers, Bullet Racing cam 223/230 .565/.565 112 LSA. - 1700-6100 RPM, 30# injectors, 2.5" dual exhaust, 2 metalic substrate cats, 1.6 rockers, msd opti. I'm probably missing something, but after 4 tunes it put down 412.3hp 392lb'. So you are in the ballpark with your estimate.
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Re: Trickflow 54cc LT1 heads

Post  ffmedic on Wed Sep 02, 2009 2:56 pm

Is that at the flywheel or the rear wheels?
My guess would be to the rear wheels since you had it dynoed 4 times.
Bery bery nice Razz

ffmedic

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Re: Trickflow 54cc LT1 heads

Post  Dawgz83948 on Wed Sep 02, 2009 4:40 pm

ffmedic wrote:Is that at the flywheel or the rear wheels?
My guess would be to the rear wheels since you had it dynoed 4 times.
Bery bery nice Razz

Wheels.
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Re: Trickflow 54cc LT1 heads

Post  ffmedic on Thu Sep 10, 2009 9:41 pm

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I finally got the heads on the engine Shocked .
I used Manely hardened bolts and washers, I didn't want to use the stock TTY bolts since after talking with a few people who have used them ended up with head gasket leaks.
I used the 2A permatex stuff on the bolt threads and due to this according to the Manely instructions if you use anything like that it will throw off the torque readings.
The instructions stated that the permatex used on the bolt threads will lube the bolts hence they recommended only toqueing the bolts to 55 to 60 ft lbs instead of the 65 to 70 ft lbs.
Also according to the manely instructions their was no need to use any lube on the washers to get an accurate reading they come prelubed already in the package.
So I torqued them in 3 steps one at 22 ft lbs, once at 45 ft lbs, and once at 60 ft lbs.
Last but not least remember to torque them in sequence also per GM and the instructions that came with the heads.
I know this along post but wanted to post what I did if someone out their needed the information as well.
P.S.
I also finished putting the intake manifold all back together [You must be registered and logged in to see this link.]
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Also added a few more pics in my picture album take a gander and let me know what you think.

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