Trick Flow 240 vs Stealth heads

[hunt2elk]

I am in the same boat looking at getting the stealth heads but after shipping to PR heads and back to me then the work on the stealths and changing of parts in them the price difference is minimal. The 240’s come with better quality parts in them and like you said have more potential if you ever want to go bigger cam. I wonder how they would work with the HP ex manifolds? Do you feel like the heads are made to a higher quality ( casting,tapped holes etc)

Dwayne will tell you to pony up the extra $ for the TF's up front because they are a much better head.

 

[sc440]

Dwayne will tell you to pony up the extra $ for the TF's up front because they are a much better head.

He did already lol

 

[not so famous bob]

One thing I would like to say in order to possibly help out my fellow Mopar enthusiasts, Possibly someone can benefit and I hope you do, Performance with the TF240 heads picked up when I smoothened out the ribs from the cnc porting, the sf600 was steady as a rock after doing that, flow picked up by about 5cfm. Prior to the turbulence was quit a bit and all over the place. I seen debates on this and theory might say otherwise. In practice it's different. great Builders such as Dwayne, Bruce Toth, Larry Smith, IQ for example that port heads don't put ribs back, Pro Stock. Super Stock Pro mods etc.. do not have these. They are there due to keeping costs down to deliver product to end user Yes I roughed up the intake side and polished the exhaust. It helped enough to mention. Hope it helps y'all out.

My heads flow 354 at .600 , cnc standard port victor knock offs , with the tool marks taken out .
I think he`ll like the trick flows , If I had it to do over again , I`d go with the 270 trick flows myself...

 

[33 IMP]

I've got victor maxwedges. There was no such thing as TF Mopar heads when I bought em. If I could start over today, 270 TF's would be a no brainer......

 

[sc440]

@hunt2elk what brand, size exhaust are you on this car?

 

[hunt2elk]

@hunt2elk what brand, size exhaust are you on this car?

TTI 1 7/8 C5 headers. Had their 2.5 full exhaust on it for several years, but just switched over to 3 inch.

 

[6872n73]

What could you tell going from 2.5 to 3"

 

[hunt2elk]

What could you tell going from 2.5 to 3"

Nothing yet, don't have the motor in my hands or back in the car. I put the 3" in right before I pulled the motor last fall, so didn't drive it. I went to 3 because I wanted to run something a bit quieter than the 2.5 ultraflows that were on the car. So I bought the full 3" with standard super turbos. I have that exact setup on my Bee and it is a tad mellower than the 2.5 ultra flow system. I doubt there is much of a power difference between the 2.

 

[69 GTX]

I think if the motor had a higher compression ratio than 9.7:1 and a bigger cam, the results would have been more dramatic. These Trick Flows leave a lot of room for upgrades if a guy is so inclined. They are definitely not utilizing their full potential.

Hunt, what cam did you use? I think I saw on engine masters they had a 30-40hp difference between the 240s & stealths?

 

[hunt2elk]

Hunt, what cam did you use? I think I saw on engine masters they had a 30-40hp difference between the 240s & stealths?

From post #5

 

[69 GTX]

I'd say your 451 is pretty good. My 440 has 9.9:1 solid roller 238/242 600 lift with the 1.6 HS rockers. 6bbl, it made about 550 tq & 590hp

 

[andyf]

Say a guy has a 451 that dyno's 530 hp and 535 ft.lbs. with ootb 440 Source Stealth heads that are advertised as flowing 260 cfm. If the only change is installing a set of ootb Trick Flow 240's and longer pushrods, what can be expected for a performance gain since the TF's are advertised as flowing 330 cfm?

Did you ever swap over to the TF240 heads? From what I've seen on the dyno the TF heads would be worth 50 to 100 hp depending on the rest of the engine. I've seen a couple 700 hp pump gas 470 engines with OOTB Trick Flow 240 heads. Never seen Stealth or Edelbrock heads anywhere near that number.

 

[hunt2elk]

Did you ever swap over to the TF240 heads? From what I've seen on the dyno the TF heads would be worth 50 to 100 hp depending on the rest of the engine. I've seen a couple 700 hp pump gas 470 engines with OOTB Trick Flow 240 heads. Never seen Stealth or Edelbrock heads anywhere near that number.

I did. Everything was left the same on the motor except the head swap. It gained 29 hp and 9 ft.lbs. The compression ratio also went from 9.7:1 to 9.85:1 with the Trick Flows. The only variable in the whole deal was that I had a different shop do the head swap than first built the motor, so different dyno's. So in all honesty, there could have been more of an actual gain.

 

[andyf]

Cool deal. Are you enjoying the engine more? Was the swap worth it?

 

[PRHeads]

I’m sure as the potential HP/CI went up, the difference in power between those two heads would increase.