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Re: Trick Flow 240 users
[Re: BradH]
#2361866
08/29/17 07:08 PM
08/29/17 07:08 PM
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Joined: Oct 2015
Posts: 570
UK
rb446
mopar
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mopar
Joined: Oct 2015
Posts: 570
UK
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It would be interesting to see a set of 240's used on a high cr stock stroke race type build with a high rpm intake manifold to see where the peaks occur.
Based on the TF 240 CSA measurements that were posted HERE, I'd say it's going to be RPM-limited comparable to a non-MW Stage VI port. Where did you see the peaks for the bracket Stage VI combos you built in the past? I know my "less serious" stock-stroke build was 6300-6400 for HP and 5000-5200 for torque. Yes Mick on here ran a 3.75" 440 in his Dart with 12.7CR, MCH Eddy's@320cfm, (very similar to 240's), Victor intake and a 1050 but ran a puny DC.590 sft, that got shifted at 6350 or would slow and was going flat at 6750 through the traps, he had the chance at my old .650" Comp sft cam for no money which would've woke it up a bit but didn't bother, couldn't persuade him, shame, might've got it in the 9's on motor I reckon, only needed a 1/10th and a bit. No cars with 240's on them here that I've seen, I think were a bit behind the times and slow to catch up to quality head use on the 440>493 size motors.
Last edited by rb446; 08/29/17 07:20 PM.
1969 'Cuda 446ci, best 9.96@133.9 in 1990
1971 340 'Cuda, best 11.01@122.8 in 1987
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Re: Trick Flow 240 users
[Re: Thumperdart]
#2361981
08/29/17 10:13 PM
08/29/17 10:13 PM
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Joined: Jan 2004
Posts: 13,247
Mt. Vernon, Ohio
dartman366
OP
I Live Here
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OP
I Live Here
Joined: Jan 2004
Posts: 13,247
Mt. Vernon, Ohio
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My only wish is for TF to build a dominator flange manifold so as to get away from the 2" adapter, somthing tells me that would pick it up a little, maybe I need to start hitting the swap meets and find a dommy flanged M1.
Light travels faster than the speed of sound,,,this is why some people seem bright untill you hear them speak.
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Re: Trick Flow 240 users
[Re: dartman366]
#2362062
08/29/17 11:52 PM
08/29/17 11:52 PM
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Joined: May 2011
Posts: 4,489
northern,Ohio,USA
Clanton
master
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master
Joined: May 2011
Posts: 4,489
northern,Ohio,USA
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I was checking these heads out at the NMCA race last weekend and I like them but not that I know what to look for but the rocker pads an ports looked great.I have a couple pics but some are the 270's
Last edited by Clanton; 08/30/17 12:00 AM.
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Re: Trick Flow 240 users
[Re: dartman366]
#2362094
08/30/17 12:33 AM
08/30/17 12:33 AM
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Joined: Mar 2009
Posts: 2,467
Sydney,Australia
tex013
top fuel
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top fuel
Joined: Mar 2009
Posts: 2,467
Sydney,Australia
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I would like to see some results with the 270 . As the 240 may be maxed out with a stroker ?
Still good to see the current 240 results
Tex
New best ET 10.259@129.65 .
New best MPH 130.32
Finally fitted a solid cam,
stepped it up a bit more
3690lbs through the mufflers
New World block 3780lbs 10.278@130.80 . Wowser 10.253@130.24 footbraking from 1500rpm
Power by Tex's Automotive
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Re: Trick Flow 240 users
[Re: dartman366]
#2362141
08/30/17 03:07 AM
08/30/17 03:07 AM
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Joined: Mar 2009
Posts: 2,467
Sydney,Australia
tex013
top fuel
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top fuel
Joined: Mar 2009
Posts: 2,467
Sydney,Australia
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thanks Andy ,
so there was 25HP gain with the bigger head , same non MW intake .
I presume there may be more with a 496/505 . Even if a little less exotic build than yours .
Tex
New best ET 10.259@129.65 .
New best MPH 130.32
Finally fitted a solid cam,
stepped it up a bit more
3690lbs through the mufflers
New World block 3780lbs 10.278@130.80 . Wowser 10.253@130.24 footbraking from 1500rpm
Power by Tex's Automotive
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Re: Trick Flow 240 users
[Re: dartman366]
#2362292
08/30/17 01:12 PM
08/30/17 01:12 PM
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Joined: Jan 2003
Posts: 14,506
So. Burlington, Vt.
fast68plymouth
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 14,506
So. Burlington, Vt.
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My gut feeling is that on a "higher effort" bigger cube stroker, the smallish exhaust port and valve is going to become a problem...... But it's certainly possible that point may be farther up the hp scale than I imagine.
68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads
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Re: Trick Flow 240 users
[Re: dartman366]
#2362409
08/30/17 04:51 PM
08/30/17 04:51 PM
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Joined: Jan 2003
Posts: 14,506
So. Burlington, Vt.
fast68plymouth
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 14,506
So. Burlington, Vt.
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The TF don't seem to have any problem with getting 2" installed height, so I'm sure finding a spring to accomdate the .481 cam and 1.65 rockers wouldn't be too hard.
68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads
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Re: Trick Flow 240 users
[Re: GY3]
#2634117
03/18/19 05:02 PM
03/18/19 05:02 PM
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Joined: Mar 2019
Posts: 1
Denton Tx
TXGTXCHAD
member
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member
Joined: Mar 2019
Posts: 1
Denton Tx
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I’m late joining the thread but.... I’m building my 70 GTX 440 4 barrel. It had 271 peg leg gears, and the original engine recently rebuilt with “flat top” pistons and no valve reliefs cut into them. Purple shaft .509 cam, factory intake, 906 heads and exhaust manifolds. It sounded good but, the power SUCKED!!!!! My winter project 2 years ago was replace the gears with 3:55 sure grip gears in its 8 3/4 rear, moser axles, 4 wheel disc brakes, firm feel suspension and sway bars. It was better power wise but not good. My 340 duster was MUCH quicker. Soooooo, this years winter project started as a simple intake and carb change (Edelbrock 800 carb and Edelbrock performer RPM intake. That has turned into pulling the heads as well and ordering TTI 1 7/8” headers. Well, it does have flat tops with no valve relief but.... they sit .115 in the hole!!!!! I’m pretty sold on the trick flow power port 240 heads and by my calculation prior to pulling the heads I though I’d have to run a pretty thick gasket just to get the CR down to around 10.5:1. That was my target CR any way. Now, I’m having to run a .036 gasket to get a measly 9:1 CR. I thought about pulling the motor and changing the slugs to some better slugs but time and my wife both say ENOUGH!!! So.... short story long, with my CR as it is, 9:1 the TF heads are 78 CC and the Eddy RPM heads are 75 CC and would bring the CR up to about 9.3:1. Would the CR be worth the lower flow numbers that the Eddy’s have or will the better flow and marginally less CR be better? It’s got 3 inch exhaust and an H pipe.
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Re: Trick Flow 240 users
[Re: TXGTXCHAD]
#2634134
03/18/19 06:09 PM
03/18/19 06:09 PM
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Joined: Jan 2003
Posts: 14,506
So. Burlington, Vt.
fast68plymouth
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 14,506
So. Burlington, Vt.
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As with many things, it’s not necessarily as easy as A or B.
With the Eddy heads you can likely reuse the rockers and pushrods, and if you already had arp head bolts with the stock heads, you’ll be able to reuse those as well.
The TF heads will require those items be replaced from the different parts than you used with the 906’s.
So, while the TF heads are a better bang for the buck, they do cost more than the Eddy’s.
And, l you may have to buy some parts that you could possibly reuse if you ran the Eddy’s instead of the TF heads.
On the other hand, if you were running oe rockers/pushrods/head bolts, then you’d probably want to upgrade all that stuff with the new heads anyway.
68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads
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Re: Trick Flow 240 users
[Re: fast68plymouth]
#2634164
03/18/19 07:34 PM
03/18/19 07:34 PM
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Joined: Aug 2011
Posts: 2,864
Pattison Texas
CSK
master
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master
Joined: Aug 2011
Posts: 2,864
Pattison Texas
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I would pull it apart & fix it with the correct pistons & use the TF heads, but hey its easy to spend others money.
1968 Charger COLD A/C Hilborn EFI
512ci 9.7 compression, Stealth heads, 4.10 gear A518 ODtrans 4100lb,10.93 full street car trim
2020 T/A 392 Stock 11.79 @ 114.5
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Re: Trick Flow 240 users
[Re: krautrock]
#2634210
03/18/19 09:05 PM
03/18/19 09:05 PM
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Joined: Jan 2003
Posts: 14,506
So. Burlington, Vt.
fast68plymouth
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 14,506
So. Burlington, Vt.
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i've been wondering, what would be the difference in the torque peak or curve with the 210cc eddy heads vs the 240cc trick flows...
would it be enough difference to even consider? IMO...... that would definitely fall into the “it depends” catagory.
68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads
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Re: Trick Flow 240 users
[Re: TXGTXCHAD]
#2634348
03/19/19 10:26 AM
03/19/19 10:26 AM
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Joined: Jan 2003
Posts: 4,296
Chicago, IL
TonyS451
master
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master
Joined: Jan 2003
Posts: 4,296
Chicago, IL
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I’m late joining the thread but.... I’m building my 70 GTX 440 4 barrel. It had 271 peg leg gears, and the original engine recently rebuilt with “flat top” pistons and no valve reliefs cut into them. Purple shaft .509 cam, factory intake, 906 heads and exhaust manifolds. It sounded good but, the power SUCKED!!!!! My winter project 2 years ago was replace the gears with 3:55 sure grip gears in its 8 3/4 rear, moser axles, 4 wheel disc brakes, firm feel suspension and sway bars. It was better power wise but not good. My 340 duster was MUCH quicker. Soooooo, this years winter project started as a simple intake and carb change (Edelbrock 800 carb and Edelbrock performer RPM intake. That has turned into pulling the heads as well and ordering TTI 1 7/8” headers. Well, it does have flat tops with no valve relief but.... they sit .115 in the hole!!!!! I’m pretty sold on the trick flow power port 240 heads and by my calculation prior to pulling the heads I though I’d have to run a pretty thick gasket just to get the CR down to around 10.5:1. That was my target CR any way. Now, I’m having to run a .036 gasket to get a measly 9:1 CR. I thought about pulling the motor and changing the slugs to some better slugs but time and my wife both say ENOUGH!!! So.... short story long, with my CR as it is, 9:1 the TF heads are 78 CC and the Eddy RPM heads are 75 CC and would bring the CR up to about 9.3:1. Would the CR be worth the lower flow numbers that the Eddy’s have or will the better flow and marginally less CR be better? It’s got 3 inch exhaust and an H pipe. Not sure if your car is auto or 4 speed, but that 509 cam will not like anything less than a 3800 converter. I just switched my stock stealth heads (which most likely flow better than your 906's unless yours are well ported) over to Trick flow 240's and Im thrilled with the change.. I dont have track or dyno results, but seat of the pants meter is showing big gains. I changed cam too, but not a huge change in cam size. If you just changed your 906 heads to TF 240's it will make a substantial improvement in power, even w leaving the 509 cam. But definitely address the converter issue, unless its a 4 speed and in that case, proceed. Good luck
2 kids and a dog
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