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TRICK FLOW 270 #2834931
10/20/20 09:11 AM
10/20/20 09:11 AM
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Would any body here know how much I would have to mill the intake side of a trick flow 270 to allow me to use a rb intake on a b block

Re: TRICK FLOW 270 [Re: BIGSTROKER] #2834947
10/20/20 09:39 AM
10/20/20 09:39 AM
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Trick Flow now makes a low deck intake. I just ordered one from Summit yesterday.

Re: TRICK FLOW 270 [Re: merpar] #2834951
10/20/20 09:48 AM
10/20/20 09:48 AM
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I have a specific low deck intake I want to use
I ment RB intake
I have a 400 500 inch and Ihave a 440 intake I want to use

Last edited by BIGSTROKER; 10/20/20 09:52 AM.
Re: TRICK FLOW 270 [Re: BIGSTROKER] #2834995
10/20/20 11:07 AM
10/20/20 11:07 AM
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Wouldn't you have to mill the intake face the same amount as the thickness of the spacer you would have to use to mount a B manifold on a 440? And isn't that about 3/4"? Seems like you would have to mill the 270 head back into or beyond the valve cover bolt holes. I could be all wrong.

Re: TRICK FLOW 270 [Re: BIGSTROKER] #2835013
10/20/20 11:45 AM
10/20/20 11:45 AM
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Originally Posted by BIGSTROKER
I have a specific low deck intake I want to use
I ment RB intake
I have a 400 500 inch and Ihave a 440 intake I want to use

YOU CAN'T


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Re: TRICK FLOW 270 [Re: JAKE68] #2835023
10/20/20 11:58 AM
10/20/20 11:58 AM
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I disagree there is more than enough material on the cast in spacer of the head to cut
The intake does not have enough
I know I need a total of 1 inch but I was just wondering if anybody has done it

Re: TRICK FLOW 270 [Re: BIGSTROKER] #2835054
10/20/20 12:43 PM
10/20/20 12:43 PM
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You can try it if you want but I think you'll end up with a junk set of heads.

Re: TRICK FLOW 270 [Re: AndyF] #2835061
10/20/20 12:52 PM
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Thanks
I know it's scary

Re: TRICK FLOW 270 [Re: BIGSTROKER] #2835117
10/20/20 02:34 PM
10/20/20 02:34 PM
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Sometimes making a bad decision when trying to save a few pennies may end up costing you a lot of dollars to fix tsk twocents
Been there, done that more than once realcrazy
Trade off or sale that 440 intake and get you a low deck intake that will work better without modding the heck out of it twocents


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: TRICK FLOW 270 [Re: Cab_Burge] #2835120
10/20/20 02:39 PM
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The mopar 383 6 pack intake does not have enough runner volume
The 440 is just right
The mod man has no velocity

Re: TRICK FLOW 270 [Re: BIGSTROKER] #2835126
10/20/20 02:46 PM
10/20/20 02:46 PM
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Originally Posted by BIGSTROKER
The mopar 383 6 pack intake does not have enough runner volume
The 440 is just right
The mod man has no velocity


Uumm....what happens to the runner volume when you cut an inch in length off the head?

The head volume and runner volume cannot(well, “should not”) be looked at separately.
It is the total runner volume from the manifold plenum to the intake valve as a unit that should be considered.


68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads
Re: TRICK FLOW 270 [Re: BIGSTROKER] #2835206
10/20/20 05:18 PM
10/20/20 05:18 PM
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Originally Posted by BIGSTROKER
I disagree there is more than enough material on the cast in spacer of the head to cut
The intake does not have enough
I know I need a total of 1 inch but I was just wondering if anybody has done it


Just a word of advice, you have at least four guys in this thread that do this for a living and have written books on engine building. They are THE go to guys on big block Mopars. Before you cut up a $2700 set of heads and wind up with junk, you may want to listen to what they say and buy a low deck intake that works and fits correctly.

Last edited by Since1822; 10/20/20 05:18 PM.
Re: TRICK FLOW 270 [Re: BIGSTROKER] #2835297
10/20/20 08:02 PM
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Originally Posted by BIGSTROKER
The mopar 383 6 pack intake does not have enough runner volume
The 440 is just right
The mod man has no velocity

I bought and used a Eddy low deck dual plane six pack intake on the 400 stroker motor I built for my old pump gas Duster to race the black guys in L.A. CA on the street for money, that motor made 612 HP at 5500 RPM on CA pump swill in 2003, it made 644 Ft. Lb. peak torque at 4500 RPM, it had a solid roller Comp Cams with 260 degrees @ .050 on the intake lobes with .420 lobe lift 266 @ .050 on the exhaust lobes, it was ground on a 108 LSA and I installed it at 106 ILC. It had a set of slightly modified stock set of 1970 440 six pack carbs for a CA car with a automatic tranny, best run was right at 10.10 at 128.+ MPH corked up with the six pack pack set up with the air cleaner on and with me in the car weighing 3450 Lbs. boogie
That stupid motor would run faster in the car shifting it at 7000 RPM than shifting it at 5000, 5500,6000, or 6500 RPM
Theory is one thing and real world results may not be what the theory says work
That was one of those motors, don't sweat the runner volume and you can have it acid ported to increase the volume work
Put it together now and go race it, if it needs fixing do that later twocents


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: TRICK FLOW 270 [Re: Cab_Burge] #2835405
10/21/20 01:01 AM
10/21/20 01:01 AM
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You will ruin those heads doing that. For one, taking about half an inch of the intake face will cut in to the valve cover rail. Secondly, how is it going to change the intake port shape? If you ever decide to put those heads on an RB block, you're making spacers.
If I was so dead set on using the intake manifold, I'd cut the flanges off the intake and machine and weld on new flanges.

But, it's your money, do what you makes you happy.

I have attached a couple of pics, I don't have an account to host them. They are of a Trickflow 270 head (after I machined them for Jesel rockers) and on a low deck block.

20191221_142828.jpg20191215_165408.jpg

Alan Jones
Re: TRICK FLOW 270 [Re: LA360] #2835431
10/21/20 05:49 AM
10/21/20 05:49 AM
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I have been trusting the word of the guys that tell you not to cut the heads for over twenty years and they have NEVER steered me wrong. Just the opposite. If they say it can't be done, it is for a reason. I don't do my own machine work, but know you will have to cut MORE THAN .840 material off the head and intake combined to come close! Measure through an intake bolt hole on a 270 head and you will see there may not even be that much material to start with.
This reminds me of the cowboy that jumped into a cactus patch. When rescued he was asked what the heck did you do that for? He answered, well, it seemed like a good idea at the time!
Sometimes its' just better to trust others than our own ideas.


8.77 153 mph best, 3055 lbs 528 indy 440-1 alky
Re: TRICK FLOW 270 [Re: fast68plymouth] #2835556
10/21/20 10:44 AM
10/21/20 10:44 AM
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Originally Posted by fast68plymouth
Originally Posted by BIGSTROKER
The mopar 383 6 pack intake does not have enough runner volume
The 440 is just right
The mod man has no velocity


Uumm....what happens to the runner volume when you cut an inch in length off the head?

The head volume and runner volume cannot(well, “should not”) be looked at separately.
It is the total runner volume from the manifold plenum to the intake valve as a unit that should be considered.


And THIS ^^^^^^


[img]https://live.staticflickr.com/65535/49699175113_7f39889fbc.jpg[/img]87379033_2843330729058951_8904448720599252992_o by Charlie Keel, on Flickr
1968 Charger COLD A/C Hilborn EFI
512ci 9.7 compression, Stealth heads, 3.54gear A518 OD 4100lb,11.04@123 full street car trim
Re: TRICK FLOW 270 [Re: csk] #2835689
10/21/20 02:36 PM
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I am sorry I screwed this thread all up
I have all different kinds of heads over here the one I want to cut are std port Victors
I use the 270"s with a Modman works ok but has a little low speed lag

Re: TRICK FLOW 270 [Re: BIGSTROKER] #2835777
10/21/20 05:49 PM
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The Modman intakes remind me of the early Eddy Street Tunnel cross ram intakes, lots of plenum volume.
Some motors like them and some don't shruggy
I had a racer friend who ended up with a Indy M.W. port mod man intake with the dual inline top, he ran it on his Indy SR M.W. headed bracket motor with dual inline Edlebrock 750 Competition series carbs, he love it but it was a drag race only car, not a street and strip car.
He had ran the car,19634 Dodge 330 two door sedan Max wedge clone car, with a stock Mopar cross ram with the Indy SR M.W. port size intake ports on it for years and then was offered the Indy mod man intake to try, he liked it a bunch and kept it up


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: TRICK FLOW 270 [Re: Cab_Burge] #2835875
10/21/20 08:26 PM
10/21/20 08:26 PM
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Andy F posted a pic in the thread below

https://www.speed-talk.com/forum/viewtopic.php?t=17900

The question I have, the Victor heads, is the intake face angle the same as the standard spec'd stuff? It looks different to the Indy head shown in the picture, but it could be playing tricks on my eyes.

Last edited by LA360; 10/21/20 08:27 PM.

Alan Jones
Re: TRICK FLOW 270 [Re: LA360] #2835929
10/22/20 01:10 AM
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They are the same, i used a Indy 400-3 on my bracket motor with a set of M.W. port size Victor heads up
Port alignment and size was dead on up


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)






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