Another Tunnel Ram Q

Another Tunnel Ram Q

Joined: December 10th, 2010, 3:28 pm

June 22nd, 2012, 2:54 pm #1

So as not to hijack a post I had a question about all this T/R mystery. I personaly have never had experiance with one, I never liked a large scoop on the hood but in the name of performance I would be willing to give this a shot. Years ago a friend had a 1/4 mile-streetable 69 Charger 440/auto with 4:11 out back, and the T/R out the hood. I always liked riding in that monster, hey I was a teen with a flathead Ford. Later on in life a friend had a 64 Chevelle 327/4spd cr and 4;50's in the rear also with the T/R and the big hole in the hood. That car was tuned impeccably and got along in life pretty good for a Chevy but it demoralized him that my 72 Ranchero all stock Cobra Jet Cleveland and 350s out back behind an auto just waxed his ass.
Any way on with the show , Just wondering I'm shortly going to be building a large c.i. Dart blocked Boss 302 going in a 2900lb Stang c/r 4spd 4:11 gear. How would this Tunnel ram work out with a modern F/I and injectors in the runners. Has any one played around with this. The big tq gains is what I would like but I like just as much is the top end Charge that George Loves. I'm looking at a max 7500, and it is mainly a street car that will see some track use. I guess the big pro stock bubble on the hood would grow on me if it got tunned up sweet.
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Joined: January 10th, 2002, 5:53 pm

June 22nd, 2012, 6:21 pm #2

because you can at least have the computer read a O2 sensor and keep up with the mix. Direct port injection would be best IMHO, letting the top just be the air valve. Injectors up top would still work well I think. For two throttle bodies, you'd need a megasquirt or FAST.

Comparing Mopar or SBC rams to the 351C isn't a very good comparison because the runner size and port configurations are WAY different. Running a ram on an SBC would be more like running one on a 302, which is more like what you are planning. And me - after looking over the 351C ram and port volumes, I may just build a 408W with Victor heads and put a ram on that, call it done.

1967 Falcon 4 door 351C-4V
1970 Mustang 351C-2V
http://raceabilene.com/kelly/hotrod
Owner built, owner abused.
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Joined: December 10th, 2010, 3:28 pm

June 23rd, 2012, 6:55 am #3

I'm building a 373inch 8.2 Boss, so the cubes are there. Yes I was thinking Megasqirt, I didn't think the Fast was capable of this type setup, I would not want 2 ecu's
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Joined: December 29th, 2003, 3:59 am

June 23rd, 2012, 2:55 pm #4


Or you could look at Accel Gen 7.  You can add dual wideband O2 sensors if you like as well.  It's what I run (though I run only one O2 sensor).

 
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Joined: December 10th, 2010, 3:28 pm

June 23rd, 2012, 9:44 pm #5

Jay ,
Are you running this on a tunnel ram ?
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Joined: December 29th, 2003, 3:59 am

June 24th, 2012, 12:31 am #6


No, but I have run EFI on dual plane intakes, single plane intakes, Funnelweb, and right now an AFD intake (as I have AFD heads).  I've tuned it for 91 octane, 110 octane, and now running E85 for fuel (and loving it, btw). 

When I went to Accel's EMIC class, they had a tunnelram on the counter with two throttle bodies and all the injector work done on it (ports for injectors, injector rails, etc.).  Was a great looking setup.  And, because the throttle bodies are only 2" thick, it left him room for a thicker air cleaner to get in enough air. 
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Joined: December 10th, 2010, 3:28 pm

June 24th, 2012, 4:46 am #7

Well thanks for the reply. I'm just looking at any possible options. I just dont think the stock boss duel plane is going to give what I'm looking for. The Roush intakes are hard to find an deven when I do I'm not sure I'll be wanting to pay the piper. So I'm lookin at other options.
The thing to do I guess is just get it together and see what I have with the OE top end.
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