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Re: Long ram intakes [Re: gtx6970] #2098435
06/26/16 11:10 AM
06/26/16 11:10 AM
Joined: Jan 2003
Posts: 42,714
Spokane Washington
ScottSmith_Harms Offline
Mr Wizzard
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Mr Wizzard

Joined: Jan 2003
Posts: 42,714
Spokane Washington
Quote:
how much higher in the rpm scale do the short rams work, and is it possible to "shorten" the divider in the long rams ?


Peak torque was Roughly 1,000 rpm higher with the Short Rams. Yes you can modify the Long Rams into Short Rams but it requires pretty substantial cutting and welding. The Orange set in the pic I posted (shows 4 sets together) was one such set, you can see the bare polished aluminum areas that were modified and cleaned up. This is the same set after being painted blue.

Long Rams Modified A.jpgRam Tube Modifications.jpg
Re: Long ram intakes [Re: gtx6970] #2098436
06/26/16 11:12 AM
06/26/16 11:12 AM
Joined: Jan 2003
Posts: 42,714
Spokane Washington
ScottSmith_Harms Offline
Mr Wizzard
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Mr Wizzard

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Posts: 42,714
Spokane Washington
A pair of Thermo-quads should work great on Ram tubes

Competition Thermoquads on Short Ram 413.jpgThermoquads 413 intake Short Ram.jpg
Re: Long ram intakes [Re: ScottSmith_Harms] #2098607
06/26/16 04:11 PM
06/26/16 04:11 PM
Joined: Feb 2003
Posts: 16,226
Mesa, Arizona
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dart4forte Offline
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Mesa, Arizona
Originally Posted By ScottSmith_Harms
A pair of Thermo-quads should work great on Ram tubes



2000cfm eek


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Abe Lincoln
Re: Long ram intakes [Re: dart4forte] #2098636
06/26/16 04:43 PM
06/26/16 04:43 PM
Joined: Sep 2003
Posts: 20,742
north of coder
moparx Offline
Buying your homeless and unwanted bolt on battery terminals
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Buying your homeless and unwanted bolt on battery terminals

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north of coder
Originally Posted By dart4forte
Originally Posted By ScottSmith_Harms
A pair of Thermo-quads should work great on Ram tubes



2000cfm eek

well, not really. i'm figuring on 2 800 cfm's - the small, 1 3/8" primary carbs. biggrin but i also am contemplating something along the line of a couple of plates sandwiched between the intakes and the cylinder heads utilizing port injectors. i don't know if that makes sense, or just utilize throttle body units instead of carbs.
scott, do you have a bigger pic of the conversion modifications ? i realize the amount of cutting and welding involved may be quite the deal, but i have a young buck that is getting pretty good at the tig process, and he is chomping at the bit for me to get this humpback going. [along with MANY others ! whistling] this is a bucket list deal, and i'll probably just ending up getting this done for a future "care taker", but i sure would like this thing to at least power me around the block one time.......
beer

Re: Long ram intakes [Re: gtx6970] #2098658
06/26/16 05:04 PM
06/26/16 05:04 PM
Joined: Jan 2003
Posts: 3,575
The Netherlands
BigBlockMopar Offline
master
BigBlockMopar  Offline
master

Joined: Jan 2003
Posts: 3,575
The Netherlands
TBI's on longrams serve no real purpose as there's still the issue of fuel falling out of suspension on its way to the cylinders.

Port injection is the way to go, or use a gaseous fuel like propane.

Re: Long ram intakes [Re: moparx] #2098659
06/26/16 05:05 PM
06/26/16 05:05 PM
Joined: Jan 2003
Posts: 9,436
Blair County,PA
62maxwgn Offline
master
62maxwgn  Offline
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Posts: 9,436
Blair County,PA
This works!

29ee672c84235c0ee2b2081d463209c4.jpeg
Re: Long ram intakes [Re: Dodgeguy101] #2098664
06/26/16 05:11 PM
06/26/16 05:11 PM
Joined: Aug 2003
Posts: 44,183
Bend,OR USA
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Cab_Burge Online work
I Win
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Posts: 44,183
Bend,OR USA
One of the girls my wife ran around with in high school(29 Palms, CA) befreinded the older couple who owned the garage and storage yard, she married a Marine after high school and ended up later inheriting all the old cuoples propertys and belongings shruggy She ended up gaiving him that car upHe didn't do anything with it and sold it several years back after it being stored in 29 Palms ,CA since 1961 or so work


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: Long ram intakes [Re: 62maxwgn] #2098730
06/26/16 07:00 PM
06/26/16 07:00 PM
Joined: Dec 2003
Posts: 24,160
Here
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jcc Offline
No soup for you!!!
jcc  Offline
No soup for you!!!
J

Joined: Dec 2003
Posts: 24,160
Here
Interesting, two things come to mind, would have thought a slightly steeper injector angle would have been the goal, and do injectors like being fed from a long narrow supply line, and not a large nearby common fuel rail which is the norm nowadays? My EFI solution was leaning towards 4 duplex fuel rails.

On the ram shortening trick, any reason that its cut from the top vs the bottom, if one say wanted "stealth" short rams? Additionally I was thinking it would be easy when cutting/welding this much of an alum curved tube, that warpage could enter the picture. My thinking was a robust steel jig trapping and tying together the old carb mounting surface to intake manifold surface before the first cut all the way thru till final welding. Just thinking out loud.


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Re: Long ram intakes [Re: jcc] #2099129
06/27/16 09:21 AM
06/27/16 09:21 AM
Joined: Sep 2003
Posts: 20,742
north of coder
moparx Offline
Buying your homeless and unwanted bolt on battery terminals
moparx  Offline
Buying your homeless and unwanted bolt on battery terminals

Joined: Sep 2003
Posts: 20,742
north of coder
Originally Posted By jcc
Interesting, two things come to mind, would have thought a slightly steeper injector angle would have been the goal, and do injectors like being fed from a long narrow supply line, and not a large nearby common fuel rail which is the norm nowadays? My EFI solution was leaning towards 4 duplex fuel rails.

On the ram shortening trick, any reason that its cut from the top vs the bottom, if one say wanted "stealth" short rams? Additionally I was thinking it would be easy when cutting/welding this much of an alum curved tube, that warpage could enter the picture. My thinking was a robust steel jig trapping and tying together the old carb mounting surface to intake manifold surface before the first cut all the way thru till final welding. Just thinking out loud.

pretty good ideas to consider. i realize "original" parts should be possibly left original, but when you have hacked up items, nothing wrong, in my opinion, with trying to optimize or make operational someone else's butchery. the setup i now possess was passed around back in the day to a bunch of my buddys who tried to get these things to work as good as they did on my buddy's 300F.[he was the original owner of the 300F] at the last attempt, this setup was installed in a 65 barracuda. yes, there was a bunch of butchery involved. and those buddys tried all kinds of carbs using adapters, so i think that's where the plenums got cut up and the original carbs got lost. after that, the setup was returned to the original owner. one christmas eve around 1987 or so, i got a knock on the door. there was a box of "junk" on the doorstep with a note saying i was the only [insert bad word here] stupid enough to want to store this "junk" but with only one stipulation. i gotta use it on my humpback. so here we are.......[the owner and i are still very good friends and he has moved on to studebakers and packards with factory blowers, as well as big block elcaminos, corvetts, and impalas] he still bugs me about "storing" an airco brand mig welder that has some issues but is the same brand and model as the one i have and use frequently.
beer

Re: Long ram intakes [Re: moparx] #2099368
06/27/16 03:03 PM
06/27/16 03:03 PM
Joined: Dec 2003
Posts: 24,160
Here
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jcc Offline
No soup for you!!!
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Joined: Dec 2003
Posts: 24,160
Here
Long ram fresh air hood scoops do not lend themselves to conventional solutions, mine in HS 1969. rolleyes

62-Polara-500.jpg

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