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Re: Long Rams 3.0 [Re: 360view] #2635835
03/23/19 09:44 AM
03/23/19 09:44 AM
Joined: Sep 2003
Posts: 19,342
north of coder
moparx Offline
"Butt Crack Bob"
moparx  Offline
"Butt Crack Bob"

Joined: Sep 2003
Posts: 19,342
north of coder
lots of interesting points tossed back and forth here. keep it up please.
beer

Re: Long Rams 3.0 [Re: moparx] #2635850
03/23/19 10:20 AM
03/23/19 10:20 AM
Joined: Dec 2003
Posts: 22,696
Bitopia
J
jcc Offline OP
If you can't dazzle em with diamonds..
jcc  Offline OP
If you can't dazzle em with diamonds..
J

Joined: Dec 2003
Posts: 22,696
Bitopia
We/I were discussing the long rams rather small plenums. Not sure I mentioned it here on this post, but I'm planning on DIY converting the more common 30" LR to the rare 15" style. Which really just means taking 2 Siamesed runners and making them one for approx 15"just past the throttle body. So does that somewhat increase/boost plenum tuning/volume, even though its located in two separate runners per LR?

Still contemplating all the balance tube considerations. up


Reality check, that half the population is smarter then 50% of the people and it's a constantly contested fact.
Re: Long Rams 3.0 [Re: jcc] #2635879
03/23/19 11:18 AM
03/23/19 11:18 AM
Joined: Jan 2003
Posts: 9,436
Blair County,PA
62maxwgn Offline
master
62maxwgn  Offline
master

Joined: Jan 2003
Posts: 9,436
Blair County,PA
This was an original long ram car,changed the cam to I don't even remember,for a 4000 lb. car ran much better than I expected back in the day.Also,personally I wouldn't consider without the balance tube.

Picture 858.jpg
Re: Long Rams 3.0 [Re: Supercuda] #2635907
03/23/19 12:25 PM
03/23/19 12:25 PM
Joined: Feb 2003
Posts: 21,318
Manitoba, Canada
DaytonaTurbo Offline
Too Many Posts
DaytonaTurbo  Offline
Too Many Posts

Joined: Feb 2003
Posts: 21,318
Manitoba, Canada
Originally Posted by Supercuda
Originally Posted by DaytonaTurbo
Originally Posted by jcc

Was hoping to find some sound reasoning first.


FWIW, if you're using a speed density EFI system, it's recommended to have all the cylinders tied together one way or another. The guys who are doing speed density EFI systems with Hilborn or other type individual throttle bodies generally still tie all the cylinders together, even with something small like a 1/2" hose in order to get a decent MAP reading. I guess if you were using an EFI system that used a mass air flow sensor instead of a map sensor you could get away without it.


Well, using a MAF would tie them to a common point as well, the MAF sensor does need to measure all the air flow.


yes but you could do that before the throttle bodies so your tie in point could be complete separate from your intake manifold. Alternatively I wonder if you could put a MAF on just one cylinder and tune assuming equal air/fuel flow to all cylinders.

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