View Full Version : intake manifold
blue2002
05-21-2010, 08:53 AM
what would yall consider the best intake manifold for my 2002 dodge diesel 6 speed. Upgrades on the truck already is edge attitude , and a fass fuel pump . What are other up grades and distributors I can get them from.
I would like to change out my turbo to a ball bearing turbo, injectors, clutch and intake.
this is a everyday driver. I need mileage and power. So can yall please help me out.
birddoctor
05-21-2010, 06:30 PM
I have a banks high ram on mine.Opinions vary on who makes the best and if they even do any good or not.
slowflyer2112
05-21-2010, 09:07 PM
This one makes the most sense to me
http://www.thetunnelram.com/
birddoctor
05-23-2010, 08:03 PM
Tunnel ram,havent seen that before.Will have to save up and get one.You know of anybody running one of them?
scottsjeeprolet
05-23-2010, 09:11 PM
Don't waste your money on the intake. Save up and get a clutch, then injectors & turbo.
blue2002
06-15-2010, 01:12 PM
so what would u recommend scottjeeprolet?
scottsjeeprolet
06-15-2010, 01:40 PM
I would make your clutch the next upgrade.
Then injectors, turbo, do you have an aftermarket air intake?
DodgenIt
06-15-2010, 10:48 PM
Yea they really arent worth the money. I dont think my Banks high ram changes anything more then a couple seconds off cool down time and 20* egt's. Maybe a fraction of a second better spool up. But nothing with the 250-500 places want for em.
biggest reason I got one was cause its Red, an so is my truck. Along with half the engine now.
Go for better toys for sure.
Doj Dewd
06-16-2010, 12:17 AM
get a pusher intake or order one from the guy who makes that tunnel ram. i got a tunnel ram plate and an intake horn shipped to canada for less than $400 total. i think it's a pretty good deal, but if you just want a intake horn then go with a pusher intake or just order one from the tunnel ram guy . . .
http://hardcoordiesel.com/PusherIntakeManifolds.aspx
http://www.thetunnelram.com/
scottsjeeprolet
06-16-2010, 06:00 AM
HE DOESN'T NEED AN INTAKE HORN!
Unless your in it just for the Bling factor.
Next time your at the sled pulls go look under the hoods of the pullers, or Dyno guys and see how many are still running the stock horn and making some crazy power.
J Lent
06-16-2010, 06:08 AM
HE DOESN'T NEED AN INTAKE HORN!
Unless your in it just for the Bling factor.
Next time your at the sled pulls go look under the hoods of the pullers, or Dyno guys and see how many are still running the stock horn and making some crazy power.
Exactly! I did 611hp & I'm still on stock intake with stock plate. Lots of big power trucks still running stock as well.
Trboluvr
03-27-2011, 07:07 AM
Guy in Utah made near 750hp on a VP using a Tunnel Ram and tubular intake.
I use one to help me spool an 80mm single on my '99 daily driver.[coffee]
vp dually
03-27-2011, 07:15 AM
so what do you think he would make with a factory set up?I bet it would be close to the same.
johnh
03-27-2011, 10:27 AM
Guy in Utah made over 750hp on a VP using a Tunnel Ram and tubular intake.
I use one to help me spool an 80mm single on my '99 daily driver.[coffee]
don't mention all the other upgrades[dummy]
Trboluvr
03-27-2011, 04:18 PM
dually- None (if any) of the air intake style upgrades claim much over 15hp. They DO however often claim faster spool and lower EGTs. This makes sense because unless you are over-fueled, air does not make power, esp on a dyno. in some cases an airflow improvement WILL flatten an broaden the curves though, giving more USEABLE power and lower EGTs mean you could hold the power longer on a pull.
john-
My bad, it was 744hp corrected (I was looking @ gross)
this is his sig:
2001 Auto, Edge, Autometer, BD diesel, Airdog, Hellman, SDX, RKL, TS performance, Full 5in, Arp, Hamilton, Snow, Tunnel Ram, Nitrous Express, Twins II62/80 w/ S475 -12.5 @110
totalloser
03-27-2011, 10:25 PM
It's been a while since I looked, but I think the eth engine actually already has a slightly larger intake elbow. Sits a little taller. Also there was actually an intake "issue" early in the 24 valves that pinched off the flow to the #1 cylinder making it run a tad hotter due to getting slightly less air. I think this manifold was changed to a better balanced design in 99 or 00, but can't remember. I do remember that I determined that mine didn't have the pinched #1 port, so yours probably doesn't either.
Go over 350hp (crank) you'll probably need to think about clutch. Go over 400hp and it's time to thing about a turbo. 400hp and below you'll likely get better performance from the stock turbo if you turn it up. Smaller turbo=quicker spooling.
Having said that, variable displacement and ball bearing turbos tend to bend this rule. There is also one other persuasive reason to keep the stock turbo. Exhaust brake. You can get an exhaust brake right off the tail of the turbo. Most (all?) aftermarket turbos do not support this possibility.
Over 400 hp and you will have to make compromises on the clutch. Either a faster wearing kevlar, or grabby ceramic disc if you want a single disc, or BIG money for a double disc clutch. At 400hp you can use a stock style friction material with a beefed up hub. That's what I'm running.
MANY ways to skin a cat. To get better info, you probably need to narrow down how much power you are shooting for, and there will STILL be many ways to accomplish what you have in mind.
Trboluvr
03-28-2011, 07:25 AM
Having said that, variable displacement and ball bearing turbos tend to bend this rule. There is also one other persuasive reason to keep the stock turbo. Exhaust brake. You can get an exhaust brake right off the tail of the turbo. Most (all?) aftermarket turbos do not support this possibility.
The stock 6.7 turbo is variable AND has a built-in ex-brake. It is not a direct bolt-on but fairly simple with the 6.7 manifold and fleece controller.
ANY other aftermarket turbo even twins/triples can be used with a downstream inline ex-brake. So thats really not an issue.
vp dually
03-28-2011, 07:31 AM
I know that every little thing helps.I think the power(hp/lbs) that intakes provide is minimal.It may help overall in conjunction with other mods.But in of it self not much.Imho
Trboluvr
03-28-2011, 08:05 AM
In a diesel, fuel makes power. but without enough cool air, fuel cant make as much power.
example: put 250hp injectors and a comp in a VP truck with stock turbo. it may make 400hp. drop a 62 on and it makes 500hp, drop a 475 under that 62 and it makes 600hp.
Now go back and look at the driveability of those trucks and the twinned truck has the most useable power because it has enough air for the fuel.
further air flow enhancements can easily put it over the 700hp mark STILL WITHOUT adding more fuel.
IMO thats why there is such a spread on dyno sheets with guys all using 150hp injectors, from 400-600hp variance.
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