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-   -   Help me new to 12 valve!! (https://www.dieselbombers.com/12-valve-2nd-gen-dodge-cummins-94-98/75657-help-me-new-12-valve.html)

Get_ER_Cummin 05-01-2011 02:14 AM

Help me new to 12 valve!!
 
So I have been over heating the search option on my computer to find nothing but the same results... But in diff. Format !! I'm looking to make 600-650hp to tow my crawler and drive it daily... I know guys please hang in there with me..
My story is this the rig has well had 238k on the motor as about a week ago the KDP decided to kill and in the result of that I have a broken cam gear and cam, timing cover and case, and well 6 bent exh valves and 6 exh push rods... Yeah can y'all fill me in how this happens? I know kdp but broken cam and bent valves and such.. Needless to say I pulled the motor and it's off to the machine shop getting a .20 over and marine pistons I just need help with the HP part of the help
So PLEASE let the best ones throw your ideas out there!!!!! I'm willing to listen and learn
This is what I have so far to bolt on and install
AIR: 66-71-14 htt gated, afe magnum intake, custom built "by me" intake manifold and plate, maybe equal length header? 60# springs ,
Fuel : new era 200hp injectors I think 6x..? , 093 lines, full cut DV, high flow holders, 4kgsk, p7100 at 22* , 100 plate , afc spring kit, air dog??
Exh:5" TB
Motor overhaul with .20 over bore marine fly cut coated pistons, balanced rotating assembly , polished crank, hemilton street cam, billet push tubes, studs, ringed, marine HG..
I think this Is all let me know what yall would change up about this I'm hoping to make about 600hp on the rollers
PLEASE any input would help thanks every one :humm:
So please guys help me out

wes-cummins 05-01-2011 10:59 AM

mabey twin turbos

Get_ER_Cummin 05-01-2011 11:38 AM

Well twins would be one way to do it but I'm not sure if I need twins I'm hoping I have enough other upgrades to reach my goal

12valvetater 05-01-2011 12:35 PM

66/74-13 and a bunch of fuel. You won't want to tow a lawn mower with it though.

Get_ER_Cummin 05-01-2011 06:22 PM

Mean to tell me I need more fuel then that ?? And smaller turbo ?

EasternAggie 05-02-2011 12:21 AM

I think you listed plenty of fuel to get you to 600. If you're going to be towing, I would say definately go with twins.

Get_ER_Cummin 05-02-2011 04:00 AM

I would like to go with twins I would just have he'll of a time tuning them like my last set keep the info coming guys thanks for the pointers

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I know there 12 valve heads on here that could point me the 650ish HP way !?!?

EasternAggie 05-02-2011 11:40 AM

Back on the subject of the KDP, I know you had asked how it could cause such destruction. Here are the three options of scenarios that can happen when the KDP comes out, stolen from a post by Whit :tu:


Option number one: you get extremely lucky and the pin falls through the maze of cam, crank, and injection-pump gears and lands harmlessly in the oil pan or on the bottom of the gear housing-and nothing happens. Total cost for repairs: $0.

Option number two: the pin falls, and it comes in contact with the cam gear and smashes into the gear housing on the front of your engine. When this happens, it is steel versus aluminum-and steel wins out. The housing will crack open or lose a big chunk right where the dowel pin was forced into the housing. If this happens, you'll wake up the next morning and notice the Exxon Valdez in your driveway. Your total repair bill, including labor, will be approximately $1,000.

Option number three is the killer: the pin falls and munches up the cam gear or breaks it off completely. The valves will then smack into the pistons, creating a junkyard in your combustion chambers. Scraping metal doesn't work nearly as well as #2 diesel, and this can take out your heads, valves, and pistons-and possibly your engine block, making it impossible to overbore and rebuild. If this happens, there are almost no parts you can salvage, and your only option is to either to sell the truck for parts or pick up a new engine to the tune of at least a few thousands bucks. When option number three happens, you'll be left stranded on the side of the road.

Get_ER_Cummin 05-02-2011 04:32 PM

Well I can tell my scenario wasn't #1 or #2 but not as bad as #3 I wish I could post some pix so everyone can see... Let me try can y'all let me know if it posts!! Please

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http://img703.imageshack.us/img703/7792/camgear1.jpg

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http://img714.imageshack.us/img714/9303/gutted3.jpg

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http://img859.imageshack.us/img859/7582/gutted2.jpg



Uploaded with ImageShack.us

Get_ER_Cummin 05-04-2011 01:45 AM

Come on guys I know there is more I should know... Help me out here any info would be greatly appriciated

BRE 05-04-2011 08:43 PM

trash the .093 lines for sure. Your not pushing the fuel or turning the rpms to need it. I also wouldnt go with the full cuts either. Yes they make power but are super dirty and create alot of heat. I would do away with the plate and do a good tuning job on the afc as well. With the injectors I would probably try some 5x.016's or some 5x.018's with some little tricks done to them or maybe trying a 7 hole designs.

What pump are you going to be running?

Get a good air dog and make sure it has plenty of fuel supplied to it.

No matter the tune in my opinion a 66 is going to be laggy on the street if you ask me.
Just my $.02

EasternAggie 05-04-2011 11:33 PM

Especially on a P-pumped truck, a 66 is going to be laggy and dirty, the CR's can get away with it easier :humm:

I would definately go with twins if you have the money, with probably a 62 or 63 mated to a 75.

Get_ER_Cummin 05-05-2011 12:10 AM

Well I guess my 66 is for sale it has 600 miles on it let me know or trade for something smaller

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I have ran the s300/s480 on my 24 valve but I didn't like the fact that even at fool spool they weren't that nice .. But maybe cuz of not enough tuning well have to see if my coin shines at the next paycheck

BRE 05-05-2011 07:56 PM

What was done to the 24v? The key to twins is tuning...

And just for my opinion which isnt worth much, a 66 doesnt work on a street truck especially with what you have down for a combo. Those full cuts along with a big laggy charger would result in HEAT! That is gonna be something your not gonna want on a street truck. There is more people on here with better knowledge than me but just trying to give my opinion.

Get_ER_Cummin 05-05-2011 10:07 PM

I do appreciate all the info!!!!
24v had mikes monster pump,edge with smarty, 200hp injectors , and all the bolt ons from studs to intake , exhaust etc. It was also a 5 spd so ....

big willy 05-06-2011 01:26 AM

Talking about twins what about running a hx35/S300 or something along those lines?

what yall think about that one?

Get_ER_Cummin 05-06-2011 01:41 AM

I dont have a stock turbo anymore ... But I did but a PS 62 today from industrial and sent my pump out to them for some final tuning

97cummins 05-06-2011 04:06 AM

afe magnum intake(air filter?)I didn't see anything in your list for guages.If you don't have those i would strongly recomend those.Especally an egt guage because you'll be increaing the fueling and the egt's will start rising.

Get_ER_Cummin 05-08-2011 03:26 AM

Gauges were my first add on...

97cummins 05-09-2011 01:59 AM

oh,ok,my bad:tu:

EasternAggie 05-10-2011 12:24 PM


Originally Posted by big willy (Post 749813)
Talking about twins what about running a hx35/S300 or something along those lines?

what yall think about that one?

I think you mean an S400 and not S300. The most common setup is stock with either and S400 or HT3B.

Get_ER_Cummin 05-11-2011 11:31 PM

well just got my new HAMILTON cam,,
my block is ready to be ass. .20 over marine pistons coated and fly cut.. should be fun and my new turbo came today pretty happy about it you guys have any good info on tuning once its all done and i might want to send my pump out but im soo far from anyone any ideas??

EasternAggie 05-15-2011 07:24 PM

Did you get the 66/71/14?

Get_ER_Cummin 05-16-2011 12:25 PM

I had the 66... I got a new 62 super phat shaft

EasternAggie 05-16-2011 11:21 PM

I guess you bumped your 600hp figure down a bit then? You could always use that in a set of twins though, should work nicely.

Get_ER_Cummin 05-17-2011 12:50 AM

What do you guys think I could make with that turbo

EasternAggie 05-17-2011 11:39 AM

Fuel only, I would think depending on other mods, 450-500 should be easy to get, maybe more, let some of the other guys chime in.

Get_ER_Cummin 05-17-2011 04:17 PM

lets hope they do chime in !!!!

BRE 05-19-2011 12:57 AM

500 min with good tuning. I would think you can touch 600 pretty easy.

Get_ER_Cummin 05-20-2011 04:02 PM

i hope for 500 ponies my pump just showed up today 500cc's i guess ill have to detune it a little so it can tow still

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anyone have any input about that adjustable fuel plate ?

EasternAggie 05-21-2011 12:22 AM

You talking about the one where you can adjust it on the fly? Its not streetable at all. You lose your AFC with that setup. I think the main purpose for that is for sled pullers who want to be able to quickly adjust fuel flow for track conditions.


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