Injector Sizes
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Newbie
Joined: Jul 2007
Posts: 1
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Injector Sizes
Iam looking into getting some bigger injectors for my 01. my local diesel shop is saying that anything over 100hp sticks will cause idle problems and start-up problems. anybody running larger injectors that can give me some input?
Fill out your signature so we know more info on your truck. Bigger injectors will make your truck idle different over stock injectors. Just make sure you get a name brand injector and you will be fine. And make sure your have a good fuel pump to make sure your not starving your VP44 such as a FASS.
DDP
DonM
Industrial Injection
Edge Jammer
Just to name a few
WELCOME TO DB!!!!
DDP
DonM
Industrial Injection
Edge Jammer
Just to name a few
WELCOME TO DB!!!!
Diesel Bombers Sponsor
Joined: Mar 2007
Posts: 3,791
Likes: 367
From: Blowing Rock,NC
I'm running a set of Don's 8+++'s with no problems with idle or start up!
As Said, Start with a fuel pump and we'll all try to lead you the right dirrection, I cant help the fact im very partial to Dons injectors!
As Said, Start with a fuel pump and we'll all try to lead you the right dirrection, I cant help the fact im very partial to Dons injectors!
Diesel Bomber
Joined: Jan 2008
Posts: 4,525
Likes: 103
From: Havre mt
me and my buddie both have industrial injection 370 stage 2 injectors in my 94 12v and his 95 12v and there is no differnce in how it starts just on ours you have to push the pedal ever so slightly just to get them to fire
Diesel Enthusiast
Joined: Apr 2007
Posts: 400
Likes: 16
From: fullerton ca.
the only time i have heard of the idle lopeing is from the hrvp-44 pumps. as for hard starts. thats news to me!
Diesel Bombers Sponsor
Joined: Dec 2007
Posts: 520
Likes: 62
We just put some Fireball 200's in a truck with a HTT 64/14. Idles like stock and has very low idle smoke.
The bottom line is that the truck requires 'X' amount of fuel to idle or cruise or make a given amount of power. The injector does not play a huge role under these conditions with regards of quantity of fuel consumed to do a specific job.
Some of the old DD injectors were known to have some driveabilty issues on the bottom end. It's my thought that the spray angles were compromised due to excessive honing. This is why we started seeing more mileage with EDMs. Better spray angles and precise fuel metering out of each hole.
Dave
The bottom line is that the truck requires 'X' amount of fuel to idle or cruise or make a given amount of power. The injector does not play a huge role under these conditions with regards of quantity of fuel consumed to do a specific job.
Some of the old DD injectors were known to have some driveabilty issues on the bottom end. It's my thought that the spray angles were compromised due to excessive honing. This is why we started seeing more mileage with EDMs. Better spray angles and precise fuel metering out of each hole.
Dave
