I paid 3,000$ for new performance injectors, Been having trouble with my engine starting and white smoke ect... I took the valve covers off and low & behold I have 3 stock injectors 1 new enjector on each side I was told by Deisel performance Unlimited the company that put them in that all performance injectors are rebuilt stock injectors with a new tip on them.

Dont know that much about injectors so any info would help
THanks

 

90% of your "performance" injectors are rebuilt stockers. You will get new nozzles and what ever internal mods are needed for the type of injectors you bought. Be it stage 1's, stage 2's or hybrids...

For 3K I would assume you got hybrids. You know you will need single shot tuning for the injectors to run properly right?

 

Where did these performance injectors come from? That is a lot of coin.

 

Diesel Performance Unlimited.
They are 90 hp. reman inj but when they put them in they told me they were brand new inj. I asked if they did any tunning they said that it would not deed it.

 

Ask them to give you all the specs on these injectors and post it here. That is a lot of money to me.

 

Who the heck is Diesel Performance Unlimited and where did u hear about them?

 

yeah thats alot of money for 90hp injectors, injectors that size shouldhave been around 1500-1700. but it the 3000 for the installation also or just the injectors?

 

EVERY performance injector requires custom tuning. If you got aftermarket split shots, yes they can run on stock tuning, but you'll have issues like what you have now, hard starts, smoke at idle, and even a rougher running engine.

Larger tips cause more fuel to be injected in the same amount of time. So to tune for larger tipped injectors, you need to pull back on the injection pulsewidth. Otherwise, you'll get that white smoke at idle because it's overfueling.

And like the others said, post up the specs on the injectors. Any good shop should have sent specs in the box with the new injectors. If not, call them up and ask for them.

Any shop that refuses to give you the specs would be considered a rip off artist. You need the injector specs for proper tuning. Yes there are some shops out there that refuse to give customers the specs to their injector builds. It's sad, but it happens sometimes.