Yes, I know there are several threads about this, but I need to be 100% sure.
Im thinking of changing to these injectors : http://store.summitracing.com/partde...MS-M-9593-C302
Ford Racing 19lbs (going back to stock lbs/hr)


Im using Accel 23lbs/hr right now, and I think (even thou I change the injector constant in the prom thats something is wrong with my Accel injectors, yellow ones...)


Shall I go with the ford 19lbs or shall I buy new Accel (white/silver ones heard that they shall be much better then the yellow ones..). : http://store.summitracing.com/partde...5&autoview=sku

and if I shall buy ford injectors, shall I buy other o-rings ? cannot find GM o-rings on summit, anyone know wich ones I need to change to ??

and is it just an direct fit with the ford injectors ? When I changed the Accel injectors they clicked right in place and I had/have no externalleaks. used the accel o-rings that was included...

Any help is really appreciated

 

I went with Ford injectors, and they're working great for me. The main reason I got them was the price, $65 shipped off ebay. They had been rebuilt and came with new o-rings. The Fel-Pro intake gasket set I bought also came with injector o-rings, and I used those instead. They are slightly shorter than stock, but as long as you use the clips to install them into the fuel rail, you'll be fine. After you re-install the fuel rail, hook it up and do a pressure test before putting the rest of the intake on. That way if there is a leak, it's pretty easy to get at.

 

Thanks for the answer, so If I buy this Fel-PRO kit and use the fel-pro o-rings I will o fine then ? : http://store.summitracing.com/partde...t=FEL-MS930351

what you mean with the clips ? I will reuse the C clips that holds the injector in place in the fuel rail (is it those you mean?) or are it the "clips/nozzle" in plastic as the accel has ?

thanks again for fast response Will order these in about ~10hours, just want to know what "clips" youre talking about first

 

Yeah, that's the kit I used, and the o-rings I used. And yes, the c-clips that hold the injectors to the fuel rail.

 

Then Im good to go, I reuse the stock C clips again and go with that gasket kit.

Thanks again Ward

 

Nothing but trouble free miles for about 3 yrs with my 24# Accels. Lots of roadtrips and track courses.

Didn't trust having the originals rebuilt, they were brittle anyways.

 

The Ford Injectors and Fel-Pro gasket are ordered, and shipped from summit, now we see how long it takes to come home to Sweden

Thanks for all feedback and help

 

in the Fel-Pro kit that I bought, there is only 8 o-rings included.. shall I only change the lower ones (intake o-rings) or shall I buy more o-rings and chane the upper ones to (fuelrail ones) or is it just the lower ones thats different ?..

Is it the same size o-rings on the upper/lower (intake/fuelrail) oart on the injector ? Think I got one set o-rings left from last time when I changed, bought the same Fel-pro kit last time, but I installed accel injectors and didnt have to use the fel-pro o-rings then, Now im going with ford injectors...so
Do I only need to change the down ones ?

or do I need to buy this ones too ? : http://tpiparts.net/inc/sdetail/300
need to know So I can buy if needed before I start to change the injectors..

please help me out..

 

Ward my man ?

anyone?

 

fords use a 14.5mm o ring gm uses a 15mm... they both will seal. i would put the right o ring up and down.. leaks suck

 

Several months ago I installed Ford injectors in my engine. The Fel Pro gasket set cam with O-Rings and I explored getting GM O-Rings. I even asked the same question, you could probably search and find that thread. I used the ones that came with the Ford injectors and they are not leaking. One would thing they would leak sooner rather than later; however, I have not seen any experiences on how the Ford O-Rings hold up over time compared to GM O-Rings.

 

I'm not sure what used to come on the Ford injectors, but the Orings I recently got with mine were the same diameter as my stock o-rings, just not quite as fat, (looking at them from the side).

I've heard there were sometimes problems with the OLDER style (smaller diameter) O-rings when used with our TPIs, but that now the fords have the larger ones. I can't say that's what you'll get, but mine were the same.

....regardless, I'm using my old O-rings on the top, which were in good condition, and the Ford O rings around the bottom. No problems with several hundred miles on the car after the injector swap.

 

Thanks for your comments guys, Still waiting for my package to arrive, But as soon as I changed it Ill get back here with some info about the change

Thanks again.

 

I just swapped TPI onto my firebird and used ford injectors. I installed the GM upper o-rings and the Ford lower o-rings. Fits like a charm. I used a little dab of oil when I assembled them to ease installation. I have used a combination of GM/Ford o-rings in the past with no ill effects. -Bob