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Leaking injectors

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Old 11-19-2004, 03:52 PM
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Leaking injectors

Two of my injectors were leaking, replaced with new parts and it ran like ****tt....Some of the other injectors tips came off of the top so this is probably the reason why, and the parts store gave me two different ones??? ONe had the one spray cone, and the other with 6 needle holes?Going to bring them back and replace all injectors so i won't have to worry about this. Whats a good kit/ price for all of them and where can i get them (no auto stores)??? Performance parts would be nice is the price is right.

I was thinking about putting in http://www.jegs.com/cgi-bin/ncommerc...14&prmenbr=361 these, the 19 lb/hr. ones.

Last edited by Slow2.8; 11-19-2004 at 04:00 PM.
Old 11-19-2004, 05:06 PM
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Car: 89 Iroc
Engine: lb9
Transmission: wc t-5
Axle/Gears: 10 bolt 3.08 posi
cheapest way to go, get a set of junkyard injectors and send them off to cruizinperformance.com

cheap and easy

plus 19lbs is way to big for our v6's
Old 11-19-2004, 06:02 PM
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Car: 1986 Firebird
Engine: 2.8 V6
Transmission: 700R4
I agree with the Junkyard & CruzinPerformance.com idea.

I also agree that they should've given you a full set of the Bosch (aka "pintle") ones, or a full set of the Multec (aka "showerhead") ones.

As far as the injector tips; are you talking the Bosch "pintle" injectors, with the plastic tip caps? I was told that those caps are just to prevent dust/dirt from getting in, and it's okay to run without the caps. That's why you'll see a parts store selling Just the o-rings (Kit # SK-9 made by Standard for $12) but no pintle caps.

Rich (at CruzinPerformance) installs new pintle caps along with new o-rings if you have him clean your injectors.
Old 11-19-2004, 06:17 PM
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Car: 89 Iroc
Engine: lb9
Transmission: wc t-5
Axle/Gears: 10 bolt 3.08 posi
for the $!2 per injector you can't go wrong
Old 11-19-2004, 10:14 PM
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I think what im going to do...

Is since i have a few mods to my car already, a nice intake allowing alot more air in the engine, is to replace all the injectors with brand new ones from accel, b/c these old ones are definately shot, and i can't keep the car off that long to get the ones cleaned (plus i want more fuel anyways) so I'm going to go with these, accel 17 lb/hr. for $173 @ summit, this way i shouldn't have to worry about anymore injector problems and get better performance. Stock is what 15 lb/hr? SO 17 shouldn't be too much for it to handle. I also already have a hypertech chip.
Old 11-21-2004, 06:04 PM
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Car: 1986 Firebird
Engine: 2.8 V6
Transmission: 700R4
Actually I thought stock for 2.8 was 13 lb/hr, stock for 3.1 was 15 lb/hr. I'm running 15 lb 3.1 Multec injectors (shower head design) on my 2.8, passed NJ emissions (chassis dyno) no problems.
Old 11-21-2004, 07:05 PM
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If thats the case then i'll get the 15 lb/hr., again from accel, good thing that was brought up. Just curious tom, where did you get them at and how much Should I expect in increase in throttle response?

Last edited by Slow2.8; 11-21-2004 at 07:09 PM.
Old 11-22-2004, 12:07 PM
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Car: 1986 Firebird
Engine: 2.8 V6
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Junkyard, $10 for the set. Didn't send 'em out to Rich b/c I thought my old ones were clogged, and I needed something to pass emissions with (I was a month overdue).

The car "overall" seemed to perk up.
Old 11-24-2004, 03:14 PM
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Car: 87 Red/Blk Bird loaded 3.4L & 700R4
Transmission: Th700R4
Axle/Gears: 3.73
Originally posted by kretos
cheapest way to go, get a set of junkyard injectors and send them off to cruizinperformance.com

cheap and easy

plus 19lbs is way to big for our v6's
I have a set of 19lb ford injectors & they are too big w/o a custom chip and serious modifications to the car. I already have an adjustable fuel pressure regulator, but I'm still running way rich. Planning on a MSD box to help lean me out. Then of course a chip will be the saving grace. Plus and more air in soon will help the mixure even out!
Old 11-25-2004, 02:07 PM
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Car: '86 Camaro SC, '16 QX60
Engine: 2.8 V6 POWER, 3.5L V6 N/A
Transmission: T-5, CVT
Originally posted by TomP
Actually I thought stock for 2.8 was 13 lb/hr, stock for 3.1 was 15 lb/hr. I'm running 15 lb 3.1 Multec injectors (shower head design) on my 2.8, passed NJ emissions (chassis dyno) no problems.
Actually the stock 2.8 injector is low 15pph, and the 3.1 is a little higher in the 15pph range. That 13 came from Dale who had the wrong HP value for the 2.8. He's corrected himself a few times now.

Here's a thread of mine for reference:

https://www.thirdgen.org/techbb2/sho...hreadid=263057
Old 11-25-2004, 04:38 PM
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Ok, Well hopefully the ones from Accel will be nice and I expect them to flow more than stock, definately. Will update when they come in and i put them in the car, with pics of my plenum because I painted it while its off the car, looks good, imo.
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