Welcome to www.JeepStrokers.com!!
Not yet a registered user? You are required to Register before you can post within this topic.

injectors

For all non stroker / performance related problems and discussion.
badjeebus
Posts: 1
Joined: March 11th, 2010, 5:41 pm
Vehicle Year: 1993
Vehicle Make: jeep
Vehicle Model: yj

injectors

Postby badjeebus » March 14th, 2010, 7:16 pm

hello all,i have been reading many different topics about replacing the injectors on a 93 4.0 ho engine ,,,,,,,,motor is stock,,im interested in finding out which injectors work or perform better , the stock ones , i`ve heard 5.0 litre ford ones , so which ones people,thanks in advance.

User avatar
holeski
Noob
Noob
Posts: 16
Joined: March 13th, 2010, 10:18 pm
Stroker Displacement: 4.01
Vehicle Year: 8894
Vehicle Make: jeep
Vehicle Model: MJ/YJ
Location: North Pole Alaska
Contact:

Re: injectors

Postby holeski » March 14th, 2010, 8:49 pm

I was just going to ask something alone these lines. A FAQ on injectors might be a good idea. I have a set of Bosch 0280150556 D5B-19lb I think they are, in one motor. What are the pros and cons of single hole and muti hole injectors?
norakor.com

User avatar
holeski
Noob
Noob
Posts: 16
Joined: March 13th, 2010, 10:18 pm
Stroker Displacement: 4.01
Vehicle Year: 8894
Vehicle Make: jeep
Vehicle Model: MJ/YJ
Location: North Pole Alaska
Contact:

Re: injectors

Postby holeski » March 14th, 2010, 10:58 pm

viewtopic.php?f=15&t=1663&hilit=injectors

SilverXJ wrote:I'll give you my opinion on a 27 lb injectors. On my build, a 4.7L w/ ported and polished head, 62mm throttle body K&N in my 2000 XJ the injectors I choose at first were something like 25 on a lower psi rail. On my 49psi rail it worked out to be 27 lbs. Without input from my APEXI it was running richer than 10:1 AFR after 3000 rpm. So, I wouldn't recommend them. I have another set that works out to about 24 lbs on th3 40 PSI rail that I haven't tried yet.

viewtopic.php?f=8&t=624&hilit=injectors
norakor.com

User avatar
SilverXJ
Global Moderator
Global Moderator
Posts: 5789
Joined: February 14th, 2008, 7:14 am
Stroker Displacement: 4.6L
Vehicle Year: 2000
Vehicle Make: Jeep
Vehicle Model: Cherokee
Location: Radford, Va
Contact:

Re: injectors

Postby SilverXJ » March 15th, 2010, 4:32 am

Your mileage will vary depending on variables. I actually went back to using those injectors, but there is probably a better match available

User avatar
gradon
Donator
Donator
Posts: 1333
Joined: February 13th, 2008, 5:33 pm
Stroker Displacement: 4.6/280ci
Vehicle Year: 1996
Vehicle Make: Jeep
Vehicle Model: Cherokee
Location: DC

Re: injectors

Postby gradon » March 15th, 2010, 9:33 am

I just picked up MarineJRM's 27#ers(on my 49psi rail) because I couldn't get my afrs down to 12.5:1 fast enough in 5th gear WOT with the psc1 maxed out and the LT1s at 25.5#(100% duty cycle isn't good, 80% is preferable). My stock 4.0 injectors were 23.2# and now that I have an additonal 15% displacement and heavily ported head, it makes sense that 15% bigger injectors would be required=27#.

99_WJ_4.0
Posts: 2
Joined: April 9th, 2017, 5:41 am
Stroker Displacement: 4.6
Vehicle Year: 1999
Vehicle Make: Jeep
Vehicle Model: Grand Cher

Re: injectors

Postby 99_WJ_4.0 » November 18th, 2017, 9:20 am

So I'm currently in the same boat as far as figuring out what injectors I need to find. I have a 4.6 stroker in my 2000 wj and it HAD taurus injectors in it...was running like crap and came down to those being the last thing left to change so I put stock ones I had laying around in it...runs better but obviously not ideally...I bought the jeep with the engine in it and tho I know alot about the wj grands, having had 8 in the recent years.. I don't know about strokers...it has 50k on the rebuild but I want it to be proper...thought of going to a custom ground cam that a company I've spoken to has cut for them that is quite a bit more aggressive than the off the shelf one it has in it...I want it to be a mean SOB.

User avatar
SkylinesSuck
Donator
Donator
Posts: 280
Joined: February 14th, 2009, 11:11 pm
Stroker Displacement: 4.6L
Vehicle Year: 1998
Vehicle Make: Jeep
Vehicle Model: Wrangler
Location: Northern VA

Re: injectors

Postby SkylinesSuck » November 18th, 2017, 10:54 am

Are those EV1 or EV3 connectors?

99_WJ_4.0
Posts: 2
Joined: April 9th, 2017, 5:41 am
Stroker Displacement: 4.6
Vehicle Year: 1999
Vehicle Make: Jeep
Vehicle Model: Grand Cher

Re: injectors

Postby 99_WJ_4.0 » November 19th, 2017, 2:51 pm

I honestly don't know what they are. I wasn't even aware that you could swap injectors from other makes into vehicles. Not something I've ever tried. New to the whole modified engine thing.


Return to “General Tech”

Who is online

Users browsing this forum: No registered users and 2 guests