Injector upgrade thoughts.

[rainman]

Originally Posted by mr baer

So where did you guys buy your neon injectors from, the best price I could get in NZ was $600 EACH!!

in the first post
"Handy links:
Most of the injectors mentioned above can be bought reconditioned for about $25 usd each, here:
http://www.fuelinjector.citymaker.co...ge/5522851.htm
Alternatively:
http://www.injectorwarehouse.com/index.html"

[Cypher]

Thanks to this thread instead of cleaning my injectors I'm ordering 6 upgraded ones from the US from eBay:

http://cgi.ebay.com.au/ws/eBayISAPI....m=300453462053

There's a video on that page that shows the difference between the stock jeep injectors and the newer Bosch ones, pretty amazing difference.

[topstarnec]

I think fuel economy of RAINMAN’s car actually is 10L/100Km to 11L/100Km since speed sensor installed on output shaft of trans.

The reality travel distance is about 13.4% more than displayed on the dashpot since changed the differential ration from 4.10 to 3.55.

[rainman]

dude there is no way my heap gets that sort of economy.
At the moment it is getting 14.5-15 l/100 km. spedo is right with the 410 ratios & 32" tyres checked against a gps.

[Puk]

Sorry for the dumb question, but how do i find out what fuel pressure my xj is running?

It is a 96 (Even though a little plate on it says "Built Oct 95) and an OBD1.
So it seems to me to be sitting either side of the cutoff that you guys use to work out which one it is.

Would i have the higher pressure that would mean the VT commy injectors would be fine?
Puk

[rainman]

an easy way to tell if you are looking at a obd1 jeep is to look for the presence of a fuel pressure regulator on the fuel rail, and 2 fuel lines running into the fuel rail.
OBD2 jeeps have no FPR on the fuel rail and only one fuel line going to the fuel rail.

you can screw a pressure gauge on to the valve (under the black knob hanging off the rail in the picture) to get a pressure reading.

[Puk]

I was wrong. It is an OBD2.
Thanks for the tip.
Puk