I think it was you who had bigger injectors. Did you just modify your harness and install a LS1 style injectors? Thanks for the help.

 

it was a little harder, had to shim up the fuel rail and tweak the fuel crosover. also used the orings from the bottom of the original injectors on the new injectors.

have to program for them also. you knew that.

 

Thanks for the help. I ordered some LS1 injector connectors to install on my truck. I just wanted to make sure it would work, before I ordered some high dollar injectors that would not work.

 

parish: you bought your injectors from racetronix correct? what is the part number and the total cost. i did call rc and they said msd was the only ones who had 50 #'s that is what you have correct? any ways thanks.

Stupid: out of curiosity how much did you pay for the injector connectors? i might be able to strike a deal with a friend and don't know how much to offer him.

 

http://www.racetronix.com/Racetronix..._Sale-50s.html

that is a link to the ones that i got, they seem to work prety good but after reading this
http://www.supras.com/~riemer/sonict...rs/RCtech.html i see that the 'pintle' style is a prety old tecnology.

"We have found that the stainless steel Lucas is, by far, the finest in construction and finish. The stainless steel innards, exclusive to Lucas, are a work of art. The unique metering disc assembly is years ahead of the, 40 year old, pintle design."

if i were to do it again i would try and get the lucas ones since they are "a work of art"

the only one's that racetronics shows for the lucas ones are the 42's but that doesn't mean that is the largest that they make. also acording to that article the lucas(disc style) can be taken to 92%+, that would make the actual flow around 38.6lb/hr where as the 50lb delphi(pintle style) can only be taken to 86%, so the 50lb units would really be 43lb/hr. thats still a prety big diference between the two and it seems like you might need the BIG one's.

another quote from that article that i liked

"Minimum cycle time for most pintle types is 2.0 Ms. for P&H and 2.5 for Saturated units. The Disc will cycle as low as 1.0 Ms., pulse width, in P&H and .2.0 Ms. for the Sat. Unit. (The Lucas Disc weighs only .4 Grams. and the Bosch / Nippon -Denso pintle is at 3.9 to 4 Grams. --- Ten times heavier) The reduced inertial loading of the disc, allows the Disc to overcome the hydro- static load at excitation quicker and return to it's seat faster, providing quicker response times and more consistent cycle-to-cycle values."

i noticed this in my tuning, i had to tell the computer the injectors are alot smaller than they really are to get the flow right at low rpms, this ends up making it real rich when it goes into power enrichment. with ls1edit it's not too big of a deal, i just pulled a ton of fuel in my PE table and the ltrims figure out the rest for when it is in closed loop.

lot of rambeling here but i hope you got my point, try and find some big lucas(disc style) injectors. i think they are better than what i have.

 

</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by sleeper silverado:
<strong> Stupid: out of curiosity how much did you pay for the injector connectors? i might be able to strike a deal with a friend and don't know how much to offer him. </strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">i got mine from bigtex for next to nothing. i don't think they are worth a bunch, offer him $20.

 

I bought mine from valvegod for $50. I was in a pinch at the time, so I did it. When I saw what he sent, I realized that I overpaid. Of course, they worked just like I wanted and I was able to run cheaper Bosch injectors, so it all worked out.

I started with 99 LS1 26.4# injectors then upgraded to SVO 30# injectors. Once I got rid of the whipple, I went back to the truck type injectors. I sold the harness connectors to Parish8 and gave him the info I had on making the injectors fit.