rez_rocket

I am currently rebuilding a 331 for my 88lx with the following mods: Edelbrock rpm head w 1.7RR and a RPM intake. Both ported using the bigger fel-pro intake gasket as a template. 75MM throttle body with a C&L 76mm inlet pipe and 76mm mass air sensor. Cam will be more than a 550 lift, not sure yet. BBk long tube headers with matching H-pipe. Planning on a NOS plate sysytem (150 shot). My question is what kind of injectors would i need feed this beast? I currently have 24lb but dont think that will be enough. Any feedback would be great!

88blackgt

30lb would probably work, not sure with the nitrous though maybe 42?

Ecstasy

30 will probably be fine for the setup, but i wouldnt risk it if your going to spray, go with 42#'s. and be sure to upgrade your fuel pump.

2 kwik

more detail?
compression
cc of heads
c/l of cam
what intake?

so your just gasket match the heads/intake?

rez_rocket

Thanks guys. Im going with a 255lph fuel pump and bbk fuel rails. I heard that these were the best fit, no distributor clearance issues. Compression is 9.5 with 64cc with the cam its still in the air. Going to let the cam exports pick the right one for the combonation. My intake is a Eldelbrock Performer RPM ported with the bigger fel-pro gasket (i think its part# 1562 or something like that) i leaning toward 42lb especialy with the nitrous. thanks again

7upedition

are you running a dry or wet nitrous system? i'd go 42 either way you can always adjust the fuel pressure and duty cycle to meet the needs!

rez_rocket

its the wet kit......the plate system that sits between the upper and lower intake

7upedition

very good choice, what brand, and if your buying new injectors go bigger so you only buy them once....imo

rez_rocket

i would love NX but the NOS brand it alot cheaper.....so it looks like NOS.....think theres any difference?

88BlueGT

I would pass on the fuel rails.... its just a waste of money. The stock rails are good for alot more fuel than you will be using. Save yourself the money and put it somewhere else. Just my .02.