Finishing Touches On Sc V2 Install

stanglx2002 · Mar 21, 2018

Let us know if it works

ZachMorris · Mar 21, 2018

Will do - thanks for all the support.

Ready for this headache to be over with.

ZachMorris · Mar 21, 2018

Pumps going in tomorrow morning and back on dyno around lunch

RangerJoe · Mar 23, 2018

ZachMorris said:
Pumps going in tomorrow morning and back on dyno around lunch

Well????

Joe

stanglx2002 · Mar 23, 2018

He must be out since it's fixed and doesn't care about us anymore

ZachMorris · Mar 23, 2018

Lol sorry boys - shop got tied up and hasn’t had a chance to get it back on the dyno.

Hoping early next week Monday/Tuesday

ZachMorris · Mar 27, 2018

Still going lean with the 255lph walboro...

Looks like it’s hanger and lines..

stanglx2002 · Mar 27, 2018

Were the 42lb injectors new or used? It seems weird at that power level you are having those issues. Did your tuner tell you the injector duty cycle %?

It might be helpful to put in some Siemens Deka 60lb injectors if that hanger doesn't work.

ZachMorris · Mar 27, 2018

stanglx2002 said:
Were the 42lb injectors new or used? It seems weird at that power level you are having those issues. Did your tuner tell you the injector duty cycle %?

It might be helpful to put in some Siemens Deka 60lb injectors if that hanger doesn't work.

Used but were tested before sent...from a reputable shop. I believe duty cycle was around 80%. If hanger doesn’t work the cars getting parked...after doing MAF, regulator and lots of dyno time I’m going to be out of $$ for this year.

jchav02 · Mar 27, 2018

Thats odd its got to be an injector issue or something obstructing fuel delivery. Well at least your fuel system will be able to handle more power in the future. What lines are you going to go with?

TOOLOW91 · Mar 28, 2018

Something is off . I’ve never seen an issue with the 340 on the stock stuff but the explanation he gave does make sense and i have heard it before .

Then it does with the other pump too . I’ll bet there is a blockage or something somewhere too . Either way hanger and lines will solve that . -8 feed -6 return can take you way into 700s at tire from my experience so you’ll be golden.

ZachMorris · Apr 11, 2018

Car's going back on the dyno in a couple hours...it took a couple weeks for the hanger to come in but its installed with -8 feed and -6 return. It's just going to the stock rails for now with the 42lbers. I'll upgrade the rails down the road...hopefully this solves the problem.

I'll keep you boys posted

ZachMorris · Apr 11, 2018

Car made 452 @ 5k rpms and started leaning out again - duty cycle on the injectors was at 67% which seems fine.

He's suggesting just going to 60lbers and rails and be done with it.

ZachMorris · Apr 11, 2018

Ordered some FMS 60lbers and an Aeromotive fuel rail.

Atleast when it’s all said and done I’ll have a new fuel system.

a91what · Apr 11, 2018

You also have parts to sell.

ZachMorris · Apr 11, 2018

Yup I’m still confused as to why injectors are at 67% duty cycle and not going higher but maybe they’re duds.

Will be nice to have all new fuel system though...atleast I’m good long term.

Church401 · Apr 11, 2018

Damn dude we’re all pulling for you. I’ve heard of stock rails giving this kid a problem at around 400 wheel with a super charger.

a91what · Apr 11, 2018

ZachMorris said:
Yup I’m still confused as to why injectors are at 67% duty cycle and not going higher but maybe they’re duds.

Will be nice to have all new fuel system though...atleast I’m good long term.

Normally if the fuel system is to small the duty cycle will increase with no change in fuel delivery. If the duty cycle was above 90% I could go with that but not.
Unless he has the injector settings wrong....

ZachMorris · Apr 11, 2018

Yeah I’m pretty confused. He’s a fairly reputable tuner but it just doesn’t add up. All I know is that with these FMS 60lbs and fuel rail it definitely shouldn’t go lean again.

Lucas injectors that we’re used.

This has been a nightmare

90sickfox · Apr 11, 2018

I went to a tuner once that made a lot of money upselling stuff. He would cause issues in the tune and try to sell parts for install time money. He tried to tell me I needed a new distributor ( that he just happened to have NIB ). I left there with one partial pull on the dyno. I drove with that distributor for atleast 9 more years. The average Joe woulda bought it and let him install stuff.

I think that guy ended up getting stabbed... not by me

Finishing Touches On Sc V2 Install

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