Hey everyone i am new here so forgive me if this post is in the wrong place. I have been reading all this info for a while and i have been trying a custom turbo kit as well. the engine management is the sticky point,of course. I have been wanting to ask about this for a while but i had given up on the project until a few days ago.

What would happen if you used a bigger fuel pump, 550cc injectors, fuel pressure regulator along with the n/a rrm piggy and tuning software, AFC controller, . Could you be able to run 6-7lbs of boost safely. Or would we need to wait for an amazing break through to happen with a fully accessible e management system?

 

I think timing would still be an issue. I don't believe the RRM N/A piggy can control it. I'm thinking your best bet might be a Haltech unit if you want something soon. They're known to work properly.

 

Are you aware that rrm will sell the turbo piggyback? It is costly but abviously it should controll some timing, wouldn't you think so? They run there turbo 7lbs of boost with no problem. They also use an extra injector vs 4 upgraded ones. Im no expert by a long shot but i would think the piggy would alter the MAF enough to compensate for added air flow. But, i guess you need to retard timing and the piggyback only advances right?

 

Ah, wasn't aware that RRM would sell their turbo piggy on its own. The turbo piggy should be able to both retard and advance timing.

Splitting this into its own thread to keep the other on topic.

 

thanks i will keep in touch when i figure something else out.

 

well, it depends on the way the split second turbo piggy controls timing. the crank and cam signal are both odd, so it may only retard timing from stock and not advance it. if it does like the mapecu2 and intercepts the igniter signals to control timing it will advance or retard.

also, thunder_rush has been running 10 lbs for about two years on RRM's NA piggy, no timing control, without issues. 6-7lbs should be fine without timing control, but I haven't tried myself.

Rock has posted about POSSIBLY selling the turbo piggy for 800. I would call him and ask him about it. I am sure he is willing to sell you one, but for what price I

If you go with anything accept a Haltech or Split Second unit right now you are up **** creek without a paddle. There is something special about the MAF circuit that is preventing universal units from recognizing the signal. I am working on this right now, but don't wait for me to figure it out - show me up instead and figure it out for me

 

yeah i have noticed this thorn in everyone's side for a while now. I would love to beat ya to the punch but i am not that good with programs and such but i will try my best.

The middle of last year i chatted with a tuner shop in ontario, canada lukasportz.com They turbo'ed a ralliart with the smt-6 piggy but he had to put resistors or something of that nature in the factory wiring harness do to rough idle and i have not spoke with him in a while. Some one with more knowledge of this system may contact him to see if he could help out on this. My computer vocabulary is not up to speed yet with. lukasz@lukasportz.com (1 905-265-8979)

 

thanks for the number and link. the smt-6 has pull up resistors built in (I believe 47k ohm) but I am not sure that is the correct resistance for our car. the only real way to tell what's going on is with an o-scope. I don't have one, and if I wasn't putting 3 grand into my mouth right now I would buy one. I already tried to get away with an "as is" unit, so next time I plan on getting the real deal holyfield. I want one that comes with probes and a manual, as well as the affirmation that it functions properly.

 

no o-scope necessary. if you aren't willing to spend tons of time figuring this out buy the RRM split second units... they already spent the time figuring it out for you

 

this is accurate, however I have been told it will not be as accurate as split seconds unit. there is a difference in the way things operate on the RA. I have not tried contacting lukasportz either, they may be able to offer a more detailed explanation. I have agreed not to disclose the information given to me, but that doesn't mean you can't find it like I did