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DIY Turbo Discussion greddy on a 1.8? homebrew kit?

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Old 11-05-2006, 03:54 PM   #1
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Default It worked :yippee:

Ohh yeah i am now running the rx7 460's. I had to take my rrfpr of as with it attached i was severly drownign the car on top. even pulling the max of fuel. But it works rx-7 afm and safcII+460cc high impedance injectors works great. so far 14 psi seems to be about my limit before i detonate so i might need to tweak my WI pressures or get a progressive but i am just happy it works yippee.
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Old 11-05-2006, 04:26 PM   #2
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Very curious. So you're running just the stock fuel press reg? How's idle and low rpm throttle response?
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Old 11-05-2006, 04:55 PM   #3
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idle is the same as ever i have my aic blocked of so i hunts abit but atleast with the safc i can richen it up to where i can run the AC at stop lights this was a problem before. throttle response is unchanged on low rpm. yeah my 255 hp gives me a idle reading of 47-50 psi and the stock fpr is 1-1 rissing rate so by 15 psi i have 63-65 psi of fp.
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Old 11-05-2006, 04:57 PM   #4
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i forgot to mention this is all with out a timming control or an Intercooler.
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Old 11-05-2006, 06:26 PM   #5
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excellent.

hopefully my 460's will be here soon. glad to hear you got them working!
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Old 11-05-2006, 06:46 PM   #6
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pretty damn cool. that car must haul *** even though the small 16g is just waking up at 14psi. maybe try a bigger nozzle?
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Old 11-06-2006, 11:25 AM   #7
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hah, sweet man.
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Old 11-06-2006, 11:29 AM   #8
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how much is the work is the S-AFC doing? Good idea pulling the FMU, those injectors shouldn't need more than 50psi to do their job.
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Old 11-06-2006, 03:52 PM   #9
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You're tweaking to run higher than 14 psi?

If you hit another wall (like at 18 lbs ) think about an I/C? Just curious.

Getting 460s to work is sweet. Nice!!
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Old 11-06-2006, 03:57 PM   #10
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he should be fine with WI.
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Old 11-06-2006, 04:14 PM   #11
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the safc is at -23 at 800 and then i have it gradualy ramping up to 0 by 3200 and then up to +20 past 4500 as by there i have 13-14 psi. i will probably need to turn up my pump pressure or get a progressive from WOT. hopefully by spring i will have a dual feed fual rail thanks BRG that came in today os i have another project.
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Old 11-06-2006, 04:27 PM   #12
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i forgot to mention thanks guys if it hadnt been for this site and m.net i would still be a slow loud NA. but faith steped in and i seen andy running 330's with rx7 afm and ccpull runing 660's with his clocked ecu, and vafc, and 93mimi you all had a small part in my succes and saved me alot of headache. You guys are awsome.
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Old 11-06-2006, 04:30 PM   #13
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Not trying to tell him to use an I/C or anything, just curious as to whether it would help north of 14. Mag5 seems to be doing fine without!

I'm pulling for ya, The setup is plenty impressive as is
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Old 11-06-2006, 04:35 PM   #14
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i wanna see how far i can take it. then get an IC if need be and be more conservative with the WI by that time i hope to have a 6 speed and 3.9 rear and some DR's as well as a evo3 i tend to go to extremes on stuff when i get into it, i gues you could say it is abit of a weakness with me, pushing the limit.
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Old 11-06-2006, 04:38 PM   #15
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Without anymore tweaking I think I'm limited to about 10psi. Damn RX-7 AFM puts me so rich after 5.5k, although there is a tweak for that. Looks like I'll be squrting as soon as I do a torsen swap, it will make my life easier. At least for now I'll just focus on other things. Like wondering why I have no oil...
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Old 11-06-2006, 04:45 PM   #16
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Man, that's insane. It just goes to show how little I know about everything in general, and Turbo Miatas in particular.

That setup sounds like a ticking timebomb to me, but see the above about me not knowing jack.

What are you doing for timing?
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Old 11-06-2006, 04:52 PM   #17
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stock timming set at 10 degrees base. WI is just that effecient granted i run 93 octane but still. it has surprised me and far surpassed my expectations if i didnt mother my car like i do and wasnt so ---- about what gas and other fluids i put in it then i might have abit of a problem but i am very particular about what my B6 gets for fluids and try not to destroy my diff.
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Old 11-06-2006, 04:59 PM   #18
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timing isnt really an inssue when you have intake temps. like Magna has.
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Old 11-06-2006, 05:00 PM   #19
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yeah for some reason they stay way low one of these days i am gonna have ot measure them to get a definitive answer.
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Old 11-06-2006, 05:05 PM   #20
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That's just nuts. I'm impressed.

Respec'!
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