Single Turbo RX-7's Questions about all aspects of single turbo setups.

Someone critque my setup so i dont F anything up

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Old 05-03-06, 07:40 AM
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Thumbs up Someone critque my setup so i dont F anything up

the TII is getting revamped now that i dont have to worry about emissions, and the whole stock turbo dying thing.


the turbo is a To4b (s-3 trim if i remember correctly, 1.15 A/R (streetported motor).
i am having my uncle help me fab a manifold for it. i have a 40mm wastegate floating around as well.

i am going to run my Greddy emanage i have lying around, with all the nick nack stuff for timing and the like. Seeing this is alittle bit of a cost vs. me having money deal, to help with the fuel demands, i am having my 2 950's and 4 550s injectors sent out for rebuilding, the emenage and control addition injectors, so i am going to take advantage of this. partially because i dont like extremely large injectors as they tend to stumble and make for crappy idle. This way i can have the 950s as the secondaries, 550 primaries and 550s acting as a median.

I have a walbro 255lph, but im not sure if it can sustain the fuel requirements. this is something i would like to know. i am already using an aeromotive FPR and plan on using its extra inlet for the extra injectors.

also, i have a intercooler from a Conquest, but it almost seems smallish for this setup. should i get something a little bigger?


and obiously, i having tuned professionally by my friends uncle's shop. hes has been doing it for years, and if he has done ferraris, i think i can trust him...(oh and he has million dollar insurance if messes up)

Last edited by Whizbang; 05-03-06 at 08:09 AM.
Old 05-03-06, 09:30 PM
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oh...correction. its a v-1/v-2 NOT the s-3.



also, im very very seriously considering using a liquid / air intercooler.

i have a spare oil cooler or two floating around i can use for the heat exchangers. getting some water pump would be easy too. resoiuver...woot. another overflow tank from an old 7.

advantages? alot less plumbing running everywhere, good low speed cooling, >100 percent effiecent at the track with ice/alcohol.


sure i know that its more complicated, but its worth a shot.

Last edited by Whizbang; 05-03-06 at 09:50 PM.
Old 05-04-06, 12:02 AM
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I'm not sure of the e-manage, but it seems your fuel is appropriate. I have 850cc primaries, 1600cc's secondarys, large streetport and my idle is solid. I do have a hair of stumbling if I go really light throttle from 3300-4000, but rarely go light light throttle


How much power are you planning on making? Walbro should be good up to 350rwhp. Higher I am not sure of. Maybe a Koyo radiator would help too. Jacob's igniton amp as well would be nice, but not totally necessary.
Old 05-04-06, 11:56 AM
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the car basically wont crank over with some sort of ignition box.
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