Got my st185 celica woo hoo! tuning advice please

Q&A regarding engines, turbos, and intercoolers and power upgrades

Got my st185 celica woo hoo! tuning advice please

Postby Matty-st185 » Fri Dec 13, 2013 1:00 pm

Ok guys I got her today 1993 st185 wide body
I wanna commence tuning
So I need yes or no do or waste of time or not possible answers please
From those of you with experience

So the only mod on the car is a gutted cat and
Blitz nut spec exhaust system and st205 brakes
Fitted

I'd like 350 bhp but would settle for a reliable 300bhp

This is what I have in mind ...

Front mount intercooler ?
St205 injectors ?
St205 cams ?
St205 ct20b turbo ?
Fuel cut defender ?
Updated fuel pump ?
Boost controller ? 15-17psi
Down pipe / dump pipe ?
I saw using the tvis intake is better ?
Is changing the manifold / header essential?

What do you guys think ?
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1993 JDM Celica ST185Rally GT Four widebody
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Re: Got my st185 celica woo hoo! tuning advice please

Postby lumbercis » Fri Dec 13, 2013 3:26 pm

This assumes an mr2 but I'd start here first: http://www.mrcontrols.com/primers/power.htm

It should cover most of the questions from your list.

J
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Re: Got my st185 celica woo hoo! tuning advice please

Postby Matty-st185 » Fri Dec 13, 2013 11:24 pm

Great some input thank you I'll have a read ..
Thank you :)
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Re: Got my st185 celica woo hoo! tuning advice please

Postby monkey8oi » Sat Dec 14, 2013 7:54 am

Get sard 800cc injectors, gt3071 turbo, standalone ecu and U'll get there.. With the mods u listed, u won't break 300.. You're basically just upgrading to a stock gen3 with your mod list..
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Re: Got my st185 celica woo hoo! tuning advice please

Postby Matty-st185 » Sat Dec 14, 2013 11:30 am

Really ? The write up above says otherwise ?
That setup you mentioned sounds badass and
Sounds 400bhp + with ease and the internal mods needed to
Handle it or am I wrong ?
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Re: Got my st185 celica woo hoo! tuning advice please

Postby monkey8oi » Sat Dec 14, 2013 4:37 pm

I have a gen3, sard 800cc injectors, walbro 255 fuel pump, 3" dp/mp, Borg Warner s252 turbo, hydra nemesis ecu, on e85 and just dyno'd at 318awhp.. And 267awhp on 91oct.. I could've broken 350 if I had the gt3071.. But that with e85.. So e85 or 91oct is also a big factor..
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Re: Got my st185 celica woo hoo! tuning advice please

Postby gtfourever » Sat Dec 14, 2013 6:25 pm

This is my set up 328AWHP 307TQ

3" exhaust
HKS 1.6mm head gasket
HKS 264 camshafts
AEM EMS
Front mount intercooler
Wolfkatz Fuel rail + 980 injectors
Manual Boost Controller
Supra TT Fuel Pump
Greddy TD06 20G Turbo
Tuned on E85 (could not break 265AWHP on 91 octain)
Along with Fully built internals
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Re: Got my st185 celica woo hoo! tuning advice please

Postby psipwrd » Sun Dec 29, 2013 3:56 pm

monkey8oi wrote:I have a gen3, sard 800cc injectors, walbro 255 fuel pump, 3" dp/mp, Borg Warner s252 turbo, hydra nemesis ecu, on e85 and just dyno'd at 318awhp.. And 267awhp on 91oct.. I could've broken 350 if I had the gt3071.. But that with e85.. So e85 or 91oct is also a big factor..


gtfourever wrote:This is my set up 328AWHP 307TQ

3" exhaust
HKS 1.6mm head gasket
HKS 264 camshafts
AEM EMS
Front mount intercooler
Wolfkatz Fuel rail + 980 injectors
Manual Boost Controller
Supra TT Fuel Pump
Greddy TD06 20G Turbo
Tuned on E85 (could not break 265AWHP on 91 octain)
Along with Fully built internals


Monkey8oi and gtfourever, if you don't mind me asking, how much boost were you running on 91 and E85? Also, what's your compression ratio? My mod list is similar (still in the works) and my goal is 380awhp on pump...pretty optimistic at AZ temps...
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Re: Got my st185 celica woo hoo! tuning advice please

Postby celica_gtx » Tue Dec 31, 2013 5:29 am

Always wanted to put these goodies on but never wanted to fork over the cash. This becomes that for it to do this n plus I need kind of thing. W those numbers I'd wated em to be higher but I'm sure a quick pull would change my mind..
I think in the long run I'm just gunna go stand alone n play w it


I'd like to know psi aswell. N octane to achieve those top # I ran 110 on mine stock and went from 7psi to 14 w no changes
transformation has BEGUN!!!
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Re: Got my st185 celica woo hoo! tuning advice please

Postby monkey8oi » Sat Jan 04, 2014 8:23 pm

19psi on 91oct.. 22psi on e85..
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Re: Got my st185 celica woo hoo! tuning advice please

Postby C-dubb » Sun Feb 09, 2014 8:15 am

psipwrd wrote:
monkey8oi wrote:I have a gen3, sard 800cc injectors, walbro 255 fuel pump, 3" dp/mp, Borg Warner s252 turbo, hydra nemesis ecu, on e85 and just dyno'd at 318awhp.. And 267awhp on 91oct.. I could've broken 350 if I had the gt3071.. But that with e85.. So e85 or 91oct is also a big factor..


gtfourever wrote:This is my set up 328AWHP 307TQ

3" exhaust
HKS 1.6mm head gasket
HKS 264 camshafts
AEM EMS
Front mount intercooler
Wolfkatz Fuel rail + 980 injectors
Manual Boost Controller
Supra TT Fuel Pump
Greddy TD06 20G Turbo
Tuned on E85 (could not break 265AWHP on 91 octain)
Along with Fully built internals


Monkey8oi and gtfourever, if you don't mind me asking, how much boost were you running on 91 and E85? Also, what's your compression ratio? My mod list is similar (still in the works) and my goal is 380awhp on pump...pretty optimistic at AZ temps...


wondering why you guys were getting much lower numbers on 91 octane? I have similar setup AEM EMS, FMIC, GSC 268 cams, 3" exhaust, t3/t4 50 trim turbo external wg, walbro 255 pump, Although I am running 1000cc top feed injectors. I made 300awhp on 93 octane at 15psi only 48% duty cycle on the injectors. This was on a mustang dyno. This is where the ignition cut out though... that was the only limiting factor for that number.
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Re: Got my st185 celica woo hoo! tuning advice please

Postby monkey8oi » Sun Feb 09, 2014 3:50 pm

C-dubb wrote:
psipwrd wrote:
monkey8oi wrote:I have a gen3, sard 800cc injectors, walbro 255 fuel pump, 3" dp/mp, Borg Warner s252 turbo, hydra nemesis ecu, on e85 and just dyno'd at 318awhp.. And 267awhp on 91oct.. I could've broken 350 if I had the gt3071.. But that with e85.. So e85 or 91oct is also a big factor..


gtfourever wrote:This is my set up 328AWHP 307TQ

3" exhaust
HKS 1.6mm head gasket
HKS 264 camshafts
AEM EMS
Front mount intercooler
Wolfkatz Fuel rail + 980 injectors
Manual Boost Controller
Supra TT Fuel Pump
Greddy TD06 20G Turbo
Tuned on E85 (could not break 265AWHP on 91 octain)
Along with Fully built internals


Monkey8oi and gtfourever, if you don't mind me asking, how much boost were you running on 91 and E85? Also, what's your compression ratio? My mod list is similar (still in the works) and my goal is 380awhp on pump...pretty optimistic at AZ temps...


wondering why you guys were getting much lower numbers on 91 octane? I have similar setup AEM EMS, FMIC, GSC 268 cams, 3" exhaust, t3/t4 50 trim turbo external wg, walbro 255 pump, Although I am running 1000cc top feed injectors. I made 300awhp on 93 octane at 15psi only 48% duty cycle on the injectors. This was on a mustang dyno. This is where the ignition cut out though... that was the only limiting factor for that number.


my biggest restriction at the time of tuning was the exhaust system.. i had a 3" dp & mp only, and the rest was the stock 2.5" back end. Cams are also a big factor in the difference in setup. i have since upgraded to a full 3" exhaust system and the gsc 268 cams & cam gears are next in line, then back to the dyno.
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Re: Got my st185 celica woo hoo! tuning advice please

Postby C-dubb » Mon Feb 10, 2014 10:27 am

Before I upgraded to cams and 3" I was at 290whp @22psi...a completely different dynamic. Above 300whp I am having huge ignition problems, the factory ignition won't support that much power. My plugs are capped insanely tight. Have you guys upgraded ignition systems? I just upgraded to MSD 6a digital ignition controller, blaster 3 coil and magnecor plug wires. I'd say ignition upgrade above 300whp is a must, at least from my experience. My numbers are ons mustang dyno which@ 300whp roughly translates to 350whp on a dynojet if you want to make a relative comparison.
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Re: Got my st185 celica woo hoo! tuning advice please

Postby C-dubb » Mon Feb 10, 2014 11:56 am

Sorry not trying to jack your thread OP, but there are a few people here that seem to be near similar power goals you are looking for so hopefully it's helpful. I would say most of the mods they have mentioned, with emphasis on a standalone EMS, and larger injectors than 550cc pobably no less that 800

Don't know what others have experienced with ogniton but mine is just garbage won't go any further.

Kinda pissed me off when my tuner told me I should ha e gone with a 4g63 bc parts are more readily available and the ignition system isn't as weak.
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Re: Got my st185 celica woo hoo! tuning advice please

Postby Matty-st185 » Thu Apr 24, 2014 9:49 pm

So my celica is back on the road after a 4month Rest with mods thrown at it

Got that berk tech ceramic downpipe with flexi and wide band
Hks fcd
Boost computer
Wide band
Catch can
Hks cold plugs
New ct26 with stainless steel turbine
Samco
1mm metal head gasket
Used new standard head bolts
New rocker cover gaskets and bolts

Few other bits fired it up ! And it was like she was never even off the road
Got new discs and pads all round and put the carlos sainz callipers on instead
Of the st205 conversion that wasn't done properly
Gotta tune now and set boost update 2mo
With pics


Target 1.bar 14-15psi

Laters I'm off to bed.
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