Power upgrade options on pump fuel only

PotatoKing

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Hello,

What are my options to increase engine power without running Ethanol or Methanol, as both are not readily available in my area.

Currently I got Akra exhaust with sport DP(200 cell cat), Eventuri intake and is re-mapped. Pushing about 400 WHP. Where I can go from here, and how much Power can I possibly extract, assuming there is no budget constraints.

The current fuel I use is 98RON

To my limit understanding, right now my options are Turbo, intake manifold and high pressure fuel pump.

For the turbo I’m currently looking at:
Doc race
Full race
Pure
I see both Doc race and full race use a top mount rather than the oem mounting position, what is the advantage of this? And from the pictures I have seen, there seemed to be no heat shield over the intake. Does it mean if you go for a top mount then you have to upgrade the intake manifold as well?

Any input would be much appreciated
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BMWAF

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The current fuel I use is 98RON
I'm Hopeful for a simple exhaust/intake/fuel map to get a little more out of her on 98RON without spending stupid money. The Supra is plenty quick but a little more beans on the cheap wouldn't go astray!
 

humblemoto

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I also won’t touch meth / ethanol and wonder what the limits of FBO + turbo on 93 are with and without port injection.
When does 93 on the HPFP/injectors quit? 600whp?
 
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PotatoKing

PotatoKing

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I'm Hopeful for a simple exhaust/intake/fuel map to get a little more out of her on 98RON without spending stupid money. The Supra is plenty quick but a little more beans on the cheap wouldn't go astray!
I’m already up from 355 hp stock to 460 hp with exhaust/intake/map. I would like to see how far I can push it. Given what I have already done to the car already, not fully sending it seem too big of a waste.
 
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PotatoKing

PotatoKing

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Map 1 on 93: 489whp / 438wtq
Map 1 on E70: 635whp / 582wtq
Map 2 on 93: 500+ / ???
Map 2 on E70: 742 whp / 684 wtq
Map 3 on E70: 826 whp / 768 wtq
I saw on @Mimosa ‘s build that on 93(98 RON) is getting close to 500whp. Is that near the highest it can go with FBO?
 

Cptnslo

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I was going to say you should be closer to 450 to 460 whp with a good tune and a downpipe on 93 oct which I believe is equivalent to 98 Ron.
 

zrk

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I saw on @Mimosa ‘s build that on 93(98 RON) is getting close to 500whp. Is that near the highest it can go with FBO?
I'd consider his build slightly more than FBO, considering he has a big ass turbo in there.
 

NitroYellowMKV

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If you are a 2 port go with the CTS kit, as we speak my clients car is on the Dyno, and on 93 made a little over 500 wheel, on e30 we’re at 550 and 600, biggest limiting factor is we’re running out fuel but for the money and what you want, it is your best option, way more efficient then pure and. For the money it’s a no brainer. Have a few left at $2399 shipped!
 

razorlab

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If you are a 2 port go with the CTS kit, as we speak my clients car is on the Dyno, and on 93 made a little over 500 wheel, on e30 we’re at 550 and 600, biggest limiting factor is we’re running out fuel but for the money and what you want, it is your best option, way more efficient then pure and. For the money it’s a no brainer. Have a few left at $2399 shipped!
Would *love* to see the dyno chart for the 93 pump tune!
 

Thraxbert

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Do you consider fuel pump upgrades as "FBO" or no?
 

humblemoto

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Do you consider fuel pump upgrades as "FBO" or no?
IMO kinda, oem+ type pump solutions I would consider FBO. Is it the pump or the injectors that reach duty cycle/flow limits first? (Is there value it a pump upgrade for us on 93 w/o port injection?)
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