What boost and what figures...
Discussion
Herman Toothrot said:
1997 mk1 1.8 Eunos, un-opened engine, GT2860RS 10psi = 250bhp/220lbs on Surrey Rolling road.
Next time it visits it'll be running 17psi on a fully forged '95 block and '99 head with Integral stage 2 turbo cams. ???330bhp???
I bet thats lively! Is the mk2 1.8 engine the same as the mk1? I.e Am i safe running that kind of boost? (FMIC's, ECU's and 550cc injector'd)Next time it visits it'll be running 17psi on a fully forged '95 block and '99 head with Integral stage 2 turbo cams. ???330bhp???
FWIW 0.5bar (7psi), 203bhp 193lbft, but I was planning on upping it a bit to 0.6bar. Or maybe 0.7...
Mr MXT said:
piefacemate said:
12PSI on a '90 1.6, 206BHP / 208lb/ft.
Little disappointed mines so low
Thats a 1.6 though. The reason why I asked is that Steve @ 5 Speed thinks mine is very high!Little disappointed mines so low
Chaps it all depends on the size of the blower. A small GT25 may have needed 15psi to get to 250bhp whereas a GT30 may have got the same power at 7psi. Same goes for superchargers. Bigger ones shift more volume of compressed air.
As far as i'm aware the mk2 bottom end is the same as the mk1 so as long as your have the car mapped for more boost then it should be safe up to the 240lbs torque area... its hard to know what a correctly mapped car will pop at as most that go pop have not been correctly mapped.
I know I couldn't go over 11.7psi with the GT2860RS on my stock internally mk1 1.8 '97 engine as with my det listening device anymore boost caused det, amount of ignition that was needed to be backed off to compensate would have negated the increased power the boost caused so I never let it go over 11psi. Which I guess was about 255/260bhp, never got it dyno'd at that level.
Spec then was 550cc RC developments injectors, Fast Forward Superchargers Dual feed big bore fuel rail, 190lph Walbro fuel pump, Begi Size 2 Intercooler, GT2860RS, Link G3 Management & Toyota Coil on Plug Ignition.
As far as i'm aware the mk2 bottom end is the same as the mk1 so as long as your have the car mapped for more boost then it should be safe up to the 240lbs torque area... its hard to know what a correctly mapped car will pop at as most that go pop have not been correctly mapped.
I know I couldn't go over 11.7psi with the GT2860RS on my stock internally mk1 1.8 '97 engine as with my det listening device anymore boost caused det, amount of ignition that was needed to be backed off to compensate would have negated the increased power the boost caused so I never let it go over 11psi. Which I guess was about 255/260bhp, never got it dyno'd at that level.
Spec then was 550cc RC developments injectors, Fast Forward Superchargers Dual feed big bore fuel rail, 190lph Walbro fuel pump, Begi Size 2 Intercooler, GT2860RS, Link G3 Management & Toyota Coil on Plug Ignition.
Herman Toothrot said:
Chaps it all depends on the size of the blower. A small GT25 may have needed 15psi to get to 250bhp whereas a GT30 may have got the same power at 7psi. Same goes for superchargers. Bigger ones shift more volume of compressed air.
As far as i'm aware the mk2 bottom end is the same as the mk1 so as long as your have the car mapped for more boost then it should be safe up to the 240lbs torque area... its hard to know what a correctly mapped car will pop at as most that go pop have not been correctly mapped.
I know I couldn't go over 11.7psi with the GT2860RS on my stock internally mk1 1.8 '97 engine as with my det listening device anymore boost caused det, amount of ignition that was needed to be backed off to compensate would have negated the increased power the boost caused so I never let it go over 11psi. Which I guess was about 255/260bhp, never got it dyno'd at that level.
Spec then was 550cc RC developments injectors, Fast Forward Superchargers Dual feed big bore fuel rail, 190lph Walbro fuel pump, Begi Size 2 Intercooler, GT2860RS, Link G3 Management & Toyota Coil on Plug Ignition.
The size of the blower comment was what triggered my OP actually. I thought my current set up was a development of the origianl HKS top mount kit, which AFAIK came with a crappy small turbo. As far as i'm aware the mk2 bottom end is the same as the mk1 so as long as your have the car mapped for more boost then it should be safe up to the 240lbs torque area... its hard to know what a correctly mapped car will pop at as most that go pop have not been correctly mapped.
I know I couldn't go over 11.7psi with the GT2860RS on my stock internally mk1 1.8 '97 engine as with my det listening device anymore boost caused det, amount of ignition that was needed to be backed off to compensate would have negated the increased power the boost caused so I never let it go over 11psi. Which I guess was about 255/260bhp, never got it dyno'd at that level.
Spec then was 550cc RC developments injectors, Fast Forward Superchargers Dual feed big bore fuel rail, 190lph Walbro fuel pump, Begi Size 2 Intercooler, GT2860RS, Link G3 Management & Toyota Coil on Plug Ignition.
The figures suggest to me that maybe I've got a better turbo than I thought...
Thanks for the insight Hermann, I'd forgot that the amount of oxygen would be dictated by the volume, not just the pressure. Mustn't have been listening too hard in physics. That would also make sense for my setup as I believe I'm running a GT2560. Can anyone advise if it's obvious where Garrett mark the model on the turbo?
piefacemate said:
Stupid question to the Link ECU users, but where is the USB port located for hooking it up to a PC. I no longer have the control pad on mine.
I don't think the old FM Link has USB, think its serial. I've a three generations later non-FM ECU on mine that has a printer style USB connector on the side.Herman Toothrot said:
piefacemate said:
Stupid question to the Link ECU users, but where is the USB port located for hooking it up to a PC. I no longer have the control pad on mine.
I don't think the old FM Link has USB, think its serial. I've a three generations later non-FM ECU on mine that has a printer style USB connector on the side.
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