Shimming the Wastegate - Page 2

Reeves · 09-14-2006, 08:20 PM

Im not worried about fuel cut since I don't plan on going any more than 11 or 12 psi for quite a long while, if ever. Don't push what too hard? The psi or the engine? And what is an FCD?

Im going to stop at 11-12 psi, full exhaust, intake, electric fan, and upper IC pipe + BoV. Of course ill do the safc thing and maybe FCD (once I figure out what it is =D) and alot of other minor things. Don't really want to go with bigger injectors and lexus AFM for awhile though. I should be okay, right? Once im done with those mods im going to be working on my suspension as currently my car sways like a boat.

Supra2NR · 09-15-2006, 02:20 AM

Quote:

The fuel system will be fine untill you hit fuel cut(11-12+, dependant on ambient conditions), and the stock ct26 can take about 12 or 13 psi.

thats what i really wanted to know
i jus dont wanna run way too lean and have the same result the second time

but i'll probly stick to boostin at about 11 psi then so it'll be safe

Isphius · 09-15-2006, 03:35 AM

youll hit fuel cut at 11 psi on hot days.

Reeves · 09-15-2006, 06:55 AM

Quote:

Originally Posted by Isphius

youll hit fuel cut at 11 psi on hot days.

Doesn't it depend on each individual car? Like doesnt it vary from supra to supra a tiny bit?

Isphius · 09-15-2006, 05:24 PM

Yes, it varies by car, temperature, humidity, how hot the car is, how dirty your intercooler is, etc. But at 11 psi, if its pretty warm (>80) pretty good chance that youll hit fuel cut.

Spudboy · 09-15-2006, 05:31 PM

Reeves...I'm going the other way. Did the suspension first, will go for more power next so I'll trade ideas and experience.

I just installed TEIN Flex coilovers. Had the car on track after TEIN last week. HUGE improvement in body roll and handling. These TEIN are very adjustable so you can really dial in your set-up. (I will be putting on proper rubber before next track day, probably Toyo RA1's but open to suggestions)

If you get the TEIN let me know before you install and I'll share a few tips.

Also...while I was on track my car got very very hot after about 6 to 8 hot laps. (it was about 95 out) I have a recent new head gasket so I don't expect leaks there. Any suggestions anyone?

1988 Turbo Supra. No engine mods. 69k original miles.

Supra2NR · 09-16-2006, 02:18 AM

Quote:

youll hit fuel cut at 11 psi on hot days.

ok then , jus 10 psi during the summertime

what about the wintertime, when its 20 degrees outside?

Isphius · 09-16-2006, 08:28 AM

i would still say keep it under 11 till you get some elctronics upgrades. FCD, lex/550s, etc. whatever you want!

burton51m · 09-16-2006, 09:29 PM

Quote:

Originally Posted by Spudboy

1988 Turbo Supra. No engine mods. 69k original miles.

this car looks really good!

i think your car heating up is normal in the hot 95d weather.

Isphius · 09-16-2006, 10:25 PM

I agree lol. Its getting hot cause your running laps in the hot desert lol. The car does look nice too. I give you props for that!

09-15-2006, 03:35 AM	#13
Isphius 500whp yet? Join Date: Nov 2005 Location: Long branch, NJ Posts: 1,006	youll hit fuel cut at 11 psi on hot days. __________________ Yay the supra assistant is gone!!! WEEE!!

09-15-2006, 05:24 PM	#15
Isphius 500whp yet? Join Date: Nov 2005 Location: Long branch, NJ Posts: 1,006	Yes, it varies by car, temperature, humidity, how hot the car is, how dirty your intercooler is, etc. But at 11 psi, if its pretty warm (>80) pretty good chance that youll hit fuel cut. __________________ Yay the supra assistant is gone!!! WEEE!!

09-16-2006, 08:28 AM	#18
Isphius 500whp yet? Join Date: Nov 2005 Location: Long branch, NJ Posts: 1,006	i would still say keep it under 11 till you get some elctronics upgrades. FCD, lex/550s, etc. whatever you want! __________________ Yay the supra assistant is gone!!! WEEE!!

09-16-2006, 10:25 PM	#20
Isphius 500whp yet? Join Date: Nov 2005 Location: Long branch, NJ Posts: 1,006	I agree lol. Its getting hot cause your running laps in the hot desert lol. The car does look nice too. I give you props for that! __________________ Yay the supra assistant is gone!!! WEEE!!

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09-14-2006, 08:20 PM	#11
Reeves 3" Exhaust Join Date: Sep 2005 Location: San Diego Posts: 98	Im not worried about fuel cut since I don't plan on going any more than 11 or 12 psi for quite a long while, if ever. Don't push what too hard? The psi or the engine? And what is an FCD? Im going to stop at 11-12 psi, full exhaust, intake, electric fan, and upper IC pipe + BoV. Of course ill do the safc thing and maybe FCD (once I figure out what it is =D) and alot of other minor things. Don't really want to go with bigger injectors and lexus AFM for awhile though. I should be okay, right? Once im done with those mods im going to be working on my suspension as currently my car sways like a boat.

09-15-2006, 05:31 PM	#16
Spudboy 3" Exhaust Join Date: May 2006 Location: So. Cal Mountains Posts: 178	Reeves...I'm going the other way. Did the suspension first, will go for more power next so I'll trade ideas and experience. I just installed TEIN Flex coilovers. Had the car on track after TEIN last week. HUGE improvement in body roll and handling. These TEIN are very adjustable so you can really dial in your set-up. (I will be putting on proper rubber before next track day, probably Toyo RA1's but open to suggestions) If you get the TEIN let me know before you install and I'll share a few tips. Also...while I was on track my car got very very hot after about 6 to 8 hot laps. (it was about 95 out) I have a recent new head gasket so I don't expect leaks there. Any suggestions anyone? 1988 Turbo Supra. No engine mods. 69k original miles.