Low 13s in A KA-T - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

Travis240 · 03-05-2003, 10:22 AM

Hello,
I am In the process of building a KA-T single cam motor, and I have several questions:
1.)What hp level do I need to hit to run in the 13.4-13.1 range?
2.)How hard is it to pass (tailpipe only ) emissions with a standalone?
3.) How likely am I to blow up my motor if I've never tuned a standalone before?
This and any other insights on turboing the single cam motor would be appreciated.
Thank You,
Travis

*Jeff240sx* · 03-05-2003, 01:26 PM

Probably 250rwhp and a good launch should get the low-mid 13s.
It depends on how it's tuned, and if it's a cold start or not. Put another catalytic convertor on your car before testing if you're that worried.
Yup. That's why dyno shops exist. That's also why they charge a lot of money. Cuz they don't (or at least shouldn't) blow motors tuning stand-alones.

As far as insight... search and goto my website below. There is some install (of ka24de) turbo pics, and a writeup.
-Jeff

*AceInHole* · 03-05-2003, 02:09 PM

as far as insights: the only high HP single cam KA turbo I've heard of had major overheating problems at the start... not sure if it's a block, head, or general cooling system design that causes it. he (Adam Hutchinson on FA) runs a fluidyne radiator now, though.

TrueSlide · 03-05-2003, 02:51 PM

To pass emissions, I heard, if you have some way to adjust fuel, you can lean it out for a few seconds to pass(kinda risky). KA-T should be easy in the low 13s, ever seen SDS SOHC KA-T, 13.06 on street tires, no LSD, no internals @ around 10 PSI.

http://www.sdsefi.com/features/240sx.htm

03-05-2003, 10:22 AM	#1
Travis240 Join Date: Jun 2002 Posts: 21 Trader Rating: (0) Feedback Score: 0 reviews	Low 13s in A KA-T Hello, I am In the process of building a KA-T single cam motor, and I have several questions: 1.)What hp level do I need to hit to run in the 13.4-13.1 range? 2.)How hard is it to pass (tailpipe only ) emissions with a standalone? 3.) How likely am I to blow up my motor if I've never tuned a standalone before? This and any other insights on turboing the single cam motor would be appreciated. Thank You, Travis

03-05-2003, 01:26 PM	#2
Jeff240sx I hate you too... Join Date: Jul 2001 Location: Tampa, FL Age: 42 Posts: 5,828 Trader Rating: (0) Rides Gallery: Jeff240sx Feedback Score: 0 reviews	Probably 250rwhp and a good launch should get the low-mid 13s. It depends on how it's tuned, and if it's a cold start or not. Put another catalytic convertor on your car before testing if you're that worried. Yup. That's why dyno shops exist. That's also why they charge a lot of money. Cuz they don't (or at least shouldn't) blow motors tuning stand-alones. As far as insight... search and goto my website below. There is some install (of ka24de) turbo pics, and a writeup. -Jeff __________________ Whatup?

03-05-2003, 02:09 PM	#3
AceInHole Autox Technician Join Date: Dec 2001 Location: New Haven, CT Age: 44 Posts: 3,961 Trader Rating: (0) Rides Gallery: AceInHole Feedback Score: 0 reviews	as far as insights: the only high HP single cam KA turbo I've heard of had major overheating problems at the start... not sure if it's a block, head, or general cooling system design that causes it. he (Adam Hutchinson on FA) runs a fluidyne radiator now, though. __________________

03-05-2003, 02:51 PM	#4
TrueSlide Leaky Injector Join Date: Feb 2003 Location: Virginia Age: 41 Posts: 51 Trader Rating: (0) Feedback Score: 0 reviews	To pass emissions, I heard, if you have some way to adjust fuel, you can lean it out for a few seconds to pass(kinda risky). KA-T should be easy in the low 13s, ever seen SDS SOHC KA-T, 13.06 on street tires, no LSD, no internals @ around 10 PSI. http://www.sdsefi.com/features/240sx.htm __________________ Real men drive s13s. #240sx on EFnet