Homemade kit on 99. AFR/Timing
02-25-2012, 02:30 PM
#1
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Join Date: Sep 2011
Location: Sweden, Örebro
Posts: 34
Total Cats: 3
Homemade kit on 99. AFR/Timing
My first post on the forum, If my spelling is like ---- its because im from Sweden 
Have some questions regarding timeing and AFR targets on the 99 miata.
I have a homebuilt kit width following spec:
99 Stock engi.
Custom mainfold.
TD04-15T turbo (from saab 9000 aero)
2.5" exhaust width no cat.
425cc injectors
Diypnp
Currently running 7-8psi.
questions are:
how much boost can the 99 engi take?
Are my spark and fule table ok?
pics on build: http://www.garaget.org/?car=247712 (Swedish site)
Have some questions regarding timeing and AFR targets on the 99 miata.
I have a homebuilt kit width following spec:
99 Stock engi.
Custom mainfold.
TD04-15T turbo (from saab 9000 aero)
2.5" exhaust width no cat.
425cc injectors
Diypnp
Currently running 7-8psi.
questions are:
how much boost can the 99 engi take?
Are my spark and fule table ok?
pics on build: http://www.garaget.org/?car=247712 (Swedish site)
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02-27-2012, 01:08 AM
#2
I'm Miserable!
Join Date: Jun 2009
Location: albany, ga
Posts: 1,866
Total Cats: 0
boost is the measured restriction in the intake.
Basically you are limited by TQ the engine can handle and the fuel type. on the engine side
Check around for a compressor map to see how far you can push your turbo.
To me your AFR target table, 2nd picture takes fuel out too soon.
Fuel table is the one called VE table using speed density, Alpha N, etc
Basically you are limited by TQ the engine can handle and the fuel type. on the engine side
Check around for a compressor map to see how far you can push your turbo.
To me your AFR target table, 2nd picture takes fuel out too soon.
Fuel table is the one called VE table using speed density, Alpha N, etc
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