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Stock Gtr Afm


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ill be running my stock air flow meters to get tuned with my gt2860r5s on next friday.....

whats is the pros and cons of tuning pass the stock afm?

after reading this


Garret T04Z .70 front 1 rear peaked at 21 psi

engine 40 thou over size

JE pistons, stock rods and crank.

ACL metal headgasket, race bearings

ARP rod bolts, head stud kit

N1 oil and water pump

tomei poncams 260 9.15

stock cam gears and AFM's

800cc SARD injectors on stock rail

3.5inch exhaust with magic catalytic converter

044 pump with stock fuel pressure regulator

split fire coils

403 awkw 541 awhp

comes on hard at 4- 4500RPM but starts pulling about 3000RPM

this set up uses stock air flow meters correct?

i would of thought if it would of been bad to use the stock afm, it would of been with this set up?

or is it differnt with a big single set up?

i just want to know what i can tune it to and still be safe?

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Depends, stock afm will goto around 320 rwkw work of air flow, i still had a load cell left after 280 rwkw. You can always load the last cell with fuel, its not ideal but you can make a lot of power beyond what the afm can read. Saying that i dont like to do it and went to nismo items

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ok thats what i thought..... so you be tuning of afr prety much?

looks like ill just tune it then to they are close to maxing out... until i can get some bigger ones......

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