Low dyno numbers

LawlZ1211 · 02-13-2018, 10:50 AM

Hey guys so I've been going though a mess. I don't know why I'm running low numbers as low as 243hp and 230tq.
With injen cai/ z1 tp motordyne y pipe and tomie tip.
I've changed spark plugs, no codes are thrown, all sensors are working.
I looking on going back to stock exhaust then going back on the
Dyno sheets:
http://s349.photobucket.com/user/Law...Lucas/library/

Jayhovah · 02-13-2018, 10:54 AM

Dynojet or some other kind? Before you go putting a bunch of work into finding Carmen SanDiego - find out if this particular dyno is a heartbreaker... was the shop also confused at the low output?

Also might want to get a compression/healthcheck on the motor before you start swapping parts out.

LawlZ1211 · 02-13-2018, 11:20 AM

Compression was 200-210 across. Both dyno jets too

Buzzkill247 · 02-17-2018, 12:32 AM

CAI, TP, Y-Pipe and single port... If I had to take a shot in the dark I'd say you have a flow issue. Maybe a bad tune - or a tune is needed because of modified flow now. Just spitballin here

echoshotz · 02-17-2018, 12:42 AM

You can massage dyno readings to say whatever you want. Different types of dynos and different correction factors.... Its all up in the air.

If you had a base dyno done I'd just compare that to the final numbers. The change in power will be more telling. Also sometimes it's not about numbers but whether or not the car is running better after a tune.

02-13-2018, 10:50 AM	#1 (permalink)
LawlZ1211 Base Member Join Date: Mar 2014 Location: Pembroke Pines Fl Posts: 10 Drives: 2012 Gun Metal Rep Power: 11	Low dyno numbers Hey guys so I've been going though a mess. I don't know why I'm running low numbers as low as 243hp and 230tq. With injen cai/ z1 tp motordyne y pipe and tomie tip. I've changed spark plugs, no codes are thrown, all sensors are working. I looking on going back to stock exhaust then going back on the Dyno sheets: http://s349.photobucket.com/user/Law...Lucas/library/ Last edited by LawlZ1211; 02-13-2018 at 10:52 AM. Reason: Photo

02-17-2018, 12:42 AM	#5 (permalink)
echoshotz Base Member Join Date: May 2015 Location: Knoxville, TN Posts: 218 Drives: 14 Nismo Rep Power: 73	You can massage dyno readings to say whatever you want. Different types of dynos and different correction factors.... Its all up in the air. If you had a base dyno done I'd just compare that to the final numbers. The change in power will be more telling. Also sometimes it's not about numbers but whether or not the car is running better after a tune. Juan@Fontana and Buzzkill247 like this. __________________ 2014 Solid Red Nismo 370z Motordyne\|Synergy Composites\|Stance Suspension\|Recaro\|RJM\|EVOR

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02-13-2018, 11:20 AM	#3 (permalink)
LawlZ1211 Base Member Join Date: Mar 2014 Location: Pembroke Pines Fl Posts: 10 Drives: 2012 Gun Metal Rep Power: 11	Compression was 200-210 across. Both dyno jets too

02-17-2018, 12:32 AM	#4 (permalink)
Buzzkill247 Base Member Join Date: Jan 2018 Location: FL Age: 49 Posts: 91 Drives: 16 370z KAD GunM 7AT Rep Power: 663	CAI, TP, Y-Pipe and single port... If I had to take a shot in the dark I'd say you have a flow issue. Maybe a bad tune - or a tune is needed because of modified flow now. Just spitballin here