the difference a good tuner will make - Page 2 - Nissan 350Z Forum, Nissan 370Z Tech Forums
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post #11 of 32 (permalink) Old 02-05-2008, 01:53 PM
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Can't wait for the results. I have Nismo cams sitting on my desk waiting to be installed.

06 Touring 5AT
-UpRev Osirus - 3.9 Gears - Nismo Cams - Nismo Headers - B-Line test pipes - AAM Y-Pipe - Nismo Exhaust - Motordyne 5/16" spacer
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post #12 of 32 (permalink) Old 02-07-2008, 01:00 PM Thread Starter
 
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will do! i have heard of 15 whp and up to 25whp...i dont know what to expect. anyone have any insight?
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post #13 of 32 (permalink) Old 03-07-2008, 08:43 PM Thread Starter
 
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here is the the dyno from the tweeking of the first time. i have my cams in and put down 255/245 at the same dyno but i dont have that one yet. should be tuned next week
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post #14 of 32 (permalink) Old 03-08-2008, 02:39 AM
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Nice! I have been trying to find the time to install my cams for a while now. Can't wait for the results. I'll post my dyno sheets as soon as they're in.

06 Touring 5AT
-UpRev Osirus - 3.9 Gears - Nismo Cams - Nismo Headers - B-Line test pipes - AAM Y-Pipe - Nismo Exhaust - Motordyne 5/16" spacer
- JWT Pop Charger
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post #15 of 32 (permalink) Old 03-08-2008, 04:15 PM Thread Starter
 
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QUOTE (chrisaray @ Mar 8 2008, 01:39 AM)
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Nice! I have been trying to find the time to install my cams for a while now. Can't wait for the results. I'll post my dyno sheets as soon as they're in.


good luck. seems most ppl are afraid of it but it didnt take long and we didnt pull the motor, like some ppl told me they would have to do (Z1 in ga and forged i think).

that last dyno i posted was i/e/h/testpipes/spacer and tune.

i dynoed the car with all those mods plus cams WITH NO TUNE and it did 255/245. hopefully ill see a 20 plus hp gain of the tune since the afr is just as jacked as the first time it was untuned. should be sometime next week. keep your fingers crossed
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post #16 of 32 (permalink) Old 03-08-2008, 08:23 PM
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QUOTE (NoZYet @ Jan 6 2008, 05:49 PM)
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I could be very wrong, but those AFR's are very high. Not to say its necessarily a problem, but I'd definitely log any detonations, as a bad bunch of gas could spell the end of your engine. I've never seen someone recommend going much above 12:1AFR.

~Pat

You are thinking about Forced Inducted cars. I tuned turbocharged cars for around 11:0 - 11.5:1 afr.

My NA Z is tuned for 13:1- 13.5:1 on 94 octane.


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post #17 of 32 (permalink) Old 03-08-2008, 08:47 PM Thread Starter
 
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QUOTE (illz33 @ Mar 8 2008, 07:23 PM)
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You are thinking about Forced Inducted cars. I tuned turbocharged cars for around 11:0 - 11.5:1 afr.

My NA Z is tuned for 13:1- 13.5:1 on 94 octane.

tis true. when i was richer the car ran like crap. im thinking with cams in it it will want it a lil richer. any thoughts. i think icobra is around 11 ish.
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post #18 of 32 (permalink) Old 03-08-2008, 09:02 PM
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QUOTE (baby_ruiner @ Mar 8 2008, 06:47 PM)
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tis true. when i was richer the car ran like crap. im thinking with cams in it it will want it a lil richer. any thoughts. i think icobra is around 11 ish.

Yep, you are going to have to add a little fuel up top. Which cams are you using?

You would still want to hover around 12.5:1 - 13.5:1 ... depending on your poison for an NA car.


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post #19 of 32 (permalink) Old 03-08-2008, 09:21 PM Thread Starter
 
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QUOTE (illz33 @ Mar 8 2008, 07:02 PM)
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Yep, you are going to have to add a little fuel up top. Which cams are you using?

You would still want to hover around 12.5:1 - 13.5:1 ... depending on your poison for an NA car.

im running tomei 264s with a 10.2 lift (about .410ish") well i really want to keep my tq which is around mid 260s before the cams. i have seen a few de's put down 280whp (full bolton no cams) with my same tq and always wondered what robbed me of the hp (my peak was 268 i think). when i put that cams in i did have to replace the spark plugs and some other misc parts (totaling almost a grand grr!) so i wonder if that robbed me some power as well. any ideas?
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post #20 of 32 (permalink) Old 03-08-2008, 09:27 PM
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QUOTE (baby_ruiner @ Mar 8 2008, 08:21 PM)
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im running tomei 264s with a 10.2 lift (about .410ish") well i really want to keep my tq which is around mid 260s before the cams. i have seen a few de's put down 280whp (full bolton no cams) with my same tq and always wondered what robbed me of the hp (my peak was 268 i think). when i put that cams in i did have to replace the spark plugs and some other misc parts (totaling almost a grand grr!) so i wonder if that robbed me some power as well. any ideas?
Those 264 Tomei's are good stuff. Would be my choice (or 272) for cams with the non revup VQ.

Your hp suffers up top because of the "normal" intake restrictions (plenum, etc) of the non revup. Those cams will CERTAINLY open that can of worms up.

Did you do a plenum spacer of some sorts? That helps the inbalance on the non revup.


I would imagine you'll top 280whp.. But, don't worry if you don't, it'll still pull like lightning with excellent throttle response. Dynos are just rollers that put out inaccurate numbers from dyno to dyno.. Don't put much stock in them. As long as you our happy that is all that matters. And that you have more power than before.. and can use it more often.


Did you touch the rear diff yet? LSD or 3.9 + R&P? THAT, with cams is fire... pure fire.


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