i have a gsr motor obd2 in a 2000 hatch and i just put some aem cam gears on and i want to know what is the best pre set for my application this is a list of things i have done
alluminum intake manifold str
cam gears and vafc coming
exhaust
how should i tune my came gears help please

 

0-0

Don't screw with them till you put the car on the dyno. IMO

 

but were can i go on the cam gears with my set up to make some power till i get to the dyno some degrees please

 

just set 0-0..and go on the dyno to fing your power..

 

if you retard/advance both cams the same amount, you'll shift your powerband. You're not really making power. If anything you're making power accomodate your driving style.

Now to make more power, I think you increase overlap, by a small amount to promote cylinder scavenging on the exhaust stroke... I think...

STR sheet metal IM??? You're going turbo right??
pics?
-PHiZ

 

yes going turbo so were should i set them for know since im still all motor

 

there is no correct answer to that as every engine is different, but typically all motor will advance the intake cam and retard the exhaust cam +2/-1 ?? +1/-1 anything like that

 

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Originally posted by Michael Delaney @ team-integra

3. Cam Gear Tune:

The 2 most dangerous situations are if you retard the intake or exhaust cam gear too much because these are cases when you decrease piston to valve clearance and risk piston to valve contact. Most people say do not push past 6-8 degrees unless you have measured clearances and know that it is safe to proceed past this point. Having said this though many of the top power makers I know have gone to 10 degrees or more (knowing and measuring ahead of time that it was safe to do so).

a) If you want more midrange gains than upper rpm gains: Widen the lobe separation angle (reduce the overlap). Simultaneously retard the intake cam gear and advance the exhaust cam gear in 2 degrees increments for each setting (2 dyno pulls) until you no longer get any more gains. I would not go past 6-8 degrees retard unless you have measured piston to valve clearance (clay tested) and know for sure it is safe to go past these points.

b) If you want more upper rpm power than midrange: Tighten the LSA (increase the overlap). Advance the intake cam gear in 2 degree increments until you no longer get any upper rpm gains. Now retard the exhaust cam gear in 2 degree increments. You have to be careful here because too much exhaust cam gear retard can lead to piston to exhaust valve contact. I would stop at 6 degrees advance, if you are unsure of your sclearances. Again you are doing at least 2 successive pulls for each setting and then stopping to allow the engine to cool down a bit.

You want to find the best overlap for the highest gain in the rpm area you want. Stop when you see no further gains.
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man awsome right up i will try that onmy gsr i heard that on the intake advance 1 degree and exhaust -1degree what you think