[fstb13ser]

wasup my car is undergoing engine complete buildup because im a dumbass anyway i need to know if i can benefit from the three inch cat back, currently i have a stainless steel header and 2.5" cat back w/ HKS canister and all the bolt on parts now the engine is geting cams and port and polish head should i upgrade or just leave it like it is.

any coments will help thanks

 

[myoung]

Not unless you have a turbo in there.. Stick with the 2.5" you already have. Which is already rather large for a Naturally aspirated SR20..

 

[bahearn]

If you have cams with some big overlap, 3" can help IF it's 3" all the way.

 

[fstb13ser]

well i got the jwt c1 with the works dont know if there to big

sorry i dont hve pics dont think is worthy yet :thumbup:

 

[fstb13ser]

oh and also what is the right fuel presure for the sr cause i eard from a friend that heard it from his friend that he turned the psi up when he got his cai and got alot more power mid to top end dunno

 

[myoung]

oh and also what is the right fuel presure for the sr cause i eard from a friend that heard it from his friend that he turned the psi up when he got his cai and got alot more power mid to top end dunno

gotta love that tech talk... a friend of a friend heard....lol



Your fuel pressure is fine. You own a Nissan...not a Honda :thumbup:

 

[fstb13ser]

:thumbup: lol ahhh the infamous v-tec :thumbdwn: lol

 

[nismo87se]

If you plan on getting cams then going with a 3in cat + exhaust will help. I have dyno results showings that even S3 cams make more power with a 3in exhaust vs my previous 2.25in setup.

 

[fstb13ser]

If you plan on getting cams then going with a 3in cat + exhaust will help. I have dyno results showings that even S3 cams make more power with a 3in exhaust vs my previous 2.25in setup.

dammm can u post it i really need to get the most out of it thankd for the info

 

[chimmike]

if you really want to get the most out of it, run JWT C3 cams with valvesprings, greddy rocker arm stoppers, JWT cam gears, hotshot Gen VI header, hotshot CAI, 3" cat back, and you need to spend a bit of time tuning the cams to find the right cam timing.

 

[fstb13ser]

well i have the c1's and i really have to get the arm stopers, don't know the real difference between the c1 and the c3's ohhhh don't have the cam gears do u think i should have invested in the c3's???

 

[chimmike]

if you have C1s they'll be okay, if oyu have the money, the C3's will be better. definitely get the cam gears. Hopefully Mike K will see this thread and chime in, he knows a lot more than I do about it.

 

[Zac]

C3 is same price as C1 for the SR20. At least browsing B15 parts, that is what I have seen. Just figured I'de throw that out. Then again, I guess it is more cost wise as I am gonna guess the C1s dont need any real ajustments or other parts but the C3s do and probably need gears and springs.

http://www.mossyperformance.com/model/struct.php?model_id=63&cat_id=35

 

[fstb13ser]

yep jwt recomended the springs and retainers and i also was looking into the toda cam set but the price was the cause i went with jwt

 

[nizzan4u2nv]

C3 is same price as C1 for the SR20. At least browsing B15 parts, that is what I have seen. Just figured I'de throw that out. Then again, I guess it is more cost wise as I am gonna guess the C1s dont need any real ajustments or other parts but the C3s do and probably need gears and springs.

http://www.mossyperformance.com/model/struct.php?model_id=63&cat_id=35

All c-series cams need springs and retainers. S series can be used straight up.

 

[Sixways]

3"????
I've always been told that anything over 2" on an N/A will just hurt your bottom end power with little gain up top. Is that just for a stock motor?

 

[chimmike]

well, the SR20 with appropriate mods can take full advantage of 3" exhaust.

 

[fstb13ser]

do you think mine are apropiate?

 

[Sixways]

ahh got ya, because it has more displacement then a 1.6 it has more waste. I'm dumb.