Cam question for N2o?
05-06-2011, 11:33 AM
#1
Cam question for N2o? I bought a LQ4 and I'm going to port the heads and put a 200 wet shot on it.
Question is, what cam spec should I go with?
I was thinking something in the 240's/250's range with about 640's lift on a 111 or 112?
Also it's going to bored .030 over with a -4 dish maybe?
Any info would be awesome!
Thanks.
Question is, what cam spec should I go with?
I was thinking something in the 240's/250's range with about 640's lift on a 111 or 112?
Also it's going to bored .030 over with a -4 dish maybe?
Any info would be awesome!
Thanks.
Last edited by tmoney223; 05-06-2011 at 02:00 PM.
05-06-2011, 03:14 PM
#4
With that much duration, a 114 will still be choppy.
While you are at it you might want to cut the heads. They have big chambers and cutting them will help bump the compression if you are going to go with that much cam.
If it were me, I would cut the heads and put an MS3 in it and then spray it.
While you are at it you might want to cut the heads. They have big chambers and cutting them will help bump the compression if you are going to go with that much cam.
If it were me, I would cut the heads and put an MS3 in it and then spray it.
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05-07-2011, 07:38 AM
#9
He also has AFR heads compared to you trying to use 317 heads. If all you are looking for is a choppy idle get an MS3 or 4 or get a Trex and be done.Call Geoff at EPS or get in touch with PatrickG on here and get them to spec you something. Since you have a 6 spd you do realize you will need no less than 4.30 gears to run a cam like that?
05-07-2011, 09:39 AM
#11
I tried to get ahold of patric and he hasn't got back to me.
Why would I need no less then 4.30's?
Yeah I was thinking 112 would be too much lol..
And this is all in the works right now. I'm not really saying that's what I'm going to get
Thanks for all the input.
Also I don't want a off the shelf cam I want a custom one. Don't you think that would be better?
Those are some good numbers man
Why would I need no less then 4.30's?
Yeah I was thinking 112 would be too much lol..
And this is all in the works right now. I'm not really saying that's what I'm going to get
Thanks for all the input.
Also I don't want a off the shelf cam I want a custom one. Don't you think that would be better?
Those are some good numbers man
You need to talk to somebody to spec you a cam and not just throw numbers in the air. The cam that was just mentioned above by GMMillwright is in a 402 ci motor. From what I can tell you are only going 370 ci, which would automatically make the cam choppier in your car as it is already on a 114. Then you want to take his cam and get it changed to a 112? He also has AFR heads compared to you trying to use 317 heads. If all you are looking for is a choppy idle get an MS3 or 4 or get a Trex and be done.
Call Geoff at EPS or get in touch with PatrickG on here and get them to spec you something. Since you have a 6 spd you do realize you will need no less than 4.30 gears to run a cam like that?
He also has AFR heads compared to you trying to use 317 heads. If all you are looking for is a choppy idle get an MS3 or 4 or get a Trex and be done.Call Geoff at EPS or get in touch with PatrickG on here and get them to spec you something. Since you have a 6 spd you do realize you will need no less than 4.30 gears to run a cam like that?
05-07-2011, 02:01 PM
#12
First lets back up, if you are not going to spray 250 or bigger then you don't need something custom. Its your motor you do what you want, any vendor will be more than glad to spec you something and take your money but more than likely you will have a 4-6 week wait for something custom when instead you could just get an off the shelf grind.
You will need 430 gears because the car will have no bottom end grunt to get the car off the line plus you need to keep a big cam in its powerband and using deep gears is what will keep it there. If you still have the ten bolt then you need to scrap all this and get you a rear. Unless, you plan on keeping street tires on this car.
You will need 430 gears because the car will have no bottom end grunt to get the car off the line plus you need to keep a big cam in its powerband and using deep gears is what will keep it there. If you still have the ten bolt then you need to scrap all this and get you a rear. Unless, you plan on keeping street tires on this car.
05-08-2011, 12:36 PM
#16
I am thinking about going a little smaller on my cam to be truthful with you. Here is a video its a guerra motorsports 243/251 .624/.624 lift on a 112 LSA crappy 241 heads with mild port and a LQ9 408 with 11.6 CR. Its just a lot of cam if you plan on running it on the street. Yes it can be done but i would think a cam with a little more torque and better idea would be better suited.
http://www.youtube.com/watch?v=KjcwvqAQRZw
http://www.youtube.com/watch?v=KjcwvqAQRZw
Last edited by cbr600rx7; 05-08-2011 at 12:42 PM.
05-09-2011, 10:40 AM
#18
Thats a cold start after sitting about a week. It does smooth out a good bit once it warms up but if your talking about a big cam on a 111-112 LSA thats what you are going to get. If you go to a 114 LSA on that big of a cam its still going to sound like a big cam but be a hell of a lot easier to tune. Also if its a street/track car a more torque friendly cam can be a lot more fun to drive daily. Bigger is not always better.
Last edited by cbr600rx7; 05-09-2011 at 10:46 AM.
