Another 370 LQ4 Question Thread*
Im a lil new to carbs and what not , but you say you don't wanna leave anything on the table but ur running a Vic Jr that shines way past 6000 rpms but only looking for a cam that goes to 6000? Like i said i don't know much about Carb setups so feel free to teach me something
If you want to not leave anything on the table why do you want a small cam? Pick your cam to do what you want power wise then pick your pistons to make the cam fit. Then slap that Vic Jr on top of it.
Haha i really have to watch what i say when i said not leaving power on the table i ment about the compression ratio and this is going to be 90 percent street driven so i dont want a massive cam.
I see the rpm peformer is rated to 6500 so if the cam reached max power at 6500 wouldent the intake be running out of breath ? I'm going to have a 7000revlimiter so i will be revving over 6500. If you guys could put some link to things to give me an idea that would be great.
I apologize for my ignorant comment just trying to describe things the best way ! Thanks alot btw guys
The cam i get i want to make peak power right at 6300 rpms
I see the rpm peformer is rated to 6500 so if the cam reached max power at 6500 wouldent the intake be running out of breath ? I'm going to have a 7000revlimiter so i will be revving over 6500. If you guys could put some link to things to give me an idea that would be great.
I apologize for my ignorant comment just trying to describe things the best way ! Thanks alot btw guys
The cam i get i want to make peak power right at 6300 rpms
I would go with the GMPP or the Vic Jr if it were me. Im going Vic Jr on mine unless I find a smokin deal on the GMPP. From my looking around.....and I am by NO means a cam expert the L92 heads will take a little more cam.
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Verdad Gallardo thats why if you put a know cam that works well with cathedral port heads, it wont work near as well in an engine with rectangle port heads.
Haha i really have to watch what i say when i said not leaving power on the table i ment about the compression ratio and this is going to be 90 percent street driven so i dont want a massive cam.
I see the rpm peformer is rated to 6500 so if the cam reached max power at 6500 wouldent the intake be running out of breath ? I'm going to have a 7000revlimiter so i will be revving over 6500. If you guys could put some link to things to give me an idea that would be great.
I apologize for my ignorant comment just trying to describe things the best way ! Thanks alot btw guys
The cam i get i want to make peak power right at 6300 rpms
I see the rpm peformer is rated to 6500 so if the cam reached max power at 6500 wouldent the intake be running out of breath ? I'm going to have a 7000revlimiter so i will be revving over 6500. If you guys could put some link to things to give me an idea that would be great.
I apologize for my ignorant comment just trying to describe things the best way ! Thanks alot btw guys
The cam i get i want to make peak power right at 6300 rpms
Yes but you can go bigger than say a cathedral cam on an apples to apples comparison before driveability takes a tole correct? Like I said im not a cam expert.....thats why there are custom cam guys!! LOL!
On Edelbrock's website the Performer RPM is rated 1500-6500 does that mean after 6500 it would fall on its face ?
The Vic JR is rated 3500-7500 - That's overkill but would be good in my operating range ?
So bigger cam with l92 means even more power
JK haha
The Vic JR is rated 3500-7500 - That's overkill but would be good in my operating range ?
So bigger cam with l92 means even more power
JK haha You want your cam to peak shortly above your intake. Just because it peaks, doesn't mean it's going to fall on it's face. It just means it's not going to perform as well up there. Since your looking at a cam that peaks around 6300 a 6500 intake that performs good down low and good up top. The victor Jr shines at 7k. If your not going above 7k, there is no reason to go with a victor Jr. Stick with the performer and leave some under the curve and some up top. It will help tremendously with drive ability.
the L92 heads, take LESS of a cam in general terms. with the large intake runner, and valve, you need less duration and less lift to move the same amout of air.
thats why if you put a know cam that works well with cathedral port heads, it wont work near as well in an engine with rectangle port heads.
thats why if you put a know cam that works well with cathedral port heads, it wont work near as well in an engine with rectangle port heads.
Thanks guys i am going custom cam for sure. I am going to run the peformer rpm ported to match heads and a 750cfm carb (will that be large enough) hopefully this will get me an amazing street machine! Buying of the engine will be delayed for a while now because i am purchasing the car this weekend and will have to restore it. 1970 camaro I will be making anew thread so you guys can see.
Yeah I agree with you guys, and I understand being on a budget. Sometimes though it's better to save your money and get the good stuff once. I have a lq9 (370) cu motor. I went with the custom JE pistons, pro billet Lunati rods, and some Trickflow 215 heads. I was running the Ms3 cam, but just switched to a custom cam. The old set up made 470hp on a mustang dyno. I'm hoping with the new cam and some more tuning I hit 500hp on motor. I'm also spraying a 300 shot at it lol. Just save your money and do it right. Good luck Bro
Yeah Man I totally know what you mean about saving up and doing things right but I'm on a budget more than most people. I am a Junior in highschool and work at a fast food place so theres not much income or time at hand.
