I am going to be running it with stage II 6.0 ported heads and ati twin intercooled supercharger. What would be the best cam for this? Its an m6 with headers and true duals with cats and ending in billets.

I have a 231/237 cam on 112 lsa but I think the lsa is bad for the boost.

I just need the best possible cam for the setup, I want to get the max hp/tq out of my cam and still use it on the street with some kind of manners.

 

whats up jerickss funny i'm on the same boat as you. i aslo have the that tsp which is more for nitrous. everyone seems to be using a 224 cam for street. speedinc has a good blower cam SC1 224/232 .581 .595 114. what blower you running?

 

Matters where you want the power range.We've run a 230/234 .600/.600 on 114 cam on a 346.The car pulled to 7000rpm without dropping but the torque peek was at 5800rpm.

 

That is a very difficult question and most of us are really not qualified to answer it. It is always important to get a good match between heads and cam. For best results, if you already have the heads, you should contact whoever did the head work (they will know the flow characteristics of their product better than anyone), tell them that you are switching from N2O to FI and need specs for a new cam. If you haven't got the heads yet (this is better), then you might find a vendor that sells a heads and cam combination that works good together, but I don't know of any that are FI specific, or (this is best) contact a head guru with a proven reputation for FI and let him pick the cam and port the heads to match your specific application. You will first need to know where you want to make power, how high you are willing to rev to make that power, how much boost you plan to run, and whether low rpm torque is important. If drag racing is what you want to do, you will likely want an upper rpm cam with a narrow power band, however bottom end torque will suffer. From what you stated above, you will want a strong mid-range cam. An off the shelf SC cam may or may not work well with an off the shelf set of heads, but to get the most out of your setup you should always match the cam with the heads, and vice versa. Sorry I can't say, "Sure, go over to this sponser and get their xxx cam, it should work with this other sponsor's stage y heads, especially if you are going to run z lbs of boost", but, IMO, this is something that requires a lot of homework and research to get right. If you can find a head/cam vendor that offers a matched combination that is FI specific, that would be a good place to start. The cam Moparnos suggested looks pretty good, I like the duration numbers, however the lift numbers, (primarily the exhaust) would need to be matched up to the flow characteristics of the heads; not just cfm, but port and valve size. The lsa looks good, but a 115 might produce a little broader power band as well as a better idle and throttle response. I apologize this is so long, but your question could not be answered adequately in a couple of sentences, and you said you wanted the best possible cam for your setup. Unfortunately, only someone with intimate knowledge of the flow characteristics of the heads can say with any real accuracy.

Good luck,
Tom

 

If you are stock bottom end, I would decide how high you plan to buzz the engine.

I suggest up to 6500/6600 and pick the cam for that power band.

 

Max effort, I let the head porter select the cam this time I wanted more but I ended up with this 258/263 lift is around .700 lsa 112.

Be interesting to see running a Procharger F3R on this @ 20psi

 

Sheez, that is a big cam! What is your internal configuration? What SC and pulleys are you running?

 

GTBMad is building a 7-8 second setup.

 

Using a 6 litre block,O ringed, resin filled, set of custom made blower pistons (with spares ).Upsizing head studs to 1/2 inch.

We have 3 different pulley sizes to play with.


All going well 4/5 weeks I can give you all full build details and power figures.

Just to give you some idea of what we are chasing my fuel system is using 150 lb injectors and a Barry Grant 2000 hp pump.

 

Dude.....that is just sick!
What is the bore, stroke, and static compression ratio? That cam still seems a little big for that head configuration, but I will leave that up to the porter. They use voodoo, you know. Head porting is a form of black magic.

Looking forward to see how this progresses.

Good luck,
Tom