Superchargers And Cams

[Heavy H.P.]

Does anyone know of any good cams there are that would go good with a stock bottom end stock head 5.7 with a ProCharger on it? I know that the cam has to have a low dynamic compression, but what would be a decent cam that would have some nice gains on stock heads? Are these cams simualar to nitrous cams in the since that they have big exhaust duration and smaller intake duration? For example 218/228. Is anyone in the upper 400rwhp with a cam only 5.7 with the P1 SC like 450whp plus?
Im just tryin to get a better understanding for the whole forced induction deal.

Another example
A car that has catback exhaust long tube headers, 2800 stall, decent cam with a P1SC what kind of power would that car make?

[Super T]

I'd call PPP or Inertia and pick their brains.

[hemidup]

Does anyone know of any good cams there are that would go good with a stock bottom end stock head 5.7 with a ProCharger on it? I know that the cam has to have a low dynamic compression, but what would be a decent cam that would have some nice gains on stock heads? Are these cams simualar to nitrous cams in the since that they have big exhaust duration and smaller intake duration? For example 218/228. Is anyone in the upper 400rwhp with a cam only 5.7 with the P1 SC like 450whp plus?
Im just tryin to get a better understanding for the whole forced induction deal.

Another example
A car that has catback exhaust long tube headers, 2800 stall, decent cam with a P1SC what kind of power would that car make?

Last week you seen what a FRI Hellfire and a blower can do.

[Heavy H.P.]

Last week you seen what a FRI Hellfire and a blower can do.

Hell yeah looks like we have a winner!

[HULK]

Id like to know some more info about this as well.

I know heads cam and supercharger can be done on a stock motor now, but to me it just seems like you are pushing the limits a bit too much.

Id love to do a custom grind blower cam to go along with my supercharger, but Ive been told that the valvetrain needs to be upgraded as well, so you might as well just do heads while you are at it.

Can you upgrade the valvetrain and keep stock heads with the custom cam?

Any pros/cons to doing this?

Id like a little bit more power that a cam could provide.... plus, lope is always cool too. Any thoughts/input here?

-Pat

[Heavy H.P.]

I dont see why it cant be done that way. Its not like we have bad flowing heads on our cars.

But hopefully someone else can clear up this issue.

[4DRHTRD]

Playing with overlap settings will allow you to increase the boost w/o detonation issues. I could see 40 to 50 WHP from a custom cam on stock heads and a S/C.
Time will tell... wink wink

[hemidup]

I dont see why it cant be done that way. Its not like we have bad flowing heads on our cars.

But hopefully someone else can clear up this issue.

The stock heads flow amazing right from the get go. A stock factory 5.7 head can support 525 crank hp and the stock 6.1 can support 600. In choosing a blower cam, keep your duration's under 220 and your LSA's between 114-116. The first year with my blower setup, I ran a stock 6.1 cam, stock intake manifold and ran 12.60's all day. The second year, I switched over to a Mopar Performance intake and a FRI Hellfire cam and ran 12.00's. This past year as you seen in St. Louis, I gave it a 30/30 shot of NO2 to get my big pig of a 4x4 truck out of the hole and ran 11.80's.

[hemidup]

Id like to know some more info about this as well.

I know heads cam and supercharger can be done on a stock motor now, but to me it just seems like you are pushing the limits a bit too much.

Id love to do a custom grind blower cam to go along with my supercharger, but Ive been told that the valvetrain needs to be upgraded as well, so you might as well just do heads while you are at it.

Can you upgrade the valvetrain and keep stock heads with the custom cam?

Any pros/cons to doing this?

Id like a little bit more power that a cam could provide.... plus, lope is always cool too. Any thoughts/input here?

-Pat

In my opinion, lope and superchargers really don't go hand in hand, but I've seen many people do it. Your question about upgrading the valvetrain....Are you talking about upgrading the valve springs on stock head with stock valves?

[HemiPowered5700]

Id like to know some more info about this as well.

I know heads cam and supercharger can be done on a stock motor now, but to me it just seems like you are pushing the limits a bit too much.

Id love to do a custom grind blower cam to go along with my supercharger, but Ive been told that the valvetrain needs to be upgraded as well, so you might as well just do heads while you are at it.

Can you upgrade the valvetrain and keep stock heads with the custom cam?

Any pros/cons to doing this?

Id like a little bit more power that a cam could provide.... plus, lope is always cool too. Any thoughts/input here?

-Pat

Pat, what you gotta do is get a cam ground that has a very tight LSA (what makes a cam lope or not)...something in the 115-117 range.

Regardless of the cam you get made, it is very highly recommended to upgrade the valve train, and yes it is possible to just do that...you don't need to buy heads. What I suggest since the heads have to come off anyway, have a machine shop port and polish your stock heads.

Its all about flow numbers of the heads too....there's a lot that goes into grinding a cam. And then, you might as well put a higher stall TC in there...that also plays into how you should grind the cam.

I have a headache.

[HULK]

Ok well Im really not lookin to get crazy here. I just want to add a cam to the equation and only upgrade what I have to from there. Port and polishing my heads would have an end result much similar to just adding new "perfromance" heads.... no? Not looking to do that..... dont wanna push the bottom end too far. This is a daily driver after all.

And now I know what alot of people are thinking right now..... OK, dude says its a daily driver---performance or reliability.... pick one or the other buddy.

Well, Im definitely gonna side with reliability.

I already need to get my car officially tuned, so before doing that, I thought it might be a good idea to get a few more tricks up my sleeve before going in to finally get it all over with.... and cams seem to provide fantastic results when done right.

So.... someone pick me out a cam! Lol.... "hellfire" sounds pretty sweet. Pick me out a cam and let me know what else Im gonna need to make it work..... springs, other hardware, etc. etc. etc.

I need to put together a shopping list so I know what kind of money Im lookin at here, then add the cost of the tune on from there.

-Pat

[hemidup]

Ok well Im really not lookin to get crazy here. I just want to add a cam to the equation and only upgrade what I have to from there. Port and polishing my heads would have an end result much similar to just adding new "perfromance" heads.... no? Not looking to do that..... dont wanna push the bottom end too far. This is a daily driver after all.

And now I know what alot of people are thinking right now..... OK, dude says its a daily driver---performance or reliability.... pick one or the other buddy.

Well, Im definitely gonna side with reliability.

I already need to get my car officially tuned, so before doing that, I thought it might be a good idea to get a few more tricks up my sleeve before going in to finally get it all over with.... and cams seem to provide fantastic results when done right.

So.... someone pick me out a cam! Lol.... "hellfire" sounds pretty sweet. Pick me out a cam and let me know what else Im gonna need to make it work..... springs, other hardware, etc. etc. etc.

I need to put together a shopping list so I know what kind of money Im lookin at here, then add the cost of the tune on from there.

-Pat

The Hellfire uses a 6.1 cam base circle which is smaller than the 5.7. I would suggest upgrading to Manley 6.1 pushrods, Manley Nextex series valve springs and your choice of Manley steel or titanium retainers. With the price of titanium going up, I don't know if the lightweight retainer is worth the hp:$$ ratio anymore.

[1fastsedan]

Ok well Im really not lookin to get crazy here. I just want to add a cam to the equation and only upgrade what I have to from there. Port and polishing my heads would have an end result much similar to just adding new "perfromance" heads.... no? Not looking to do that..... dont wanna push the bottom end too far. This is a daily driver after all.

And now I know what alot of people are thinking right now..... OK, dude says its a daily driver---performance or reliability.... pick one or the other buddy.

Well, Im definitely gonna side with reliability.

I already need to get my car officially tuned, so before doing that, I thought it might be a good idea to get a few more tricks up my sleeve before going in to finally get it all over with.... and cams seem to provide fantastic results when done right.

So.... someone pick me out a cam! Lol.... "hellfire" sounds pretty sweet. Pick me out a cam and let me know what else Im gonna need to make it work..... springs, other hardware, etc. etc. etc.

I need to put together a shopping list so I know what kind of money Im lookin at here, then add the cost of the tune on from there.

-Pat

With a good tune, you won't be pushing the motor too far. I have Inertia heads and an Inertia cam that we spec'd anticipating boost. My car is a Vortech R&D car and currently makes 7.5lbs of boost safely on the stock bottom end. If you're that worried about it, add a meth injection kit for safety.

[ET1970]

If you are looking for a custom ground cam that is computer friendly then i would suggest that you talk with Arrington Engines. These guys have the equipment to grind the best cams out there. I purchased their custom ground cam for my 426 stroker and supercharger. The results was excellent smooth power. The idle is a little more noticable. But the biggest gain was how smooth the power comes in. before with the stock set up the power came on so fast that it was like an on off switch causing me to hit the rev-limiter constantly. It made me work over time trying to handle the throttle. with Arrington's Cam and a tune created between arrington and Diablo there was a 50hp increase and now i don't need the traction control. I can easily take the motor right up to the readline with out flying past hitting the rev-limiter. and the tires will spin only when i want them to. the cahnge was like night and day.

[Redfox0099]

There was a 6.1L with heads/Cam here in Dallas with a P1 head unit on it making 6 PSI....lasted about 2 months and now he lost the top of cylinder #6.

I would forge the bottom end of whatever you plan on doing.