Personally if its a DD I'd say those cams are too much, for a DD I'd go stage 1 or 2 but if its a weekend car or track car then go for it.

Is the second cam a blower cam? If not I think I'd pass on it, the blower cams are different because of the pressurized intake.

 

The second ones are a blower cam yes, we'll everyone said it would be fine on a dd to go with the 3.5s and those are almost identical to the second choice I posted I IIRC

---------- Post added at 10:52 PM ---------- Previous post was at 10:51 PM ----------

Soon it will be a weekend car, probably by the time the motor goes I a MD it's all together

 

Those are both pretty aggressive cams if that's what you want.

They will sound nasty (in the good way) at idle and I would say you want at least 3.73 gears. Slow starts will take some clutch slipping.

I had a cam this nasty in a daily driver stick car for a while and it worked out but you had to know how to baby it at slow speeds.

 

I got that gear too so hopefully I can make it work without too much hassle, I want a good sound and I also want big power gains, I'm going to call them tomorrow and see what they say about how hard I can spin them and what the operating range is

 

Do you have notched pistons?

 

Anything can be daily driven. It is just a matter of how much you want to put up with. My car is a dialy driver and when I do get cams it will be the CMS Stage 1 blower grinds. I want the least amount of driveability issues/bucking in lower rpms.

This doesn't really sound daily driver friendly lol

 

Looking at the given specs comp Stg. 2's will be have a more "peaky" power-band and probably lope more at idle. Don't think you'll run into problems with either on a daily driver as long as the tune is spot on. A big n/a with less then 110lsa would be a different story. I'll probably go with something similar to the CMS Stage 3 Blower, but with a wider lsa (117-118) to make the powerband a bit broader and if I ever go turbo a wider lsa is typically good on a turbo setup.

 

Mine are 246/255 115lsa with no driveability issues.

 

Awesome alright thanks for the input, yes pistons are notched so their should be no clearence issues and I'm having one of the best mustang tuners in the state do it, he actually recently had run a very similar setup on his own car and was gear to do it when I talked to him

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The seller said that comp got/gets their specs from Mmr or something like that so he said their actually Mmr stage 2 blower cams ground by comp, anyone ever heard that?

 

I'm not trying to sound biased, but that is WAY too big for your combo. I've made close to 900rwhp with less cam than that. Plus it will want to make peak power at damn near 8000 rpm.....long after your heads have given up. I know you what it to sound good and all, but you also want it to work properly as well.

 

That's what I was thinking but heads will come later and I don't want to have to buy cams twice

 

+1 for 520rwhp that is alot of cam. If in the future you're looking to make over 700rwhp then I guess go big now, but for what you're looking for a Stage 2.5 is probably the biggest you should go with.

 

Big let later for sure, that's why I wanted something larger now so I'm not doing g it again later

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I'm hoping for atleast 520.. I'd be pleased with more lol but I'm not sure what it will make

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Big rpm would be nice as well, what do you think the operating range and Max rpm are on that cam

 

Which cam are you talking about? If you didn't know 10" Terror is Jim from CMS so he can answer any questions for you. What rpm do you plan on revving to? You'll need a bigger blower before you need a bigger cam.

 

Plans are in this order to max that blower out than do heads than go turbo. I was talking about the cam I'm wanting, I would like to see as close to 7k as I can.

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Yea I was aware, I'd hate to do it twice but if I have the money maybe the 3.5s are better idea?

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Unless that blower will support 700, maybe just consider changing to a t or ysi? I like the Centri but the turbo guys see to make big power pretty easy

 

If you go turbo later then you're going to have to do it twice anyway. A turbo cam is slightly different than a blower cam. You can still use the blower cam, but it won't be optimal. If in the future you do not plan on revving higher than 7k rpm then stage 3's would probably be the best choice. I think the blower will be holding you back no matter what cam you choose.

 

10" (Jim), I'm also looking for a blower cam for a planned 4.6 stroker build with a KB and TFS heads, 9.5 to 1 compression, I'm hoping to also hit around 500 rwhp but on pump gas so its a pretty similar app to the OP.

Which of your cams would be the best fit for this engine?

 

Alright, there's another one locally too that's less aggressive but I think it might be too little, the specs are 536/540 lift And 228/235 duration at .050, those are "bullet racing cams" brand new and I believe he said he would take 400 for those too, you think that would limit me in the future?

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Those have a 114 LSA as well

 

Those are the CMS Stage 2.5 blower cams. Would work good for your current setup and when you decide to max this blower out. For 700+rwhp, if that is your end goal with a bigger blower, then the stage 3's. CMS 2v Stage 2.5 Blower Cams - Cushman Motorsports

Let Jim provide a little more advise before you pull the trigger.

 

Is it worth the extra 250$ to go with the 3s now? Those are brand new guy said he paid like almost 700$ for them, he wants 400, I want It to work the best it can and I don't want to be too limited, I won't have fuel for 700hp or heads for a while so since this blower doesn't make big numbers apparently and is made for high rpm I'd like to be able to see atleast that 520 and high rpm with those cams and good boost

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The more I read the more it seems it would be good to go a little smaller with the 2.5s I don't like the sound near as much as the 3s but if I need to see em later on I'll just got to 3.5s and sell these, I hope they can get me to 500+ with this blower and the added comp of the new Shortblock