What cam with a supercharger

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djfalcon10
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What cam with a supercharger

Post #1 by djfalcon10 » Thu Jan 18, 2018 9:44 pm

I am looking for a recommendation on a camshaft. I a have a 300 with a paxton novi gss with 7 psi. What cam company do you guys like?

pmuller9
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Re: What cam with a supercharger

Post #2 by pmuller9 » Fri Jan 19, 2018 9:55 am

djfalcon10 wrote:I am looking for a recommendation on a camshaft. I a have a 300 with a paxton novi gss with 7 psi. What cam company do you guys like?

Head work?
Compression ratio?
Headers?

djfalcon10
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Re: What cam with a supercharger

Post #3 by djfalcon10 » Fri Jan 19, 2018 10:19 am

9.5:1 comp.
Headers yes
Port and polish head 2.02/1.60

pmuller9
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Location: Columbus, Indiana

Re: What cam with a supercharger

Post #4 by pmuller9 » Fri Jan 19, 2018 11:53 pm

The last cam was a Comp solid lifter, Duration @.050 256*/256*, advertised Dur.290*/294*

You are still going to need a long advertised intake duration (290* or more) because of the 9.5:1 static compression ratio but the .050" duration should be less.
The tune-up for both air fuel ratio and ignition timing would be much easier to dial in and make more power with less compression.
I'm assuming pump gas?

Something around 236* .050" duration with a 112* LSA would put peak torque (without boost) in the 3600 to 3800 range.
The 112* LSA is for low boost application and it also wouldn't hurt if the exhaust duration was a few degrees more than the intake duration.
If you use a hydraulic lifter cam the advertised duration can be over 290* with the shorter .050" duration.
Keep valve lifts in the .550" range.

Use a 3500 stall converter.

I like working with Crower Cams.
They have given us the best service plus they have thousands of master lobes to work with.

Is the supercharger still geared for 7 psi at 6000 rpm?

djfalcon10
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Re: What cam with a supercharger

Post #5 by djfalcon10 » Sat Jan 20, 2018 12:33 pm

Yes it is. Got a new set of custom forged blower pistons from ross. It will be 9.5:1. Others have said to go to clay smith cams. just want to see what supercharger/turbo guys cams they like to go with.

Stonebreaker
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Re: What cam with a supercharger

Post #6 by Stonebreaker » Thu Mar 08, 2018 1:54 pm

Hey Falcon, just out of curiosity, what is the intended purpose of this build? Street, autocross, drag?

djfalcon10
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Re: What cam with a supercharger

Post #7 by djfalcon10 » Sun Apr 01, 2018 6:40 pm

Its a street car. But i take it to the drag strip twice a year. Got a new cam for it. From clay smith cams. The spec on it follows
.575/.575 lift
306/306 dur
264@.050
107/113 cl
Now waiting on the balancing on my motor to be done

pmuller9
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Location: Columbus, Indiana

Re: What cam with a supercharger

Post #8 by pmuller9 » Tue Jun 05, 2018 8:54 pm

Updates?
Is the engine running to your expectations?

djfalcon10
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Re: What cam with a supercharger

Post #9 by djfalcon10 » Mon Dec 10, 2018 8:40 pm

Yes . And it sounds sweet. Got it running about 2 months ago. I will try to post a video on here in a little bit
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sdiesel
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Location: NW Oregon,Buxton currently

Re: What cam with a supercharger

Post #10 by sdiesel » Thu Dec 13, 2018 10:19 pm

I love superchargers.
they make all kinda sense.
but,
if an engine never sees 6000 rpm.
I won't get full boost unless i regear it.
but can they work for low rpm?
I aint so sure..

my dear old daddy, put a Paxton of some kind on, now get this, a viper engine that he had stuffed into a 57 chev.
said it put him in the 700 hp range.
I have never ridden with him, the man is a menace to society when behind the wheel
a long love affair with the 300 six.
my lastest and final fling is a fresh 300 in an 88 ford f350 dually 4X flatbed

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