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Old 12-30-2012, 07:25 AM
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Is this cam ok with 416 heads?

So I got a 305 with 416 heads for cheap (yes I know a 305, it's a mud truck so it's not getting a lot if $$ in it). With it I got a new cam, lifters, stock rockers, timing chain and flex plate and moroso valve covers

I have no idea if the heads have any work done but I don't believe so. This is the came he gave me, but I'm thinking it may be too much lift

Crane Cams 10008 Crane Cams Energizer Cam & Lifter Kits

Can I run this cam? I'll run a 2500 converter with 4.10's.

Also I may have more info on it later, not sure if it has flat tops. About to do a leakdown test after church.

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Last edited by Brandon H.; 12-30-2012 at 07:30 AM.
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Old 12-30-2012, 07:35 AM
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For stock 416's that's a little big. I'm sure F'bird will get on here and do his sermon on the porting the 416's mount, and if you have the time to do it it may not be a bad idea since it's basically free (just time consuming).

BUT for stock heads you may wan to step down to the 274h06 or equivalent cam, you can buy that cam for about $70 too. For either cam getting a set of headers and free flowing exhaust is a must.
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Old 12-30-2012, 08:12 AM
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What size tires will you be running .this is the cam I use in my 355 mud truck it may be a little to big for a 305 .. Crane Cams 10005 Crane Cams Energizer Cam & Lifter Kits
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Old 12-30-2012, 08:21 AM
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What size tires will you be running .this is the cam I use in my 355 mud truck it may be a little to big for a 305 .. Crane Cams 10005 Crane Cams Energizer Cam & Lifter Kits
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Old 12-30-2012, 08:28 AM
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I'm running 33's, it's a 79 K5 with 4" lift
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Old 12-30-2012, 03:33 PM
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Brandon, let's do some math.

A. 2500 engine rpm's with a 4.10 gear and 33" tire will produce 60 mph vehicle speed.
B. 2500 engine rpm's with a 3.43 gear and 28" tire will produce 60 mph vehicle speed.

From this, hopefully you can see that you will need more gear, particularly with a small displacement motor like the 305. I don't think anyone would recommend a Crane 10008 cam to you if you had a 3.43 gear and 28 inch tire. They would tell you to get more gear. Actually, with what you have now, a stock cam or just over stock would work best in my opinion.
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Old 12-30-2012, 05:14 PM
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Get some 5.38's or 5.57 gears to get the best out of a 305 with that cam and 33" tires.
Needs 10:1 cr and high perf valve springs. a 305 will really want to rev with that cam in it.
You'd want at least a 10" "3500stall" which will actually realize aprox 3000 stall when behind a 305CID motor.

And yup the whole thing will work a whole lot better if you improve the port flow on your heads by home porting them.

A "2500 stall" and 4.10's will not be optimium at all for this cam in a 305 w 33" tires.

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Old 12-30-2012, 09:55 PM
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Thanks guys for the feedback, I guess I'm going a different route. I had a feeling that's too much cam.

How about this little guy?
Summit Racing® Camshafts SUM-1102 - SummitRacing.com

I was after something with a little loap, even if it hurt low end torque. Like the price tag on that cam. Unless someone could recommend something else. I'm getting a new torque converter anyways too so maybe something with a lower stall.
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Old 12-30-2012, 10:18 PM
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Quote:
Originally Posted by Brandon H. View Post
I was after something with a little loap, even if it hurt low end torque.
There's your problem.
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Old 12-30-2012, 10:35 PM
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Quote:
Originally Posted by techinspector1 View Post
There's your problem.
I'm young and stubborn, everyone has been there

After all chances are it just gonna swallow water one day and lock up. It's just a mud truck as long as it sounds good I'm happy

But really, I thought that summit cam 1102 would be a nice mild cam? Should be able to run stock springs? Stock dished pistons, 416 heads, leakdown test looked great, but still have 3 cylinders left to check. Nothing impressive by any means, but the 350 in the truck now burns oil bad.
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Old 12-31-2012, 12:21 AM
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whats the gear ratio in the transfer case? 4.1 X ?
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Old 12-31-2012, 12:49 AM
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I was after something with a little loap, even if it hurt low end torque.

It will defiantly deliver on those two priorities.

needs compression, gears (big gears with big tires) and converter stall.
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Old 12-31-2012, 04:57 AM
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Np 208 2.61.1 .....:....np 205 1.96.1.......save your money and swap in vortex 350 roller motor ...what's the plain for the truck ...what kind of tires. I think a stall would be a mistake.... torque is king in off road
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Old 12-31-2012, 05:05 AM
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Np 208 2.61.1 .....:....np 205 1.96.1.......save your money and swap in vortex 350 roller motor ...what's the plain for the truck ...what kind of tires. I think a stall would be a mistake.... torque is king in off road
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Old 12-31-2012, 07:03 AM
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is this a competitive mudding truck, or a toy mudding truck? If its just a toy then don't worry about every last hp, I've gone mudding with little 4 bangers, and a lot of other people have to. Actually, the most important part of building for mud is DURABILITY. Don't max out your compression ratio and run extra cooling for when it packs full of mud.

hitting old forrestry roads is a LOT different than competitive mud bogs, and I'm not sure which you're referring to.
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