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Old 05-19-2020, 05:21 PM   #1
Q.8
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Cam shaft question

Hello. Would like to know if there any one with experience can help me with that.
Looking to buy a camshaft that give me aggrassive sound & engine shaking for cars show purposes . Engine is 350 SBC

Thanks
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Old 05-19-2020, 05:37 PM   #2
geezer#99
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Re: Cam shaft question

One like this will work.

https://www.compcams.com/mutha-thump...all-block.html
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Old 05-20-2020, 12:42 AM   #3
GASoline71
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Re: Cam shaft question

That'll do it. Ground for sound...

Gary
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I would never rebuild a 305.
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I love using vacuum gauges as part of the carb tuning process. I hook the gauge to the inside of my garbage can and leave it there.
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Old 05-20-2020, 12:23 PM   #4
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Re: Cam shaft question

.
Keep the fine print in mind..."Needs 9:1 Compression, 2500+ Stall, Intake, Gears & Headers" ... and don't expect your 350 perform well without all that.

It'll probably sound good though!

-klb
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Old 05-20-2020, 07:18 PM   #5
GASoline71
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Re: Cam shaft question

I have a friend that uses one of those cams and has to run 24 degrees of initial advance to get it to even run right. Why he hasn't yarded that thing out of his 350 is beyond me.

Gary
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'cuz chicks dig scars...

My 1972 GMC 1500 Super Custom (Creeping Death) "long term" build thread.

The Rebuild of Creeping Death after the wreck

Quote:
Originally Posted by LONGHAIR View Post
I would never rebuild a 305.
Quote:
Originally Posted by prostreetC-10 View Post
I love using vacuum gauges as part of the carb tuning process. I hook the gauge to the inside of my garbage can and leave it there.
Quote:
Originally Posted by Marv D View Post
Remember Murphys 2nd law of mechanical relationships... "OPPOSING COMPONENTS ATTEMPTING TO OCCUPY THE SAME SPACE, AT THE SAME TIME, GENERALLY END UP OCCUPYING ADJOINING SPACE AT THE BOTTOM OF THE OIL PAN"
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Its cheaper to listen to advice given when you ask for help than it is to ignore everyone and wait for carnage.
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Old 05-20-2020, 08:39 PM   #6
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Re: Cam shaft question

The Muthathumpr is the most extreme one , but they make a less radical one called the Thumpr. Other than that, I don't know anything more about it though.
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Old 05-20-2020, 09:36 PM   #7
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Re: Cam shaft question

If you want a lopey sound, I would go with a cam with 230*+ @.050 and a 108 LSA.
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Old 05-20-2020, 11:51 PM   #8
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Re: Cam shaft question

Flowmasters. They can make anything sound good, plus headers.

Also advancing the timing induces more "thump".

Although they won't work as well as a cam. They can get you by or amplify a cam change.
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Old 05-21-2020, 05:11 PM   #9
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Re: Cam shaft question

Check out a Crane 274h06 grind. Elgin, Summit, and others also offer a version of it. 218@.050 duration but ground on a 106 lobe separation. Works well with lower compression ( 8.75-9.5 ), but still has a rough idle. Works well in a stock to mildly modified small block.
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Old 05-21-2020, 05:17 PM   #10
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Re: Cam shaft question

Wow 106 LSA, will that even idle less than a grand?
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Old 05-21-2020, 10:37 PM   #11
Q.8
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Re: Cam shaft question

Thanks guy. Lets see more experience from the others. Videos are very welcome to post here
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guys,,,im overseas member..so please ,,respond me with easy english,coz its my second language....thanks


--c30 1966 frame off 5 years restoration ; Finished;

Chevy suburban 1958 restoration ( In progress )


85 c10 "back to original project <Finished> "

81 c10 "back to original ( later) "

85 c10 cattleman edition lifted ( finished)>

K1500 1989 full restoration ( soon )

S10 1991 in progress
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