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#1 |
Registered User
Join Date: May 2011
Location: Mayflower,AR
Posts: 802
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Cam choice in a 350 .60 over
please dont move, hoping to get more help here, the engine and drivetrain section has led to few comments. wanting to ask some of you guys what cam you are using in your sbc. ive got a .60 over 350 that im fixing to install flat top pistons in. ive got 461 double humps that have been race ported, opened up bit time. they have been cleaned, decked all new guides and seats. they are 202/160 valves 3 angle job. im gonna use the felpro blue gaskets. im wanting to ask what cam would be my best bet. i definitely want a thumpty thump cam idle but good performance for my setup. im guessing my truck has 373s, not sure, i mean it burns 1 tire pretty good so maybe. ive got a turbo 350, im going to install a shift kit, ill get a stall converter to go with the cam. im gonna run a hirise and an edelbrock 600/650. opinions? i like the sound of the lunati 268h
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-Mike- '94 GMT 400 ext z71 3" body, 3 in rough country, hd mirrors, 20" motometals on 35s |
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#2 |
Senior Member
![]() Join Date: Feb 2012
Location: chillicothe, illinois
Posts: 688
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Re: Cam choice in a 350 .60 over
comp cams mutha thumpa cam
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#3 |
Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: Cam choice in a 350 .60 over
thumpa good for noise not so good real world goin down the road// but if you just want to chruise parkin lots and thump thump thump go for it
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71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY |
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#4 |
I am a Referee of life.
Join Date: Jun 2000
Location: Greensboro N.C.
Posts: 13,993
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Re: Cam choice in a 350 .60 over
Call the cam co tech lines.Tell them what you just told us and add Tranny,rear gear ratio,tire size and truck use.They'll ask CR and head flow.They may ask even more.They have matched cams to combos for so long they will have the best choice for your setup.Cam co's are not like buying from other co.They generally have a good idea what goes into the right combo,that's where the power is.
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The 47-present Chevrolet and GMC Truck Message Board Network,it's owners,moderators,members,and associates of any type should not be held responsible for my opinion. You can't fix stupid,not even with duct tape. "My appearance is due to the fact that "GOD" does punish you for having too much fun!" Barrett-Jackson has perfected alchemy,they make rust into gold! "You can lead a horse to water but you can't saddle a duck" "Cleverly disguised as a 'Responsible Adult' "Sometimes your Knight in shining armor is just a retard in tinfoil" |
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#5 |
Registered User
Join Date: Mar 2011
Location: Brandon,Iowa
Posts: 391
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Re: Cam choice in a 350 .60 over
It's hard to beat a 268 high energy comp cam. Somewhat lumpy idle,great power and economy and good vacuum for accessories
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#6 |
Registered User
Join Date: Dec 2011
Location: winnipeg
Posts: 1,107
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Re: Cam choice in a 350 .60 over
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#7 |
Parts and more parts
Join Date: Nov 2003
Location: Lebo, Kansas (middle of nowhere
Posts: 6,821
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Re: Cam choice in a 350 .60 over
The theory of a cam is to match up everythng, so that it will work properly. Depending on a tranny, you may have to get a different stall on your torque converter if your cam is serious enoguh. Otherwise the vehicle will stumble at a stop and try to push you through the light or stop sign.
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Frank |
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#8 | ||
Registered Mail
Join Date: Jun 2006
Location: Alberta, Canada
Posts: 513
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Re: Cam choice in a 350 .60 over
Quote:
Quote:
Also a huge cam in a .60 over engine likes to make a lot of heat, i hope you got a good rad..
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'67 chev 496, lwb to swb, bagged - pro street project |
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#9 |
Watch out for your cornhole !
![]() Join Date: Jun 2003
Location: Azle, Texas
Posts: 14,162
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Re: Cam choice in a 350 .60 over
A 268 High Energy is my go-to cam on many of my builds over the years. If you want a bit more choppy idle go to a 270 Magnum. It's still very streetable but needs a looser converter to make it pleasant on the street.
Here is my 63 truck with a 268 High Energy. Sorry about all of the steam. It was cold that morning when I took the video. http://m.youtube.com/#/watch?v=aIjenvDSpAw Posted via Mobile Device |
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#10 |
Registered User
Join Date: May 2011
Location: Mayflower,AR
Posts: 802
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Re: Cam choice in a 350 .60 over
Yea i definitely want a streetable truck but i want to concentrate on performance also. Ive got the standard radiator in it now, should i upgrade it? Id like somewhat of a stout truck off the line. What do you guys think i should go with. The heads are bare, i havent put in springs yet and im just going with a hyd flat tappet. Id like to make around 375-400hp. Goal anyways
Posted via Mobile Device
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-Mike- '94 GMT 400 ext z71 3" body, 3 in rough country, hd mirrors, 20" motometals on 35s |
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#11 | |
Registered User
Join Date: May 2011
Location: Mayflower,AR
Posts: 802
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Re: Cam choice in a 350 .60 over
Quote:
Posted via Mobile Device
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-Mike- '94 GMT 400 ext z71 3" body, 3 in rough country, hd mirrors, 20" motometals on 35s |
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#12 |
Registered User
Join Date: Dec 2008
Location: coffeyville, Kansas
Posts: 195
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Re: Cam choice in a 350 .60 over
i have a similar motor mines .40 over with an comp cams 268 , My stock 350 th , needs a shift kit in it now to match the cam
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#13 |
Registered User
Join Date: Nov 2009
Location: WEATHEROFRD, TX
Posts: 164
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Re: Cam choice in a 350 .60 over
I have a about the same motor as you do minus 2.02 heads. My cam is a 268 with .477 .484 or real close to that I dont remember exactaly. I also have 1.6 Crane rollor rockers. This is through long headers, 2 1/2 exhaust, and series 40 flowmasters. I tried to upload a vid but it would not let me. Look up Bryan Eddlemon on FB and there is a vid with no exhaust and one after the new exhaust. And no the power steering pump isnt whinning it doesnt have one. The whinning is the Erson geardrive.
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72 Chevy LB, LS in the works, 4L80, Grandfather bought it brand new. 66 GMC Short Step, 84 Front Suspension, many more mods to come 67 Chevy 3/4 Ton, 327, Auto, Factory A/C Ya must have been movin cause I was haulin a*$ when I passed you |
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#14 | |
Watch out for your cornhole !
![]() Join Date: Jun 2003
Location: Azle, Texas
Posts: 14,162
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Re: Cam choice in a 350 .60 over
Quote:
Posted via Mobile Device |
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#15 |
Registered User
Join Date: May 2011
Location: Mayflower,AR
Posts: 802
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Re: Cam choice in a 350 .60 over
ive got long tubes and im probably gonna do the geardrive. wanting a good hp cam
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-Mike- '94 GMT 400 ext z71 3" body, 3 in rough country, hd mirrors, 20" motometals on 35s |
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#16 |
Registered User
Join Date: May 2011
Location: Mayflower,AR
Posts: 802
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Re: Cam choice in a 350 .60 over
whats your hp?
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-Mike- '94 GMT 400 ext z71 3" body, 3 in rough country, hd mirrors, 20" motometals on 35s |
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#17 |
Registered User
Join Date: Nov 2009
Location: WEATHEROFRD, TX
Posts: 164
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Re: Cam choice in a 350 .60 over
TX Firefighter I literly LOL when I read "Land of MILFS and Honeys" and then saw your from Springtown. Many of the Honeys are missing multiple teeth and either weight 85 lbs or 285. Ive arrested many of the 85lbs.
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72 Chevy LB, LS in the works, 4L80, Grandfather bought it brand new. 66 GMC Short Step, 84 Front Suspension, many more mods to come 67 Chevy 3/4 Ton, 327, Auto, Factory A/C Ya must have been movin cause I was haulin a*$ when I passed you |
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#18 |
Watch out for your cornhole !
![]() Join Date: Jun 2003
Location: Azle, Texas
Posts: 14,162
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Re: Cam choice in a 350 .60 over
Well I'm a long time Weatherford resident and I live on the Weatherford side of Springtown so I can almost see the honeys in Weatherford.
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#19 | |
Registered User
Join Date: Jan 2010
Location: Ontario
Posts: 400
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Comp Cam.part #12-432-8 Adv Dur: Intake,282 exh.288 Dur@.050 Intake,230 Exh.236 Lobe Sep: 110.0 Valve lift; Intake,.510 Exh..520
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68 ![]() My other ride ,,, 07 Streetglide.. |
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#20 |
Registered User
Join Date: Dec 2012
Location: Altoona Iowa
Posts: 481
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Re: Cam choice in a 350 .60 over
Go with the Comp Cams Mutha Thumpa 291THR7.....Badass High Energy Cam and very sweet deep lobe
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#21 |
Registered User
Join Date: May 2011
Location: Mayflower,AR
Posts: 802
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Re: Cam choice in a 350 .60 over
im wanting to stay with hydraulic flat tappet for $ reasons. im just wanting a solid cam that wont be a dog down low, something with spunk to move a truck well, and still breathe good all the way up .
__________________
-Mike- '94 GMT 400 ext z71 3" body, 3 in rough country, hd mirrors, 20" motometals on 35s |
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#22 |
Registered User
Join Date: Dec 2012
Location: Altoona Iowa
Posts: 481
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Re: Cam choice in a 350 .60 over
stay under 280 advertised duration and 450 lift.......read all specs before you choose one, they will indicate which converter you will have to run....and look at raising up your rockers degree a little.
If you go on Comp Cams website, you can kinda get a little sound of what a few of teir best seller cams sound like in your 350SBC. |
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#23 |
Registered User
Join Date: Dec 2012
Location: Altoona Iowa
Posts: 481
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Re: Cam choice in a 350 .60 over
the 268H is a good all around choppy idled, hydro flat tap RV cam....and not overly expensive.
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#24 | |
Registered User
Join Date: May 2011
Location: Mayflower,AR
Posts: 802
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Re: Cam choice in a 350 .60 over
Quote:
Posted via Mobile Device
__________________
-Mike- '94 GMT 400 ext z71 3" body, 3 in rough country, hd mirrors, 20" motometals on 35s |
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#25 |
the boat guy
Join Date: Jul 2007
Location: springfield mo
Posts: 2,339
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Re: Cam choice in a 350 .60 over
Pretty simmilar engine with a comp xm278. Seems to run fine but I have a huge torque converter lol
Posted via Mobile Device
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67, swb, fleet, tach, throttle, 5.3, 4l60e, 3.73's, fuel cell, 5 lug, p.d.b., 4-6 drop. great little truck 66, stevens drag/ski 18' silouette, 350, 2.02 doublehump heads. comp extreme marine 278 cam, vette 7 fin valve covers, old polished edelbrock intake, velvetdrive, casale v-drive, adj cavitation plate. 28, model a rpu project, |
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