Three-quarter cam?

DRASTiK · 05-30-2002, 12:59 AM

I've got a friend that doesn't really know much about cars, but he's always talking about his dad's chevy. I asked him what he had in it and he said "it's a 350 with a three quarter cam." I asked him which cam it was and he said "I told ya, it's a three quarter cam." I've heard this term from time to time over the past few years. WHAT THE HELL IS A 3/4 CAM?

Please enlighten me.

Crazy Horse GT · 05-30-2002, 01:19 AM

dont hold me to this, i got out of hot rods for a long time, but it's like a full race cam, or 3 quarter race cam , if i remember right, it all has to do with lift & duration , etc, jeeez i forgot alot about chevy's because i gave up on them in the late 70's,

lx mike · 05-30-2002, 06:41 AM

Come from back when there wasn't many choices in cams. there was either stock or race then someone decided to grind a cam that was in between and called it a 3/4 race cam.

Mr 5 0 · 05-30-2002, 07:52 AM

Chevy-boy must have gotten that term from his grandfather.

Back in the '50's, Offenhauser was the big aftermarket cam manufacturer. They had a fairly aggressive cam for the wildly popular Ford flathead V-8 that was termed a '3/4 race' cam, as opposed to a 'full-race' near-unstreetable cam.

That was about 50 years ago.

Your friend has no clue what's in that Chevy except that it probably has an aftermarket cam.

DRASTiK · 05-30-2002, 12:46 PM

Thanks Gents, now I understand. He's not a B.S.er, he's just not very knowledgeable yet. He probably got the term from his father and just assumed that whomever he said it to wouldn't question him about it. He's going to be getting his dad's malibu in July, and he asked me to show him the ropes when he gets it. He's been helping me work on my car off and on for a year or so, but he just does what I ask him to do and he's trying to learn. As long as someone is trying to learn, then I'll have no problems working with them. If they just want me to do the work for them (which he doesn't), then I'd better be getting paid or I won't do it. You know how it goes.

Later

PKRWUD · 05-30-2002, 01:08 PM

Quote:

Originally posted by DRASTiK
As long as someone is trying to learn, then I'll have no problems working with them. If they just want me to do the work for them (which he doesn't), then I'd better be getting paid or I won't do it. You know how it goes.

DANG IT!!! I KNEW I was doing something wrong!!!!!

I guess I should look for a financial advisor other than my cats.

Take care,
-Chris

Crazy Horse GT · 05-31-2002, 12:11 AM

hey chris i have that tatoo of the killers album on my right shoulder blade, cool

mustang2002 · 05-31-2002, 05:41 PM

I had no idea what a three quarter cam was until now. Thanks guys I wouldn't have been able to help you there

05-30-2002, 12:59 AM	#1
DRASTiK Registered Member Join Date: May 2001 Location: Yuma, AZ Posts: 536	Three-quarter cam? I've got a friend that doesn't really know much about cars, but he's always talking about his dad's chevy. I asked him what he had in it and he said "it's a 350 with a three quarter cam." I asked him which cam it was and he said "I told ya, it's a three quarter cam." I've heard this term from time to time over the past few years. WHAT THE HELL IS A 3/4 CAM? Please enlighten me. __________________ Dave 88 GT - 13.4@106 on street tires (2.2 60ft) My Stang RHC member #75 My stang is FOR SALE!!

05-30-2002, 01:19 AM	#2
Crazy Horse GT Registered Member Join Date: Aug 2001 Location: Sale Creek, TN. C. S. A. Posts: 4,652	dont hold me to this, i got out of hot rods for a long time, but it's like a full race cam, or 3 quarter race cam , if i remember right, it all has to do with lift & duration , etc, jeeez i forgot alot about chevy's because i gave up on them in the late 70's, __________________ 95 gt vert, lot's of stuff, it aint slow. 04 sonic blue v - six my beater 89 rs camaro iroc turbo hood, other stuff, my wifes ride 84 lx stang cammed up 289 hi po, etc 65 falcon, maybe by the year 2020. black 00gt, gone but never forgotten. R H C- member # 1 o.b.c. da prez- member # 1 if your under 40 dont ask. goodbye for now odie,r.i.p. 11-27-03

05-30-2002, 06:41 AM	#3
lx mike Undescribable Join Date: Sep 1998 Location: Ft Myers Fla Posts: 1,539	Come from back when there wasn't many choices in cams. there was either stock or race then someone decided to grind a cam that was in between and called it a 3/4 race cam. __________________ Rice Haters Club Member #101

05-31-2002, 12:11 AM	#7
Crazy Horse GT Registered Member Join Date: Aug 2001 Location: Sale Creek, TN. C. S. A. Posts: 4,652	hey chris i have that tatoo of the killers album on my right shoulder blade, cool __________________ 95 gt vert, lot's of stuff, it aint slow. 04 sonic blue v - six my beater 89 rs camaro iroc turbo hood, other stuff, my wifes ride 84 lx stang cammed up 289 hi po, etc 65 falcon, maybe by the year 2020. black 00gt, gone but never forgotten. R H C- member # 1 o.b.c. da prez- member # 1 if your under 40 dont ask. goodbye for now odie,r.i.p. 11-27-03

05-31-2002, 05:41 PM	#8
mustang2002 Registered Member Join Date: May 2002 Location: Pearson Posts: 51	I had no idea what a three quarter cam was until now. Thanks guys I wouldn't have been able to help you there __________________ C~ya-Jeremy Redneck Talk. Can ya read it? MR Pigs. MR Not Pigs. OSAR Pigs. LIB MR Pigs.

05-30-2002, 07:52 AM	#4
Mr 5 0 Conservative Individualist Join Date: May 1997 Location: Wherever I need to be Posts: 7,487	Chevy-boy must have gotten that term from his grandfather. Back in the '50's, Offenhauser was the big aftermarket cam manufacturer. They had a fairly aggressive cam for the wildly popular Ford flathead V-8 that was termed a '3/4 race' cam, as opposed to a 'full-race' near-unstreetable cam. That was about 50 years ago. Your friend has no clue what's in that Chevy except that it probably has an aftermarket cam.

05-30-2002, 12:46 PM	#5
DRASTiK Registered Member Join Date: May 2001 Location: Yuma, AZ Posts: 536	Thanks Gents, now I understand. He's not a B.S.er, he's just not very knowledgeable yet. He probably got the term from his father and just assumed that whomever he said it to wouldn't question him about it. He's going to be getting his dad's malibu in July, and he asked me to show him the ropes when he gets it. He's been helping me work on my car off and on for a year or so, but he just does what I ask him to do and he's trying to learn. As long as someone is trying to learn, then I'll have no problems working with them. If they just want me to do the work for them (which he doesn't), then I'd better be getting paid or I won't do it. You know how it goes. Later

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