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GMC V6 and V12 Engines Engine repair and rebuilding

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  #1  
Old December 18th, 2017, 04:22 AM
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Default Check this out

Sure sounds like a different cam!

https://www.youtube.com/watch?v=MtmPMgADW4Q
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  #2  
Old December 18th, 2017, 01:59 PM
lizziemeister'sV6 lizziemeister'sV6 is online now
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Default Re: Check this out

That's my GMC - yes that cam I had ground to bigblock V6;s specs - engine really wakes at about 2500 rpm and from there on it's pretty strong with a Powerglide behind it. Engine started life as a 351E - installed new 379 pistons with custom made longer rods - Holley 500 carb - exhaust system is 2 1/4" with H pipe and Flowmaster mufflers. Old girl turns lots of heads even before they see me. Thanks, Cliff
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  #3  
Old December 18th, 2017, 04:55 PM
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Default Re: Check this out

Quote:
Originally Posted by lizziemeister'sV6 View Post
That's my GMC - yes that cam I had ground to bigblock V6;s specs - engine really wakes at about 2500 rpm and from there on it's pretty strong with a Powerglide behind it. Engine started life as a 351E - installed new 379 pistons with custom made longer rods - Holley 500 carb - exhaust system is 2 1/4" with H pipe and Flowmaster mufflers. Old girl turns lots of heads even before they see me. Thanks, Cliff
That's cool! Did you have comp cams do it?
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"Excuse the rust I use my truck"
1964 GMC 1500 305E/sm420 4 barrel intake mod and dual exhaust.
To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.

1964 Chevy C20 292/SM420
1966 Chevy C10 292 hotrod 6/TKO600
1977 Chevy C20 572 BBC/TH400
1984 Chevy C30 292/SM465

My youtube channel aka Military Chevy:
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  #4  
Old December 18th, 2017, 09:01 PM
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Default Re: Check this out

Sounds Healthy and nice touch on the Magnum Emblems too.
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  #5  
Old December 19th, 2017, 02:10 AM
bigblockv6 bigblockv6 is offline
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Default Re: Check this out

Quote:
Originally Posted by lizziemeister'sV6 View Post
That's my GMC - yes that cam I had ground to bigblock V6;s specs - engine really wakes at about 2500 rpm and from there on it's pretty strong with a Powerglide behind it. Engine started life as a 351E - installed new 379 pistons with custom made longer rods - Holley 500 carb - exhaust system is 2 1/4" with H pipe and Flowmaster mufflers. Old girl turns lots of heads even before they see me. Thanks, Cliff
Glad to hear the cam worked out good in your V6. Old BarryGMC heard about my custom cam specs and was spreading a rumor that those were just stock cam specs

Last edited by bigblockv6; December 19th, 2017 at 03:12 AM.
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  #6  
Old December 19th, 2017, 07:15 PM
gmccollector gmccollector is offline
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Default Re: Check this out

What are the cam specs for this cam ? Sounds great
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  #7  
Old December 20th, 2017, 02:00 AM
bigblockv6 bigblockv6 is offline
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Default Re: Check this out

I posted them a while back, will send them to you in a Private Message
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  #8  
Old December 20th, 2017, 02:14 AM
James James is online now
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Default Re: Check this out

Quote:
Originally Posted by bigblockv6 View Post
I posted them a while back, will send them to you in a Private Message
PM me too. I think that engine sound great.
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  #9  
Old January 5th, 2018, 01:47 AM
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Default Re: Check this out

Sounds like a lot of overlap. Is there enough vacuum for power brakes?
How does it transition from idle circuit. With the limited RPM range of the V6 are there real gains . I am just asking. Dave. Sure sounds cool!
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