Author Topic: 340 six pack lifters  (Read 870 times)

Offline lime 70

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340 six pack lifters
« on: July 27, 2008 - 08:49:29 PM »
 What came stock in a 340 six pack motor solid or hydralic lifters :dunno:
70 Challenger 440 SIX PACK




Offline Moparal

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Re: 340 six pack lifters
« Reply #1 on: July 27, 2008 - 08:50:22 PM »
I believe solid with adjustable offset rockers :2thumbs:

Offline Chryco Psycho

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Re: 340 six pack lifters
« Reply #2 on: July 27, 2008 - 09:19:46 PM »
std 340 cam with hyd lifters & adjustable rockers

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Offline 71chally416

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Re: 340 six pack lifters
« Reply #3 on: July 27, 2008 - 11:22:51 PM »
The only wedge small blocks with solid cams from the factory are 273's. 
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Offline mikerallye

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Re: 340 six pack lifters
« Reply #4 on: July 27, 2008 - 11:37:24 PM »
Why do you need adjustabe rockers if it has hydraulic lifters?

Offline 71chally416

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Re: 340 six pack lifters
« Reply #5 on: July 27, 2008 - 11:55:19 PM »
T/A heads have offset rockers to clear the heads because the T/A heads were drilled different to allow for more porting. I guess it was cheaper for them to just cast adjustable rockers than stamp different rockers for those heads.
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Offline LAA66

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Re: 340 six pack lifters
« Reply #6 on: July 28, 2008 - 12:02:12 AM »
Why do you need adjustabe rockers if it has hydraulic lifters?

 Possibly the offset pushrods with varing distances between the lifters and rockers have something to do with it. :dunno:

Offline Chryco Psycho

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Re: 340 six pack lifters
« Reply #7 on: July 28, 2008 - 12:06:33 AM »
the offset rockers allowed for head porting as the pushrod holes are moved in the heads

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Offline LAA66

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Re: 340 six pack lifters
« Reply #8 on: July 28, 2008 - 12:25:26 AM »
 Given the offset angle, I would guess any production variance in the rockers horizontal location (including wear later on) would change the lash enough to warrant adjustable rockers.