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Dundee1000
pushrods..
#1
No life (a.k.a. DattoMaster)
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who ever knew..
I found there is 3 lengths of A series pushrods...

I only ever thought there was 2 lengths, sort for small blocks A10/A12 and long for big Blocks A14/A15..

there's always something to learn...

Posted on: 2010/5/13 2:01
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'68 Thou Wagon,(home now) up and running
'69 2 door project, the yellow thing,
A12A Project motor, for the yellow thing.
A15 PSI Project Motor
'72 CB750k,
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clyons8
Re: pushrods..
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Don't the A14 and A15 have different strokes making the rocker assembly on the a15 further from the cam?

Hey did I see that Bpro were making the ultra light tappets now? Similar to the nismo hollow specials?

EDIT: Tappets/cam followers

Posted on: 2010/5/13 2:17
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Dundee1000
Re: pushrods..
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hell yea Chris,
I got a set in for my engine,
well impressed..

Posted on: 2010/5/13 2:35
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'68 Thou Wagon,(home now) up and running
'69 2 door project, the yellow thing,
A12A Project motor, for the yellow thing.
A15 PSI Project Motor
'72 CB750k,
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clyons8
Re: pushrods..
#4
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How muchy? and what do they weigh each?

Posted on: 2010/5/13 3:05
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ssskiwi
Re: pushrods..
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Hmm, $$ and a weight would be nice to know..

The stroke shouldn't matter pushrod height as it is the cam C/L to head height that sets the pushrod length.

Where has the third length come from??

Posted on: 2010/5/13 7:58
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Dundee1000
Re: pushrods..
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I'll weigh them,
production items are expected in June

Posted on: 2010/5/13 8:08
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'68 Thou Wagon,(home now) up and running
'69 2 door project, the yellow thing,
A12A Project motor, for the yellow thing.
A15 PSI Project Motor
'72 CB750k,
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clyons8
Re: pushrods..
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Awesome just in time for the tax return!

Posted on: 2010/5/13 8:14
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LittleFireyOne
Re: pushrods..
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... what about the carbon fiber pushrods?

Posted on: 2010/5/13 10:49
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Aegis
Re: pushrods..
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How much do Tomei lightweight push rods weight for the A14/15?

Posted on: 2010/5/13 10:59
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Dodgeman
Re: pushrods..
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Quote:

Dundee1000 wrote:
who ever knew..
I found there is 3 lengths of A series pushrods...

I only ever thought there was 2 lengths, sort for small blocks A10/A12 and long for big Blocks A14/A15..

there's always something to learn...
Correct, three pushrod lengths

Block 'A'
A10 with 59mm stroke. This is the shortest block with the shortest pushrods

Block group 'B'
1200, A12[from 1974], A12A, A13[1980-'82] These all had a 70mm stroke & use the middle length pushrod.

Block group 'C'
A13[US model, 1974 only] A14, A15. These used the 77mm stroke [A13 & A14] & the 82mm stroke [A15] but all shared the same basic block dimensions.
These all use the longest pushrods.

Posted on: 2010/5/13 15:24

Edited by Dodgeman on 2010/5/13 15:58:44
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