getting ready to "push the button"
Club Member
Joined: Apr 2011
Posts: 5,776
Likes: 7,811
From: SE Louisiana
You should be over 100 on compression,
Instead of holding valves open, you might not be opening them enough.
Looking at the Velva touch web site, I see they say 1.5 turns on the pushrod adjustment,
it depends on the TPI as to how many turns after zero lash,
most pushrods are adjusted 2.5 to 3.5 turns, more like 18 flats for 32tpi.
See what pushrods you have, or measure the pitch with a thread gauge.
Some pushrod sets have two longs and two shorts also.
Instead of holding valves open, you might not be opening them enough.
Looking at the Velva touch web site, I see they say 1.5 turns on the pushrod adjustment,
it depends on the TPI as to how many turns after zero lash,
most pushrods are adjusted 2.5 to 3.5 turns, more like 18 flats for 32tpi.
See what pushrods you have, or measure the pitch with a thread gauge.
Some pushrod sets have two longs and two shorts also.
Thread Starter
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Seasoned HDF Member
Joined: Sep 2010
Posts: 10,236
Likes: 798
From: Indiana
Yep, honed with new rings and pistons.
Road Warrior
Joined: Mar 2007
Posts: 1,959
Likes: 2
From: Florida
Last edited by bluharley; Jan 19, 2013 at 07:25 PM.
Thread Starter
|
Seasoned HDF Member
Joined: Sep 2010
Posts: 10,236
Likes: 798
From: Indiana
You should be over 100 on compression,
Instead of holding valves open, you might not be opening them enough.
Looking at the Velva touch web site, I see they say 1.5 turns on the pushrod adjustment,
it depends on the TPI as to how many turns after zero lash,
most pushrods are adjusted 2.5 to 3.5 turns, more like 18 flats for 32tpi.
See what pushrods you have, or measure the pitch with a thread gauge.
Some pushrod sets have two longs and two shorts also.
Instead of holding valves open, you might not be opening them enough.
Looking at the Velva touch web site, I see they say 1.5 turns on the pushrod adjustment,
it depends on the TPI as to how many turns after zero lash,
most pushrods are adjusted 2.5 to 3.5 turns, more like 18 flats for 32tpi.
See what pushrods you have, or measure the pitch with a thread gauge.
Some pushrod sets have two longs and two shorts also.
Thread Starter
|
Seasoned HDF Member
Joined: Sep 2010
Posts: 10,236
Likes: 798
From: Indiana
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Club Member
Joined: Apr 2011
Posts: 5,776
Likes: 7,811
From: SE Louisiana
They saying 1.5 turns for the front cyl pushrods, and 1 turn for the rears.
The lifters must have some type of limiters in them, sounds like it would be easy to go too tight on them.
10. CAUTION !! Before rotating the engine to install the rear cylinder pushrods
allow the lifters to bleed down, (The pushrods will turn by hand when ready)
failure to this could bend a valve.
11. Position the rear cylinder lifter block tappets on the heel of the cam using the
method in step 8, then adjust the pushrods as described in step 9, EXCEPT,
turn the adjusters out one (1) full turn, or six (6) wrench flats! Expand the
sleeves and install retainers.
The lifters must have some type of limiters in them, sounds like it would be easy to go too tight on them.
10. CAUTION !! Before rotating the engine to install the rear cylinder pushrods
allow the lifters to bleed down, (The pushrods will turn by hand when ready)
failure to this could bend a valve.
11. Position the rear cylinder lifter block tappets on the heel of the cam using the
method in step 8, then adjust the pushrods as described in step 9, EXCEPT,
turn the adjusters out one (1) full turn, or six (6) wrench flats! Expand the
sleeves and install retainers.
Last edited by Schex; Jan 19, 2013 at 07:54 PM.