valve springs for roller cam

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Re: valve springs for roller cam

Post  dfree383 on July 28th 2017, 11:54 am

Lem Evans wrote:If a guy wanted to get right down to it......the valves bounce and the springs float.

Is that what they call the hula-Hokie-Pokie??
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Re: valve springs for roller cam

Post  BOSS 429 on July 28th 2017, 12:10 pm

dfree383 wrote:
Lem Evans wrote:If a guy wanted to get right down to it......the valves bounce and the springs float.

Is that what they call the hula-Hokie-Pokie??


-Hokie-Pokie?? [/quote] < happens a lot in the south ?
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Re: valve springs for roller cam

Post  IDT-572 on July 28th 2017, 1:02 pm

I personally think a lot of people get pulled into the high spring pressure is a must and over spring.

I run a Manley Nextek 221424-16 250 @ 2.00 / 800 @ 1.150 647 spring rate.

2.300 stainless intake valve Ti retainers and .4375 x .165 wall pushrod.

7200 rpm shift point and has seen 8100 several times with zero sign of valve float.

6 years and checked several springs the other day and all were with in 15 lbs of original seat pressure of 165 lb.

On the O.P.'s engine combo, I would be around 220/600 with the 600 being .060 at max lift.
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Re: valve springs for roller cam

Post  68formalGT on July 28th 2017, 11:22 pm

BOSS 429 wrote:
dfree383 wrote:
Lem Evans wrote:If a guy wanted to get right down to it......the valves bounce and the springs float.

Is that what they call the hula-Hokie-Pokie??


-Hokie-Pokie??
< happens a lot in the south ?[/quote]

I thought it was Okie-Pokie??

I have some Comp 999's for sale, not sure if they'll work for you.
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Re: valve springs for roller cam

Post  Racerrick on July 30th 2017, 12:21 am

anything but Comp springs in my motors ...... I had good results with Howards pro alloy 98885 Dual with Damper 1.575od 245 @ 2.000 600 @ 1.300 485lb/in .740 max lift 1.200cb or Manley pro 22431-16 Chrome Silicon Double w/damper Oval / Drag 1.550" 225 @ 1.950" 507lb/in 580 @ 1.250" .725 max lift
1.190" Coil Bind... next up the ladder PAC-1289 1.550 1.136 No 0.812 230 @ 2.000 580 @ 1.300 500 1.210 0.750 .......If you want a top flight spring set Isky tool room 9375 plus or 9385 plus

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springs

Post  hbstang on July 31st 2017, 10:18 pm

thanks for all the replies.i have a set comp 943.they are 240 @ 1.950 and 580 @ 1.300 .they should work good.plan to keep this under 6400 rpm.net lift should be .633 with cold lash.
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