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800rzr hydraulic roller lifter conversion??

This is a discussion on 800rzr hydraulic roller lifter conversion?? within the Engine and Drivetrain forums, part of the Technical category; thought I sen one shop offered hyd-roller lifters/cam for 800 rzr engines. or did I dream that? has anyone tried or given thought, or use ...


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  #1  
Old May 5th, 2012, 08:55 PM
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800rzr hydraulic roller lifter conversion??

thought I sen one shop offered hyd-roller lifters/cam for 800 rzr engines. or did I dream that?

has anyone tried or given thought, or use solid flat tappet set-up?

also does anyone know the diameter of the hyd lifters in the 800 engine?
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  #2  
Old May 6th, 2012, 06:54 AM
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Re: 800rzr hydraulic roller lifter conversion??

s&s has roller lifter cams for it,and richochet racing has converted them to solid's for more rpm's
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  #3  
Old May 6th, 2012, 06:56 AM
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Re: 800rzr hydraulic roller lifter conversion??

Quote: Originally Posted by RacerSam View Post
thought I sen one shop offered hyd-roller lifters/cam for 800 rzr engines. or did I dream that?

has anyone tried or given thought, or use solid flat tappet set-up?

also does anyone know the diameter of the hyd lifters in the 800 engine?
S&S has roller lifters... I have a set myself...
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  #4  
Old May 6th, 2012, 07:25 AM
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Re: 800rzr hydraulic roller lifter conversion??

Quote: Originally Posted by swingarm1 View Post
Quote: Originally Posted by RacerSam View Post
thought I sen one shop offered hyd-roller lifters/cam for 800 rzr engines. or did I dream that?

has anyone tried or given thought, or use solid flat tappet set-up?

also does anyone know the diameter of the hyd lifters in the 800 engine?
S&S has roller lifters... I have a set myself...
is it a drop in deal? or must you have lifter bores in block machined larger?

SBC are .842" dia. Fords are .875" dia. would the stock popo be one of those two dia.? thanks
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  #5  
Old May 6th, 2012, 07:41 AM
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Re: 800rzr hydraulic roller lifter conversion??

Sam --

The S&S Roller Cam Kit is a complete kit.

It is a drop-in kit ........... Although a slight bit of clearancing needs to be done on both the cylinder and base gasket. A dremmel is a good tool for this. The instructions explain this well.

The kit is guaranteed to run all day at 8500 RPM.

The kit is not designed to work with a stroker crank. Although with a bit of work it does work. I have 2 Turbo'd motors fitted this way.

You must run their roller lifters as they are machined for their lifter stablizing blocks. Also the correct length pushrods are included in their kit.

Have FUN .. ..

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Old May 6th, 2012, 07:58 AM
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Re: 800rzr hydraulic roller lifter conversion??

actually s&s guarantees it to 7400 rpm,but you can trust sparky's numbers
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  #7  
Old May 6th, 2012, 08:07 AM
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Re: 800rzr hydraulic roller lifter conversion??

Quote: Originally Posted by Sparky View Post
Sam --

The S&S Roller Cam Kit is a complete kit.

It is a drop-in kit ........... Although a slight bit of clearancing needs to be done on both the cylinder and base gasket. A dremmel is a good tool for this. The instructions explain this well.

The kit is guaranteed to run all day at 8500 RPM.

The kit is not designed to work with a stroker crank. Although with a bit of work it does work. I have 2 Turbo'd motors fitted this way.

You must run their roller lifters as they are machined for their lifter stablizing blocks. Also the correct length pushrods are included in their kit.

Have FUN .. ..

did you happen to measure the lifter dia? look a lot like SBC hyd lifters. anyways, why can you not run them with stroker cranks? does rods hit the camshaft??
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Old May 6th, 2012, 09:06 AM
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Re: 800rzr hydraulic roller lifter conversion??

The S&S Cam Kits were developed long before the stroker crank became reality.

S&S used the '08 engine as their platform and this engine is governed to 6385 RPM. They developed their kits to rev extend 1000 RPM beyond.

Enter the stroker crank and the different engine manangement systems. When I worked with one of their Product Engineers on the development of a Turbo grind for a bored/stroked engine -- They have now re-certified their existing kits to run up to 8500 RPM. I have this in writing - Hence my posting on this.

I suggest you don't try an re-invent the wheel and substitute a different roller lifter. You gain nothing. And - No ...... I don't know the measurements.

The S&S Roller Cam Kit as I mentioned is not designed to work with the stroker crank.

With a longer stroke -- Without a base shim under the twin cylinder raising the head ............... The pistons would hit the head.

To use their kit with a stroker crank -- One has some machining to perform on the balance shaft -- Base shim and new pushrods are needed.

All very easy corrections to make work.

Good Luck -- I'm back on the road for a couple of weeks.

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Old May 6th, 2012, 09:16 AM
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Re: 800rzr hydraulic roller lifter conversion??

Quote: Originally Posted by Sparky View Post
The S&S Cam Kits were developed long before the stroker crank became reality.

S&S used the '08 engine as their platform and this engine is governed to 6385 RPM. They developed their kits to rev extend 1000 RPM beyond.

Enter the stroker crank and the different engine manangement systems. When I worked with one of their Product Engineers on the development of a Turbo grind for a bored/stroked engine -- They have now re-certified their existing kits to run up to 8500 RPM. I have this in writing - Hence my posting on this.

I suggest you don't try an re-invent the wheel and substitute a different roller lifter. You gain nothing. And - No ...... I don't know the measurements.

The S&S Roller Cam Kit as I mentioned is not designed to work with the stroker crank.

With a longer stroke -- Without a base shim under the twin cylinder raising the head ............... The pistons would hit the head.

To use their kit with a stroker crank -- One has some machining to perform on the balance shaft -- Base shim and new pushrods are needed.

All very easy corrections to make work.

Good Luck -- I'm back on the road for a couple of weeks.

no big deal to measure for pushrod length to get correct ones needed, I understand guess you clearance shim plate liek you would bottom stock cylinder for the lifter guides. but why would you have to machine on balance shaft with /S&S roller set-up and not with flat tappet? thanks
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Old May 6th, 2012, 10:28 AM
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Re: 800rzr hydraulic roller lifter conversion??

you have to clearance for strocker crank ,not s&s cam
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  #11  
Old May 6th, 2012, 10:30 AM
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Re: 800rzr hydraulic roller lifter conversion??

sparky did you get them to grind you a turbo cam? I tried and first they said yes, than no
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Old May 6th, 2012, 07:49 PM
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Re: 800rzr hydraulic roller lifter conversion??

Hey Eli --

At the time - I had the rights to the Turbo cam ........... I agreed to the product development fee -- Ultimately they could not meet my schedule as they had quite a delay period until they could get a blank into production.

The Turbo grind never went into production as they had some internal issues.
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  #13  
Old May 6th, 2012, 07:52 PM
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Re: 800rzr hydraulic roller lifter conversion??

[/QUOTE]

is it a drop in deal? or must you have lifter bores in block machined larger?

SBC are .842" dia. Fords are .875" dia. would the stock popo be one of those two dia.? thanks[/QUOTE]

They look identical to a 350 chevy lifter
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  #14  
Old May 7th, 2012, 08:47 AM
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Re: 800rzr hydraulic roller lifter conversion??

is it a drop in deal? or must you have lifter bores in block machined larger?

SBC are .842" dia. Fords are .875" dia. would the stock popo be one of those two dia.? thanks[/QUOTE]

They look identical to a 350 chevy lifter[/QUOTE]

what I was thinking too
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Old May 7th, 2012, 10:06 AM
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Re: 800rzr hydraulic roller lifter conversion??

sparky, had virtually same conversation with s&s,and web cams also,they wanted me to pay for blank,but got hung up when I wanted property rights to turbo grind
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