Vortec Heads Valve Guide Cutting Tool

Vortec Heads Valve Guide Cutting Tool. Requires the use of an arbor/pilot, which are available for 5/16 , 11/32 3/8 valve stem sizes. Valve guide knurling resizing tools.

Chevrolet 5.7L 350 Vortec Cylinder Head 19962002 from www.westcoastoffshore.ca

Last edited by alexwelsh on wed aug 13, 2008 8:09 pm, edited 2 times in total. Just cut the seats enough to widen them out but dont go past the current seat depth and cut the guide bosses to a height of.25 or 1/4. Seals mounted directly on the top of the guide.

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This.530 inch valve guide cutter from comp cams will allow the engine builder to machine the cylinder head to the proper size for your spring. Up next, you need to decide if you want to use the original valves or make some upgrades.

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This quick tech video from comp cams® demonstrates how easy it is to use valve spring seat cutters and valve guide cutters to quickly and easily machine near. The 062 does flow slightly better on the exhaust side at low lifts but the advantage over a 906 is very slight.

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Both heads make the same power in stock form. Im running comp cams 987 double springs (1.430) which were recommended by comp for my application.

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But i would be willing to pay rental fee and a deposit if someone will loan them to me. These cutting tools require the use of an arbor or pilot that is sold separately.

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This gave me a total guide height of.621 and that gave me a retainer to seal clearance of.640. You put the assembly in your drill and you trim off as much as you need.

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This quick tech video from comp cams® demonstrates how easy it is to use valve spring seat cutters and valve guide cutters to quickly and easily machine near. You need an arbor to fit in the valve guide and the cutter fits over the arbor.

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Vortec heads were used exclusively in trucks and suvs. Valve guide cutters available to cut guide to.425 •.446 •.494 •.500 •.530 •.625 .

SmallBlock Engine Vortec Cylinder Heads ChevroletSource: www.chevrolet.com

Vortec heads have a taller guide boss to give additional support to the valve stem, which means they only handle about.420” of lift. Dont want to spend $150 on tools i will only use once.

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Hardened spring seat on gm vortec head 1.350” spring seat cutter, 4721 to install single springs on.775” gm vortec head, w/o hardened spring seat valve guide cutters 4727.446” valve guide cutter.446” 4725.494” valve guide cutter.494” 4715.500” valve guide cutter.500” 4726.530” valve guide cutter.530” This quick tech video from comp cams® demonstrates how easy it is to use valve spring seat cutters and valve guide cutters to quickly and easily machine near.

Source: www.westcoastoffshore.ca

The 062 does flow slightly better on the exhaust side at low lifts but the advantage over a 906 is very slight. Valve guide cutting tool, steel, carbide tipped, cuts guide.531 in.

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1 diameter heavy duty valve guide trimmer. Im putting an engine together for a friend and the cam lift is.510, and the vortecs will only go to.460 in stock form.

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Another solution that will get you more than.035 is to cut down the valve guide boss height and diameter, which can be done at home using a compcams cutter and a drill press, or even a hand held electric drill. Dont want to spend $150 on tools i will only use once.

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Vortec heads were used exclusively in trucks and suvs. Im putting an engine together for a friend and the cam lift is.510, and the vortecs will only go to.460 in stock form.

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The common solution to this issue is to machine the valve guides, and spring seats to allow upgraded springs and more clearance for more lift. Requires the use of an arbor/pilot, which are available for 5/16 , 11/32 3/8 valve stem sizes.

SmallBlock Engine Vortec Cylinder Heads ChevroletSource: www.chevrolet.com

Up next, you need to decide if you want to use the original valves or make some upgrades. This cutter can be used for trimming down valve guides after installation or for cutting down rocker studs when converting heads from pressed in studs to screw in studs.

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Requires the use of an arbor/pilot, which are available for 5/16 , 11/32 3/8 valve stem sizes. Hardened spring seat on gm vortec head 1.350” spring seat cutter, 4721 to install single springs on.775” gm vortec head, w/o hardened spring seat valve guide cutters 4727.446” valve guide cutter.446” 4725.494” valve guide cutter.494” 4715.500” valve guide cutter.500” 4726.530” valve guide cutter.530”

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Comp cams valve guide cutting tools are designed to cut a larger diameter for your aftermarket valve guide. Stud boss and valve guide cutter.

Chevrolet 5.7L 350 Vortec Cylinder Head 19962002Source: www.westcoastoffshore.ca

Im putting an engine together for a friend and the cam lift is.510, and the vortecs will only go to.460 in stock form. On a vortec head, the limiting factor is valve guide boss height, so one solution is to use offset locks as mentioned in the posts above.

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All that is good to go. Requires the use of an arbor/pilot, which are available for 5/16 , 11/32 3/8 valve stem sizes.

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Last edited by alexwelsh on wed aug 13, 2008 8:09 pm, edited 2 times in total. This gave me a total guide height of.621 and that gave me a retainer to seal clearance of.640.

Im Putting An Engine Together For A Friend And The Cam Lift Is.510, And The Vortecs Will Only Go To.460 In Stock Form.

I have a vortec 350 with iron vortec heads (062 casting). Valve guide cutters available to cut guide to.425 •.446 •.494 •.500 •.530 •.625 . Another solution that will get you more than.035 is to cut down the valve guide boss height and diameter, which can be done at home using a compcams cutter and a drill press, or even a hand held electric drill.

Seals Mounted Directly On The Top Of The Guide.

Comp cams valve guide cutting tools are designed to cut a larger diameter for your aftermarket valve guide. Last edited by alexwelsh on wed aug 13, 2008 8:09 pm, edited 2 times in total. My valve guides have been cut down to allow for high lift cams and necked down to.530 for use with aftermarket umbrella seals.

Okay Guides The Problems With The Vortec Heads Are The ****Ty Springs 1.25 Od (Iirc), Press In Studs, And The Valve Guide Is To Tall So It Makes Contact With The Keeper Above.420 Or.480 (Depends Who You Talk To).

All that is good to go. Dont want to spend $150 on tools i will only use once. Requires the use of an arbor/pilot, which are available for 5/16 , 11/32 3/8 valve stem sizes.

1 Diameter Heavy Duty Valve Guide Trimmer.

Comp cams valve guide cutting tools. These cutting tools require the use of an arbor or pilot that is sold separately. You need an arbor to fit in the valve guide and the cutter fits over the arbor.

The 062 Does Flow Slightly Better On The Exhaust Side At Low Lifts But The Advantage Over A 906 Is Very Slight.

Vortec heads were used exclusively in trucks and suvs. I realize vortec heads are far from traditional, but if the hood is closed, who will know? Power products, spring seat cutting tool, 1.320/.630 inner dia.