These retainers allow you to use ls style behive valve springs on stock unmodified vortec heads and gain that needed retainer to valve seal clearance for extra lift.
Beehive valve springs for vortec heads.
Discussion starter 1 feb 20 2018.
Not aluminum lt1 that s right no machine work required to set up a pair of these heads.
But while even stock ls6 valave springs can handle 0 550 lift or so you will still be limited to 0 520 0 530 lift.
I used our comp cams retainers and some howards locks.
The stock vortec springs are designed to control a very mild stock cam.
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This guide boss is also very tall.
The biggest hurdle is accommodating valve lifts above 0 450 inch.
The 26918 16 springs will clear up to 525 lift on a vortec head if matched with the 787 16 retainers and 623 16 locks.
Drop in fit 550 lift sbc iron vortec valve spring kit for sb chevy vortec high performance hydraulic roller cams up to 550 lift w 130 lbs seat pressure.
Our vortec kits are engineered specifically for iron vortec 96 iron lt1 heads.
Since even mild performance cams stretch the valve lift.
Seals mounted directly on the top of the guide.
Joined feb 9 2014 61 posts.
Hi guys just posting this up because i recently did this myself and it worked out great.
I have the.
They also work great on vortec heads if you combine them with the right retainers and are a great option for most performance camshafts you might run in your hot rod.
If you want to run a bigger cam in an older sbc and you have vortec heads this should help you out.
This height restricts the room between the top of the seal and the bottom of the valve spring retainer at max valve lift.
The vortec head features a very large boss at the base of the valve guide that measures 0 850 inch in diameter and is used to locate the 1 250 inch outside diameter o d valve spring.
This is aj with comp cams.
The head uses 0 560 inch i d.
These combined parts do not require machine work to the heads and the springs should fit in your stock spring pockets.
My experience using ls6 springs on vortec heads.
But don t worry vortec heads flow great up to 0 500 but not so much after that.