Valve covers to clear yt6653 rocker arms on a .689 lift cam
#1
Valve covers to clear yt6653 rocker arms on a .689 lift cam
I am using ict Billet 3/4" risers and stock covers.rhey clear after a whole lot of grinding but getting them to seal has been a pain. Does anyone make a cover that needs very little grinding and will seal?
#2
11 Second Club
iTrader: (9)
I'm starting a 427 Ls3 build as well. Is that a solid lifter cam spec or hydraulic? As far as the covers go I picked up set of one inch studded spacers with o-ring grooves and they came with the longer bolts as well. I paid $75 bucks for them a few years back in the for sale section. I don't know what company was making them. Got them about 4 yrs ago.
Last edited by handyandy496; 10-19-2018 at 02:43 PM.
#4
ModSquad
iTrader: (6)
Costs several bill$, but the Katech covers clear anything you throw at them and will.not.leak. Here’s a shot of mine...
#5
I'm starting a 427 Ls3 build as well. Is that a solid lifter cam spec or hydraulic? As far as the covers go I picked up set of one inch studded spacers with o-ring grooves and they came with the longer bolts as well. I paid $75 bucks for them a few years back in the for sale section. I don't know what company was making them. Got them about 4 yrs ago.
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#9
ModSquad
iTrader: (6)
Gotta figure in the relocation brackets, and longer plug wires. If you want the slotted set, like I’m running, with the aluminum piece to have custom machined (outsourced which is extra money as well), it’s little more as well. I guess I have over a grand in those. It’s only money!
#10
11 Second Club
iTrader: (9)
You can always empty your wallet at something. That's the easy way. I cant see why these cant be made to work. Just looking at mine for the first time really and new fasteners will be needed to make them seal. I'm not into how engines look but how I can get them to perform for my dollars.
#11
You can always empty your wallet at something. That's the easy way. I cant see why these cant be made to work. Just looking at mine for the first time really and new fasteners will be needed to make them seal. I'm not into how engines look but how I can get them to perform for my dollars.
#12
ModSquad
iTrader: (6)
I’ve read too many horror stories on valve cover spacers leaking. I refuse to take the chance of oil on headers, and a car fire.
#14
TECH Apprentice
iTrader: (3)
The issue I see with running spacers is you’re now trying to seal 2 surfaces using the same oem bolts and inch# torque. The bolts aren’t even big enough to increase the torque either. One thing that might help is a thin film layer of silicone paste on the O ring seals. Also wouldn’t hurt to make sure your spacers are flat with a straight edge and feeler gauges.
Otherwise, yeah aftermarket tall valve covers will get the job done.
Otherwise, yeah aftermarket tall valve covers will get the job done.
#16
ModSquad
iTrader: (6)
After seeing this photo, you’ll likely do a little clearancing on whatever you buy. That’s tight!
#20
TECH Apprentice
iTrader: (3)
Well sealing them is one thing. Problem #2 is it looks like you need additional clearance for those rockers as well. Grinding would be required or use the YT5123 spacers I mentioned earlier. They provide the additional clearance needed.
http://store.yellaterra.com.au/alloy...2-ls3-lsa-lsx/
http://store.yellaterra.com.au/alloy...2-ls3-lsa-lsx/