Will 918 Springs Work with G5X4 Cam Thanks
Will 918 Springs Work with G5X4 Cam Thanks 
08-11-2005, 10:59 AM
#6
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Originally Posted by WasteU
Will 918 Springs Work with G5X4 Cam Thanks
LG Motorsports G5x4 608/610 lift
The Springs are comp cams 918
LG Motorsports G5x4 608/610 lift
The Springs are comp cams 918
08-11-2005, 12:01 PM
#7
The key to making the 918s work is shimming them to within .050" of coil bind. They should work very well if you do that.
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2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2018 Cadillac Escalade 6.2L A10 Pat G tuned.
LS1,LS2,LS3,LS7,LT1 Custom Camshaft Specialist For custom camshaft help press here.
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08-11-2005, 12:01 PM
#8
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Originally Posted by Brian@CompCams
I would run it all day long and spin it to 7,000. Wait a min..... I have! I'm probably the biggest fan of that spring.
I knew the 918's were good, strong and popular, but damn!
08-11-2005, 12:02 PM
#9
Originally Posted by Brian@CompCams
I would run it all day long and spin it to 7,000. Wait a min..... I have! I'm probably the biggest fan of that spring.
08-11-2005, 01:27 PM
#10
TECH Senior Member
Originally Posted by Brian@CompCams
Because you can see by this thread, that some people won't trust a single spring over a dual spring. That in itself (among other things)created a need in the market.
Perhaps correct geometry and lifter preload plays a huge role in when these need shimming.
Last edited by PREDATOR-Z; 08-11-2005 at 02:30 PM.
08-11-2005, 02:41 PM
#13
TECH Senior Member
Originally Posted by Brian@CompCams
You are looking at pressure and pressure alone...THAT scares me. Take a look at the difference in valvetrain weights. With less weight you can control just as much if not more with less spring pressure.
08-11-2005, 04:53 PM
#14
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Originally Posted by Brian@CompCams
Because you can see by this thread, that some people won't trust a single spring over a dual spring. That in itself (among other things)created a need in the market.
Dont get me wrong, I like the 918 springs but if they break youre pretty much fuckd.
08-11-2005, 04:59 PM
#15
I like two instead of one in case one breaks..that is keeping it pretty simple..I see engines all the time that have broken valve springs and the damage that has been done .. 
..you are in deep ca ca then..
..you are in deep ca ca then.. Last edited by slt200mph; 08-11-2005 at 05:50 PM.
08-11-2005, 05:27 PM
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I must say for a sponcer like Comp Cams to openly praise the 918's like this is pretty badass,especially when Comp offers a badass double set-up like the 921's,I'am impressed.
I must also add that i have over 15k on my 918's with a baby cam with no problems.
I must also add that i have over 15k on my 918's with a baby cam with no problems.
08-11-2005, 05:56 PM
#17
Originally Posted by 00T\A
I must say for a sponcer like Comp Cams to openly praise the 918's like this is pretty badass,especially when Comp offers a badass double set-up like the 921's,I'am impressed.
I must also add that i have over 15k on my 918's with a baby cam with no problems.
I must also add that i have over 15k on my 918's with a baby cam with no problems.
Did you think he was going to talk bad about them..he works for Comp Cams man..if you ever take a look at a engine after a valve spring breaks you'll also be impressed
08-11-2005, 06:06 PM
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Originally Posted by slt200mph
Did you think he was going to talk bad about them..he works for Comp Cams man..if you ever take a look at a engine after a valve spring breaks you'll also be impressed