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12-22-2012, 12:36 AM #1
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914-16 comp springs too much for stock lifter?
Looking to cc503 swap soon. Will these springs work correctly only reason im asking is that i can get em new cheap
Dustin Dillow-Tuned by Dillow's Tuning Solutions
95 Firebird Formula Cam, Bolt Ons, QP 9 Inch 3.50 Gear, Full UMI Rear Suspension, 3700lbs
7.86 at 86.20 mph 1.67 60ft, 7.16 at 99 mph 1.51 60 ft on .063 jet NX Shark Nozzle Single Fogger
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12-22-2012, 04:26 AM #2
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I don't think they'd be too much for a stock lifter, people have used K-800's and Patriot Gold Extremes and they have similar seat pressure and a little more over the nose. Now this all depends on installed height, etc. You might consider throwing +.050 locks on there to lighten up the seat pressure a tad with that XE503. However messing the valvetrain stuff can be fatal if you don't know what you're doing. I'd talk to some professionals, if you're not 100% on what your setup needs.
1994 Z28 383ci - Jake's 4L80 - Moser 9" [LE2 heads and LE cam - 121mph @5500DA]
1995 Corvette 350ci - ZF6 - Dana 44 [GTP heads - XE503 - RamHD]
1997 Ram 2500 - tractor motor - duel spinners - chimnie mod
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12-25-2012, 09:42 PM #3
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I've got patriot gold extremes on stock lifters. They do just fine.
94 Formula Daily Driver LE2s, LE Custom Grind, AZ&M Headers, Borla Catback, 54mm TB, ratty little stall, stock gears, nitrous and new stall on the way. Tuned by gregrob
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12-26-2012, 10:12 AM #4
"The Hammer"
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Stock lifters should be fine unless there's an issue with them already. Where people run into trouble with stock hydraulic lifters, is at really high RPM, where the oil flow into the lifter can't keep up with the motion of the valves. Those springs with that cam should be fine on a stock set of lifters.
"Only in the Corps can you put three guys in a room with an anvil and a rubber mallet, come back 15 min later, and the anvil is broken, the rubber mallet is missing, and nobody saw a damned thing!"
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