Build, text and photos by Mike Mavrigian . I realize it’s been a while since my last posting of this project’s Part 1 article, but I’ve been tied up with multiple projects at the same time. Since the Part 1 article, I’ve obtained the crankshaft, had the heads finish-machined and assembled [...]
Goodson’s High Performance Beehive Valve Spring Kits are now available for Harley-Davidson Evo, twin-cam and Sportster applications in 5/16”. Features include ultra pure chrome silicon and nickel spring wire and extra processing for fatigue resistance. The new springs resist pressure loss and failure associated with extremely aggressive cams in high compression engines, along with a [...]
LSM’s new valve spring compressor tool is designed specificalyl for servicing both OE and aftermarket LS cylinder heads. Precision Acme lead screw and nut makes spring compressing easy. The tool mounts directly to LS7 style heads. A specially engineered adapter allows mounting to LS1, LS6, LS2 and LS3 heads that feature rocker rails. The tool [...]
LSM Racing Products has announced its new valve spring compressor for GM LS series applications. The new SC-167 compressor tool may be used to service LS1, LS6, LS2, LS3 and LS7 cylinder heads, whether equipped with rocker rails or pedestals.
CORE VALUE: LUNATI’S NEW $225 GOLD VALVE-SPRING KIT FOR GM LS ENGINES Times are lean right now, and especially so for hot rodders on a budget. To address this frustrating inconvenience, Lunati bucks the market with a new LS-engine dual valve-spring kit (PN 73925K1LUN) for about $50 less than competitors. With a maximum [...]
Using my Goodson 1.8″ – 2.6″ valve spring height gauge, we set final spring installed height at 2.150″. The original valve guides protruded a tad too high for adequate retainer-to-guide-seal clearance. Using a 1/2″ guide cutter and an 11/32″ pilot, I cut the guides down by 0.147″. During intake manifold and gasket test fitting, I [...]
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