What are the main bolt torque specs on this 6.0L LS build sheet?

Mains torque is listed as 60 ft-lb inner, 50 ft-lb outer, and 20 ft-lb side bolts, using moly lubricant.

What is the rod bolt torque specification?

Rod torque is listed as 75 (ft-lb) with moly lubricant, for Callies Ultra connecting rods with a 6.125 length.

What piston ring end gaps are recorded?

Top ring .022, second ring .014, with a standard-tension oil ring. The rings are Total Seal - Diamond type.

What crankshaft and bore size are used in this build?

A Callies 3.800 crankshaft with a 4.030 bore size, at 8.7 compression.

What is the deck clearance noted on the sheet?

Deck clearance is +.004, noted as 'in the hole.'

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6.0L LS Engine Build Sheet - Callies Crank & Rod Specs, Main/Rod Torque Values

Tyler Crockett Marine Engines LS 6.0L build spec sheet: 4.030 bore, 8.7 CR, 75 lb-ft rod torque

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Engine build spec sheet from Tyler Crockett Marine Engines for an LS 6.0L: 4.030 bore, 8.7 compression, Callies 3.800 crank and 6.135 rods, rod torque 75 lb-ft.

AI caption September 2013 · Photo 13 of 34

This is a handwritten engine build specification sheet on a Tyler Crockett Marine Engines form, dated 11-6-12, for customer James Cline, covering a 6.0L LS engine. It records key machining and assembly measurements: a bore size of 4.030", 8.7:1 compression ratio, Total Seal Diamond piston rings with ring end gaps of .022" (top) and .014" (second) plus a standard-tension oil ring, and a deck clearance of +.004" 'in the hole.' The rotating assembly uses a Callies 3.800" crankshaft and Callies Ultra connecting rods with a 6.125" length. Fastener torque specifications are noted: main bolts at 60 ft-lb inner, 50 ft-lb outer, and 20 ft-lb side bolts using moly lubricant, and rod bolts at 75 ft-lb with moly. Main bearing clearances are recorded for all five main journals in a shorthand notation (values in the .0022–.0031" range by superscript). Many fields on the form (piston size, head type, chamber cc, valve sizes, stroke, end play, run out, side clearance, wrist pin clearance) are left blank. A reader can learn the specific torque values and clearances used in this custom LS 6.0L build.

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Frequently asked questions

What are the main bolt torque specs on this 6.0L LS build sheet?: Mains torque is listed as 60 ft-lb inner, 50 ft-lb outer, and 20 ft-lb side bolts, using moly lubricant.
What is the rod bolt torque specification?: Rod torque is listed as 75 (ft-lb) with moly lubricant, for Callies Ultra connecting rods with a 6.125 length.
What piston ring end gaps are recorded?: Top ring .022, second ring .014, with a standard-tension oil ring. The rings are Total Seal - Diamond type.
What crankshaft and bore size are used in this build?: A Callies 3.800 crankshaft with a 4.030 bore size, at 8.7 compression.
What is the deck clearance noted on the sheet?: Deck clearance is +.004, noted as 'in the hole.'