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I would think that RPM range is probably in a longer stroke 454, also an 8 degree split may be better.
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Just a thought, Lunati Retro-Fit Hydraulic Roller Cam. High performance street cam. Likes upgraded intake, carb and exhaust. Needs 2800 RPM stall converter in most cases. Requires 9.5:1 compression for maximum performance.; Advertised Duration (Int/Exh): 282/290; Duration @ .050 (Int/Exh): 231/239; Gross Valve Lift (Int/Exh): .600/.600; LSA/ICL: 110/106; Valve Lash (Int/Exh): Hyd/Hyd; RPM Range: 2200-5800; Includes: Cam Only
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Originally Posted by GPM
(Post 4769520)
Just a thought, Lunati Retro-Fit Hydraulic Roller Cam. High performance street cam. Likes upgraded intake, carb and exhaust. Needs 2800 RPM stall converter in most cases. Requires 9.5:1 compression for maximum performance.; Advertised Duration (Int/Exh): 282/290; Duration @ .050 (Int/Exh): 231/239; Gross Valve Lift (Int/Exh): .600/.600; LSA/ICL: 110/106; Valve Lash (Int/Exh): Hyd/Hyd; RPM Range: 2200-5800; Includes: Cam Only
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Lunati, SKU
20010712 |
show it for a GEN 6
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I ran the hydraulic flat tappet version of the 231/239 110 lsa in a mild 454, nice idle, pulled right to 5400, shorter stroke 427 should go to 5800 easy.
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Originally Posted by F-2 Speedy
(Post 4769523)
show it for a GEN 6
20110712 |
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Originally Posted by F-2 Speedy
(Post 4769458)
Ive not built one of these in years, can the step nose cam fit ? I see in the front of the block that it looks like its machined for the retainer ring but not sure
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Originally Posted by mike tkach
(Post 4769548)
yes, i put gen 6 step nose cams in mark 4 blocks all the time.you use a gen 6 timing chain&gears and a gm cam retaining plate.i have the gm part number for the plate&bolts in the shop and can list them tomorrow.
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