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After installing a 224/224 LSA114 cam and trying to quieten the sewing machine sound on my C5 by replacing push rods and roller rockers, this what I'm settling for.
Motorheads says it sounds normal to great.
Cam sound with 1.7 roller rockers..7.425 push rods
Now I'll just drive it like I stole it.
awesome sound. I'd love to see some dyno graphs/numbers if/when you get them.
Did not get the 400 RWHP like I wanted, but close to it, 397. I may be closer since I removed the MAF screen and installed the Harland Roller Rockers.
Here is my Dyno sheet after the LG headers were installed..
sorry the sheet is sort of blurred.