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5.3 performance

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Old 07-16-2012, 08:36 PM
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Originally Posted by Chevy_King1500
216/220 or 220/220 would be the next step higher, i would go with a street or dyno tune. if there is a tuner close to you.
would i need a stall with a 216/ 220 ? and ALOT of guys go with BB performance but i wana dyno tune and im not sure what to do im in michigan
Old 07-16-2012, 09:12 PM
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I'd need to know the rest of the specs on that cam before offering an opinion.
Old 07-16-2012, 09:20 PM
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Comp cams xtreme rpm xr269hr 216/220 .525/.532 114 lsa
Old 07-16-2012, 09:39 PM
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Yeah, that 216/220 cam would probably work with the stock converter, but I wouldn't go any bigger.
Old 07-17-2012, 06:11 AM
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Originally Posted by batboy
Yeah, that 216/220 cam would probably work with the stock converter, but I wouldn't go any bigger.
WHen u say will probably work what will the truck do if it doesnt work?
Old 07-17-2012, 06:28 PM
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Maybe try to push through the brakes a bit when stopped and perhaps a little doggy at low rpm, nothing serious.
Old 07-22-2012, 03:02 PM
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It sounds like the guys on this forum know what there talkin about. Im also fairly new to LS engines. Ive had my 99 new body silverado for a year now. What I know is from reading what you guys write day to day. Got a questions if you guys could help. I had my 5.3 rebuilt, bored 30 over, heads milled 30 thou, 212 218 low lift cam, and an Inline 6 TB stall converter. I plan to intall efans next. I have HP tuner pro and have been doing all the tuning my self so far. So far its running pretty good but deffinately not what I was hoping for. The tune still needs work but Im thinking about buying a diff set of heads next to add a little more power. Ive heard 02 and up, heads are a lot better then the 99 heads I currently have. Any suggestions on heads or an intake manifold. Or anything else i can do to wake it up a little more while still keeping it naturaly aspirated. Sorry for the huge post.
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