tahoe cam help please
#1
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tahoe cam help please
i don't normally post cam threads but i have a guy at work that wants me to do some work. he has a 01 tahoe with a 5.3l. he doesn't tow or anything like that, and he wants it to lope hard. he has longtube headers, dual 3" exhaust and stock intake mani. he will be doing a 2800-3000 stall converter. i was trying to search to refresh my memory, but i cant find the info i want. if you run a good exhaust/lt but leave stock intake don't you want more of a cam with no split or very little between intake and exhaust? any way i was thinking of a 224/228 lsa110. i figure this would keep the dcr up and lope hard and keep the low end about stock or maybe better. i told him he may loose some low end he said ok cause he don't tow anyway.
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Thanks guys I'll check those out. Does the exhuast need to have such a split from intake if there is going to be a good exhaust but stock intake mani? I'm trying to refresh my memory is all.
#5
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That Tahoe is a heavy beast and the 5.3 will have a hard time getting it moving if you over cam it. I would go with something like a TR220. This cam has a pretty mean lope in a 5.3 and makes good power without pushing the RPM range above where the truck intake falls flat. The 224/228 is a great cam for a 5.3 in a regular cab or something lighter, but I'd keep the duration lower than that for a Tahoe.
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I have a cam here that worked wonders in a 5.7 Tahoe locally. Its a 219/224 111. It was designed for a 5.3 but the guy ended up putting it in an LS1. Crazy bottom end and mid-range torque with killer lope. IMO, anything with a 224 intake lobe will be much too large for a 5.3 in a heavy vehicle such as a Tahoe.
Shane
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The 219 224 looks good or even the 219 233. But it would have to be on a 109 for sure. He wants the "lope". I'm across I'll wind up tuning he lope out of it. I did a 224 224 110lsa in a 4.3 and it idles like there is nothing in it.
#9
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I have a cam here that worked wonders in a 5.7 Tahoe locally. Its a 219/224 111. It was designed for a 5.3 but the guy ended up putting it in an LS1. Crazy bottom end and mid-range torque with killer lope. IMO, anything with a 224 intake lobe will be much too large for a 5.3 in a heavy vehicle such as a Tahoe.
Shane
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My personal favorite is a Comp 218/222 113+4 camshaft I use for all the 5.3 Trucks/Tahoes. It works perfectly fine with the stock converter, makes gobs of low end power for towing, and is easy on springs. It's a fairly low lift cam (.540'ish) so you can use the cheap and reliable 02-04 LS6 valve springs. It requires a 7.425 pushrod on a stock 5.3 engine.
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Well I called eps and went with a 218 222 111lsa on lsg lobes. Should be fun. Going to run a new model 5.3 intake with a cable 90mm tb, long tubes with full 3" exhaust and a 3000 stall. Should run pretty hard I think.
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