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Have fun with it.Start putting a spreadsheet together using summits website. It will make for a good tracking sheet and record for your build. Summit stands behind their products and are good to deal with. Trust I've dealt with other lousy distributors and summit will price match.I would hold off on brand loyalty and speak in specifics about specific parts you are questioning. For example, Edelbrock is a good brand however they do not make all of their own parts so an Edelbrock camshaft might be good but their shock absorbers not so much. Mic everything up and record your measurements so you order the right parts. Maybe post your build sheet and then ask for opinions.
Don't buy any parts until after you tear it down for inspection and measurements to determine the engine's state of wear and whether any machine shop work will be necessary. That way you procure the parts you actually need in a cost effective manner and avoid unnecessary delays waiting to exchange stuff you can't use. Take plenty of pictures as you progress to help with reassembly.
Also, measure everything a couple times. Get a mic/caliper and some Plasti-gauge. The firsts motor I ever built, I read the mic wrong and ruining the bearings. Also I like the permatex ultra's for sealants. It doesn't stink like the regular and the untra supposedly has better oil resistance. Use rubber gaskets when available. And if you need a new oil pan, Moroso has been the highest quality I've used. I got a factory replacement Zinc coated one. It was awesome. Has a better oil drain bung/plug so you can actually drain every drop and even had a magnetic plug with copper washer. It had the flattest, most true fit of any I've used.
I usually use Jegs too....they price match anything and it gets to my door next day, since I live in southern Ohio. BUT competition products has a way bigger engine parts selection and they're they only ones I've seen carry the direct lube cam kits with the warranty. The engine parts Catania about an inch thick. Anytime I'm placing an entire parts order, they're who I use. Anything else, I use Jegs. You definitely do not want to re-use a cam or lifters. It's almost mandatory to replace them, if they've got any mileage on them at all.