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putting a turbo on a 302

13647 Views 12 Replies 8 Participants Last post by  michaelreynolds
HI im michael, im building a 302 for my 2.3l fox and i want to eventually put a turbo on it... (its not in my budget right now) but i also want to put some nitrous on it i have no idea what shot. i was wondering what i should do a single big turbo around a 70mm or 2 smaller turbos around 32mm... and on the single turbo how does that work with the headers going into a single collecter. i know turbos are pretty expensive the 70mm t-series from turbonetics is like 1400 (thats more than i have in the entire car including 302) haha but how much am i looking at for total? including piping, headers, turbo, intercooler, blow off valve, blow through carb, and if i forgot anything please tell me... and which is better 2 smaller turbos or one big one? and if anybody has a set up similar with all this about how much horse power am i looking at on spray with roller rockers, edelbrock performer, and 289 heads (smaller combustion chambers) intake and everything listed for the turbo...
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If you are going forced induction I think I would rather have a good set of iron "anchors". That is a lot of power for a 302 and I would feel safer with iron bolted to more iron. I sure wouldnt blow $1000 bucks plus on a set of high flow aluminum heads because flow numbers are not going to be a big factor for you because they should flow whatever the turbo tells them to flow. Just like 25thFox said combustion chamber size should be your main concern.
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