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Old 08-10-2013, 02:17 PM
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l69 305 ho ?'s

I have a 85' L69 305 ho, freshly stock rebuild I took it out of a transfer am, and I set it in my 1985 Chevy silverado 4x4, tossed the 700r4 and stock transfer case, and put in a 84' granny 4 speed with the matching transfer case, currently the silverado maintains the stock gear ratio of 3.08's, ok it runs good for just a 305ho but I was thinking aluminum high rise intake (edelbrock performer Rpm Q-jet) to maintain the use of my q-jet and have good runners, and the second thing I have a edelbrock performer plus can, (278/288adv, 204/214@.50,420"/442") will this can be great for this
motor and being and 4x4 too??

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Old 08-10-2013, 03:42 PM
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talk to fbird88 for decent 305 build up knowledge.He really seems to like 305s
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Old 08-11-2013, 07:07 AM
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I looked up the specs on the l69, the site said it came with 9.5-1cr, which I personally don't wont to run more than that, the last motor I built I built it with 10.1cr, and all it wanted to drink was good old 93 octane, I wanta be able to run 87 octane without any problems but my bro said it pinged on 87 in the trans am, so that makes me wonder what kind of pistons he used or did he have some head work done (shave) but the other can I was looking at is the xe262h compcams, I have a pair of headers at my buddy's just gotta get them, yea I'm planning on changing the gears in the future..
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