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    high rpm's

    I've seen quite a few circle track 350s that are 7 - 8k motors ... balance and the mass of your rotating assembly are the main things.
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    Autometer Wideband O2 Gauge WOT Switch?

    Any chance any of you could point me to a good post explaining open loop, closed loop? apparently I need to reread things.
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    Autometer Wideband O2 Gauge WOT Switch?

    Don't the O2s get cut out at WOT? I know the MAF has the relay on the fenderwell under it that is a WOT cutout is there one for the o2s? Thought maybe thats what he means.
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    gas consumption... plus a bunch of other little problems...

    Looked around and saw 15.4 gals as the tank capacity, yeah a bad O2 can kill your mpg pretty badly, fuel delivery is pretty dependent on the readings from them unless you are WoT and they are cut out of the loop
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    gas consumption... plus a bunch of other little problems...

    Pretty sure fox's only have a 12 gal tank, someone correct me if I'm wrong. The gas level sending units crap out pretty commonly lol I know I've changed a few .. as for the other problems, If it smells like its running rich and still pinging maybe a timing issue I'd double check it just to make...
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    Guess my oil leak?? PLEASE?

    pcv or maybe a rear intake gasket leak?? I'd go spend the 10 bucks or w/e and pick up one of those little inspection mirrors, damn things come in handy sometimes and let you see alot w/ just that and a flashlight without pulling stuff apart.
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    400hp 351w

    Vristang has an awsome writeup on this check out http://www.freewebs.com/vristang/fox351wswapfaq.htm ... helped me get going in the right direction, 69 and 70 blocks are the strongest as you'll see in his writeup, almost sold my 69 block till I read this and decided to build it. :D
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    Torn doors???

    If your talking about a crack at the base of the rear window pillar I had the same crap on my 89 GT (no T tops just sunroof) ... was cruisin down the interstate and noticed as I was getting up to speed I could see daylight through my weatherstripping as the window frame flexed outward. Not sure...
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    supercharger without ac...

    Yay you win the Most useless posts award! thanks for playing.
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    AUTO,yes im thinking auto!

    I have heard that the Baumann ReCal kit and Transgo Hi-rev GOV kit is the best route to go but I personally used the transgo reprogram kit b4 I heard that and am happy with it, at light throttle it won't bang into gears to bad but if you stuff your foot in it you'll be scratchin into 2nd every...
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    4.10 gears...Any opionions?????

    Think stock was 2.73 mostly but was an option to get 3.08s? not quite sure on that though never bought one new :)
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    AUTO,yes im thinking auto!

    Non-lockup is not a very streetable option imo especially since he was talking about highway cruising but just my 2 cents
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    AUTO,yes im thinking auto!

    Well ... for a bit :) have an aod with a fresh rebuild and some upgraded parts/shift kit and high rev gov. its definately fun and I can smoke people pretty damn easy off the line but w/ the combined fact that there is definately a HP loss (debatable how much) w/ an auto and hard shifts into 4th...
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    4.10 gears...Any opionions?????

    If your making any sort of good numbers on power, poppin an AoD into 4th gear at WOT is askin for MAJOR trouble. I have one myself w/ 4.10s and am seriously thinking about just getting my HP up enough to spin the hell outta a set of 3.08s I have set aside.
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    converting my '75 351W to a roller...?

    If you buy the nice lifters with the link bar that are made to retrofit an older block like cranes then thats all ya need, grab any roller cam ya want. You only need to use the spider and dogbones if you were going with the small base circle cam and oem roller lifters.
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    Proform HEI

    Agreed .. everything Proform I have made the mistake in buying was junk.
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    aod vs c4

    Personally I'd say go AoD and build it right .. If your going for a street car keep the OD and just get a hardened input shaft , also do the AODE internals upgrade as baldy said, otherwise if you just want a strip car ditch that intermediate input shaft, go to a 1 piece shaft and ditch the OD...
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    Bolt AND EZ-Out snapped in block.

    Although it is nice to keep original threads where you can helicoils = stronger than original.
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    leaning/alignment

    The springs should be clocked a certain way (not sure if your talking front or rear) big reason in the front is so the drain hole in A-arm isn't covered and in the rear it would effect your ride height a little but not a ton .. not sure how much your leanin. These guys make some spacers to take...
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    5.0 problem

    Do a compression test .. a quick search will give ya lots of posts w/ instructions.