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  1. F

    4.10 to 4.56 or 4.88

    1986 K10. 290hp 350 with mild cam and headers. 700r4 trans. 4" lift 35" tires. Currently running Dana 44 front, Corp 14 rear, both 4.10 gears. Gutless wonder constantly hunts between 3rd & 4th on even the slightest inclines. Prolly due to about 2k rpm. Frustratingly anemic and 6-8mpg...
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    290hp 350 heads upgrade?

    Hi fellas, back again after a summer of mostly messing with my car... But I did spend some time with my truck....summit brand ceramic long tube headers! And while I was at it a high torque mini starter...totally worth it for the money and clearance. Anyway as some of you remember I did...
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    Power window separated relay

    On a FB page I was seeing allot of chatter about adding a separate relay for each window switch, thereby increasing the overall function of the I does and it operates very fast and smooth like a modern day vehicle......this particular chat was about a suburban but..... Anyone know anything...
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    Retro Ads

    Just cause...
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    Inner fender replacement?

    Both inner fenders rusting out at the triage piece with three bolts...whatever the hell they thought that was good for I'll never know! Anyway do I have to remove the whole outer fender too or can I just replace the inner?
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    Hooker Super Comp Headers

    Noob question. I bought a set from a guy who says they were bought for a 350. I see Hooker has many different models. Other than the super comp badge I see no markings. How do I know what model they really are? How do I tell what shape copper gaskets I need? How do I know what...
  7. F

    700r4 Park shift & grind

    Totally rebuilt tranny. Randomly grinds (quick second worth of time) into gear when shifting into Park (bout 3x in a month). Now yesterday wouldn't hit Park...started Rollin down incline. So ran shifter thru gears then back into Park. Still kept rolling. Parked on flat spot, drove a few...
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    700r4

    Totally rebuilt tranny. Randomly grinds (quick second worth of time) into gear when shifting into Park (bout 3x in a month). Now yesterday wouldn't hit Park...started Rollin down incline. So ran shifter thru gears then back into Park. Still kept rolling. Parked on flat spot, drove a few...
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    Mystery vibration

    Starts at 65mph and steadily increases until 70mph then stays constant. Feel it in my feet and can see it in rear view mirror as everything is vibrating in the mirror. Hubs unlocked Ball joints new u joints all good Let go of wheel and travels in straight line Wth!?!
  10. F

    Th350...th400...700r4

    290hp 350, 4" lift with 35s and 4.10 gears. Which tranny is best to use? Just smoked my 4mnth old tranny due to poor installation. Passenger side bell housing bolts vibrated out or loose or broke off so tranny was separated by 1/8" and it tore itself and converter up. Had a 700r4 and...
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    Darnedest thing....sudden stop

    Driving for 15min...cruising around town....truck dies at the red light. I was stopped and a couple seconds later....dead. Of course 8300 people behind me. Turns over but won't fire! I pump like hell & keep trying. Choke light on. Pop hood...make sure choke wire didn't fall off...get back...
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    Door adjustment

    Sagging doors that don't close well. I adjusted striker to hold it shut so body panels and body line all lined up (by the way only jus loosen the striker enough to slide it around...not necessary to totally loosen), but it was hittin the striker hard cause it was sagging and pins/bushings were...
  13. F

    Secondaries no help

    1406 edelbrock. When my secondaries should be kicking in nothing additional happens. I have no power gains or ability to keep pullin to a higher speed. I'm wondering if my secondary jets are too rich (rich bog) or lean? I can roll the tires off the line and it pulls hard up to the point of...
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    Door won't close

    Passenger side door closes and latches but I can still push it from outside in about 1/2 inch....like it's not catching all the way??? It just started this today? So it's closed and u cannot jus pull it open....but if u push on it it feels like u didn't close it all the way....if that make...
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    Edelbrock WTH!?!

    Driving around for hours...life is good. Parked for a while and went out again. Got about 2 blocks, smelled glass horribly and truck died. Wouldn't start up. Pulled air cleaner and watched gas pouring out passenger side where choke spring tab sits and then gas bubbling out drivers side...
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    Aluminum rear drive shaft

    Anyone??? What, why, from where and how much?
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    Hooker Super Comp Headers Help!

    Just bought a set in great condition on eBay. Long tube. $99 + $20s/h. They are bare metal so I need to coat. Question...I have no clue what kinda of a PIA they are going to be to install....any pics to help? What new brackets will I need? What will be in the way? I want to do this...
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    Post cam install blues

    New cam springs & lifters are in. After 45 mike drive started a horrible shudder in lower rpm range.....missing. Replaced all plugs. Pass side good. Driver side 1-3 gas on em and some carbon, 5 fine, 7 very wet and lots of carbon. Ran perfectly for 125 miles. Started to stumble when moving...
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    Cruise Control Linkage adjustment

    So what are the rules for adjusting this linkage? My CC has never worked right, but it has worked. Just slows down 5 mph etc. so, at WOT should it push in as far as it can on diaphragm or what? Should there be some slop when not on pedal? I just don't know what rules there are to set it...
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    Valve covers

    Question: do I need a breather port on passenger valve cover? Drivers side valve cover...one port for vacuum line. Passengers side...one for breather one for fill cap. Trying to find better than factory thicker aluminum cover...I'm on my third factory warranty set and keeps leaking...but all...
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    290hp 350 Cam Replacement

    Ok, the gutless wonder has finally pushed me too far. All my research shows basically the engine is a problem from day one due to GM grabbing mismatched parts etc etc...so my first step is a new cam. Comp Cam XE256H is apparently the way to go...I know jack about this stuff but that seems to...
  22. F

    700R4 issue

    On the highest, at 60-70 mph cruising, when I come to a point that I have to slow down,,,a machine gun vibration starts...can feel it in the whole truck and it's not a slight vibration either. So then if I shift it out of overdrive it runs fine, no slow down vibration. Stopped at a red light...
  23. F

    Powertrax Lock Rite locker?

    Yes or no? Seems ok to install and good pricing. All online research shows positive feedback...any good reasons not to? Anyone using one?
  24. F

    Bad Bad Bad...Bad Vibrations

    At 65mph a vibration starts from underneath. At 70mph is quite loud (loud enough to hear) and the rear view mirror is shuddering. It is constant and increases in volume gradually and then decreases gradually and then increases gradually and then...you get the idea. This started after I...
  25. F

    Headers...plug n play???

    '86 350 with AC. What headers are going to be plug and play with no mods and still get to my plugs without a major issue?

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