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  1. P

    The Stupid Axle Questions Thread

    thanks for the info
  2. P

    The Stupid Axle Questions Thread

    Will the differentials out of a 96 k1500 Suburban (at pullapart) fit a 98 k1500 extended cab? My 98 has 3.42 gears and the 96 has 3.73 gears and larger rear brakes. Both have standard suspension. I am going to church but I will check for reply when I get home
  3. P

    Serpentine belt idler (Vortec 5.7)

    Buy a complete tensioner, the pivot is a wear item also. I have seen them come apart and its usually a disaster. The more they wear, more belt misalignment.
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    1997 350/5 speed clutch line problems.

    My 1986 C10 has a 4.3 with 3 speed manual. I have had to replace both slave and master twice since truck was new. Best way I have found to bleed air out is to force fluid from slave cylinder upwards to master cylinder. I used a large syringe I got at Tractor Supply. I loosened bleeder screw on...
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    Is the EGR. Delete good

    In 1978 I bought a new Z/28, took that nasty EGR off because it had to run better, right? Nope !!! Could not tell any difference in performance and it went from 17 mpg to 14 mpg. Modern engines are a system, unless you modify the engine or PCM program it's better to leave it working as is. And...
  6. P

    Newb, sort of 93 K1500 5 Speed

    Gorgeous truck. The only advice I have is to have fun with it.
  7. P

    Dual batteries

    My buddy added an extra battery to his work truck to run his inverter to charge his 18v drill batteries without having to run the engine. Had it wired to a constant duty relay triggered by an added oil pressure switch to charge it. Just info.
  8. P

    Proform 66668 Diff Cover

    AS my momma used to say," Its not always what you say, but how you say it". You could cast Valve covers from iron and they would work great but be ugly as sin.
  9. P

    Proform 66668 Diff Cover

    I would get it because it just looks good! lol Why would anyone buy aluminum valve covers if not for appearance.
  10. P

    91 octane

    High octane gas has less heat energy(lower BTU content) in it because they use lighter solvents with higher ignition points and slower burn rates. Used to help build refineries, petroleum engineers everywhere that loved talking about stuff like that. The alcohol used in the blend has at best 75%...
  11. P

    88 350 TBI timing

    What he said. TBI heads are high swirl fast burn that don't need as much advance to make power. You may benefit with more timing using high octane gas but not with 87 octane.
  12. P

    Dual Exhaust Question

    A balance pipe or x pipe is always a good idea. It changes the sound frequency so it sounds "better". I had 3" pipes and chambered mufflers on my hotrod, sounded so much better and quieter after I added balance tube. Its not really quieter, it just sounded that way. Especially inside car. A...
  13. P

    UCA to frame torque spec too high?

    Those bushings have a sleeve in the center to limit crush and to act as a bearing surface for the urethane bushing. Of course there may be a slight difference in the length of said sleeve to allow less or more crush to positively locate control arm. Look at directions for install of arms for...
  14. P

    Dual Exhaust Question

    Stocker cams are a special grind. They may have stock lift but you can move LSA angles and LCL around. Plus they are ground with very aggressive ramps, or at least that's what I remember. Also everything else is optimized to the limits of the rules. Valve angles, spring pressures, chamber...
  15. P

    Header bolts-tool suggestions?

    Most small block header 6 point bolts I have used are 7/16" or 3/8" head size on a 3/8-16 thread bolt. You can buy quality socket head cap screws at nut and bolt suppliers that will fit but are a little tedious to install. I have sometimes made a spacer out of small pipe and used a longer bolt...
  16. P

    400 cracked block?

    4 bolt main 400 blocks crack next to the short outside bolts. 2 bolt blocks are pretty bulletproof. I would use the Holley cast aluminum cover as it has dowel holes and provision for crank sensor. Unless you keep it above 3000 rpm all the time, you must drill steam holes in heads. Use a 400 head...
  17. P

    4L60e level

    I had the engine out of mine recently and had a new torque convertor sitting around from a stalled project. Slight increase in stall speed so I changed it. Fluid was a little darker than new so I did a redneck flush( LOL) after I got it running. Has about 225.000 miles, not much metal on magnet...
  18. P

    Newbie Check-in and Question

    On a 4.3 that plug is for the balance shaft under the intake. It's set up like a cam but helps control engine vibration. Cam plug itself is closer to crank and core plugs are to each side of it.
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    Newbie Check-in and Question

    Most Vortec 5.7 Came with brass core (freeze) plugs. Probably intake leak. I used Holley aluminum timing cover on my 383 build, worked great, no leaks. If you install core plugs yourself, drive them in with a driver or back of socket large enough to rest on flange of plug. Its possible to crack...
  20. P

    L29 rebuild - give me ideas

    Don't run it anymore. lol It all boils down to money and time. IF you like to rebuild engines, go for it! A balanced rotating assembly is a good option for a stroker. Good machine shops are getting scarce so find one before beginning project. Make sure block is usable. If time is a factor, buy...
  21. P

    Transmission interchange

    I think the imput shaft on the 300mm o-ring before splines go to the end and the 298mm has a small pilot about 19mm long after splines on the end with the o-ring.
  22. P

    Stock tire pressure

    Door placards recommend pressures at rated Gross Vehicle Weight (GVWR) for tires that originally came on vehicle. Different types and sizes of tires require different pressures. If your like me, 90 % of the time, I am running with an empty bed. So no need to max out pressure most of the time...
  23. P

    Transmission interchange

    There was an option for a higher output 4.3 with a W engine code for a couple or three years. My son has one in a S10 Blazer. Looks similar to 96 up Vortec V6 , intake is aluminum.
  24. P

    What transmission fluid do I use?

    Use synchromesh fluid. GM has spent millions on specs for their stuff, it works. The TKO500 in my Camaro even uses the stuff.
  25. P

    which mild cam for 350 tbi

    I am prone to give things away when I no longer need them. Even if they are new. I hate trying to sell parts or anything else. My Dad taught me to always take freebies even if you throw them away later.( 50 bucks for an engine classifies as a freebie) I am a Pullapart regular and have gotten...

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