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  1. MikeB

    Lowering just the rear of an 84 c10

    I remember those days, when it was popular to jack up cars in the back. And sometimes using longer shackles to compensate for sagging springs. Cheap fixes for kids on a very tight budget!
  2. MikeB

    Heater fan switch not working

    Are you saying it works on LOW but not on MEDIUM or HIGH?
  3. MikeB

    8 MPG?

    Correct! For a 350, compression with 64cc heads and .043" quench height would be anywhere from 10.0:1 with flat tops (with 4 valves reliefs) to 9.4:1 for a Speed Pro hyper-eutectic with 12cc dish to around 9.0:1 - 9.2:1 for a stock type piston. (I don't recall the dish size, so I'm guessing.)...
  4. MikeB

    8 MPG?

    :D:D:D
  5. MikeB

    8 MPG?

    Well said, and funny!
  6. MikeB

    Rear sway bar

    Well, I ended up returning the Addco sway bar. It's designed for the end links to attach to the leaf spring u-bolts using an adapter bracket, and the center section attaches to the frame rails. Very unusual. However, I could not make it fit after 2-3 hours of trying. Thank goodness I...
  7. MikeB

    350 build advice.Heads,Cam .Etc.

    I just read that you want to use the truck to tow. if that's the case, you'll want something not much bigger than a stock cam, and definitely not 214 degrees INTAKE duration, unless your truck has 3.42 or 3.73 gears. 204/214 on a 110 LSA would work OK, and the 214 exhaust lobe might help out a...
  8. MikeB

    New alternator wiring question

    When I re-wired my 82, I used 8 gauge from ALT to a new junction block on the firewall above the starter. From there I ran 8 gauge to BAT terminal on starter, and another 8 gauge wire to the fuse panel. On another note, I suggest using cross-linked polyethylene insulated wired that is SXL or...
  9. MikeB

    Lowering just the rear of an 84 c10

    Well, most "dropped" shackles raise the rear spring eyelet by 3.5" - 4.0", which equals 1.75" - 2.0" at the axle. So, 2" dropped shackle actually means 2" at the axle.
  10. MikeB

    Lowering just the rear of an 84 c10

    If you drop only the rear of the leaf springs, the pinion yoke will be pointed downward a little more, so you might want to consider pinion shims. On my 82 C10 I installed dropped hangers, but not shackles, and had to use 4 degree shims to get the driveline geometry correct. Also, if not...
  11. MikeB

    350 build advice.Heads,Cam .Etc.

    Yes, even a flat top piston (with 4 valve reliefs) in an otherwise stock 350 (76cc combustion chamber, .038" gasket, and 9.025" deck height) will get you only around 8.5:1 according to my calcs. Decking the block to 9.005" with the same flat top pistons gets you 8.8:1, which is fine for a mild...
  12. MikeB

    Hard to refuse freebies

    Sounds like my wife's Acadia! Only problem I had with my two Volvos was a bad coil on the station wagon, but that must have been at around 100K miles. Had a few tuning problems with the Bosch mechanical FI on the Sedan.
  13. MikeB

    Hard to refuse freebies

    Nice ash tray there on the floor! As for Volvos, we had two 1980 models. My wife's 245 station wagon was actually fun to drive with Michelin radials, 4-wheel disc brakes, and 4 speed manual with electric OD. And some of the best seats I've ever had in a car. Liked it so much that I bought a...
  14. MikeB

    wilwood front brake kit

    You could instead buy their stock replacement D52 caliper and pad kit. https://www.wilwood.com/BrakeKits/BrakeKitsProdFront?itemno=140-11290 Be sure to order the proper kit for your rotor thickness, which is either 1.00" or 1.25". I can say from experience, their DP-10 pad compound works...
  15. MikeB

    What is the worst body work you've seen or done?

    That yellow truck isn't bad at all, compared to chicken wire-reinforced cardboard covered with bondo! Wish I could find that photo.
  16. MikeB

    8 MPG?

    It's more commonly known as "quench height". I always shoot for .040"-.045". Lingenfelter said .050" should be the max, and that .035" is getting close to the safe limit. Stock from the factory on a 60s-90s 350 could have been as high as .070" or more :eek:, depending on actual deck height...
  17. MikeB

    8 MPG?

    A vacuum gauge is a good idea. I've had a couple newer cars over the years with an "ECO" lamp on the instrument cluster that would turn on at high vacuum. Either that or some combination of vacuum and throttle position. As for your horsepower estimate, I have to say it's one of the few honest...
  18. MikeB

    Off the Shelf Exhaust Question

    I'd call or e-mail Heartthrob. [email protected] 320-693-0222
  19. MikeB

    Off the Shelf Exhaust Question

    I used a Heartthrob kit on my 82 C10, although I had to modify the head pipes to fit my later model manifolds from a Vortec engine. It's a very nice kit using 2-1/4" aluminized mandrel-bent pipes, which may be the equivalent of "crush-bent" 2-1/2 pipes. As mentioned above, the stock...
  20. MikeB

    TH350 differences

    Are you sure it's a TH350 behind a six cylinder engine, and not a THM200 or THM200C? I have no idea if the 200-series were even used in late 70s Novas, but I'd certainly want be sure that you're getting a 350. As far as differences between various TH350s, I doubt there would be anything beyond...
  21. MikeB

    LMC Mirrors Chome VS Stainless Whats the difference?

    Craig -- How does the mirror support bracket install? And did you have to remove the window glass to mount it? Also, any issues with a truck that did NOT have this type of mirror from the factory?
  22. MikeB

    8 MPG?

    Assuming your engine is stock, 15" is low. Should be closer to 20". Heck, even with a moderate performance cam, my 355 will make 18-19" at idle. Have you checked for small vacuum leaks -- at both ends of vacuum hoses, EGR valve (if equipped), carb gasket, distributor canister, etc? As for...
  23. MikeB

    8 MPG?

    Dual exhaust thru low restriction mufflers? Heat riser valve working properly? If using a cat converter, is it fairly new? Are mechanical and vacuum advance working properly? A total of approx 45 degrees at low-load cruising speeds will help economy. That's initial + mechanical + vacuum.
  24. MikeB

    Wiring issue.....Weird problem to me

    Looks good.:favorites13: Please chime in here. I'm sure the OP can use more advice.
  25. MikeB

    Wiring issue.....Weird problem to me

    I did the same thing, and it was not a trivial job. I did make several modifications, such as feeding the fuse panel with an 8-gauge wire. I also found wiring the instrument cluster and the wiper/washer to be a real bitch. Mostly just trying to understand the factory schematics and connector...

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