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  1. ht89

    I Need More Fuel

    I have a Gen 4 / 5.3 swapped into my 94 OBS. The DOD, VATS and downstream O2 sensors have been deleted from the E38 ECM. I paid a local guy who charges $500 for dyno tuning 200 for the bench service to get me up and running... He'll charge the balance of $300 when I bring the truck back for a...
  2. ht89

    Media Blasted Aluminum Heads

    I got my heads back from the machine shop and was surprised to see that they had been blasted. It's the first time I've had aluminum heads redone by a machine shop... is this normal?
  3. ht89

    94 RCSB Off the Frame

    What can I replace this with? It's the (mostly deteriorated) mat between the interior side of the fire wall and the A/C-Heater box.
  4. ht89

    What Is It...

    ...and what can I replace it with? It's the (mostly deteriorated) mat between the interior side of the fire wall and the A/C-Heater box.
  5. ht89

    Oil Cooler Line Connections at the Radiator

    I've got a new OEM radiator for my 94 C1500 / 5.3 LY5 swap and want to use 6AN fittings to connect the engine oil lines to the radiator but I can't figure out what thread size the radiator inlets are. Does any one know the radiator Engine Oil Cooler thread dimensions for 1994 GMT-400?
  6. ht89

    Which is Better?

    I'm currently planing out the exhaust system in a 94 SCSB with an 07-08 5.3 / LY5. I've narrowed my options as follows: A long tube set up with a 3" Y pipe and a single muffler. My local jurisdiction does not have smog check restrictions so I'm thinking I'd go with out cc and a single 02...
  7. ht89

    Long Tube Header & Y Pipes that work in OBS Trucks with LS Motors

    I'm in the process of a 94 SCSB, 2 WD frame off restoration. The sheet metal is at the shop for paint. I've got the frame back together with a 6 lug swap using the 14 bolt, light duty 2 WD 2500 truck rear end and front rotors. The 07 LS motor is installed w/o the cast iron exhaust manifolds. I...
  8. ht89

    C10 Door Handels

    On more than one occasion Crack Heads have tried to illegally enter my truck by jabbing a pry-bar under the bottom of the exterior handle trim and door. I want to customize an alternative to the OEM handle to discourage such behavior. I know about shaving the door and using a door popper, but...
  9. ht89

    Does Anyone Know...

    if an interior (i.e. dash board) from a 94 Blazer swap into a 94 c1500?
  10. ht89

    Missing Numbers

    How normal is it that there are no numbers on the left front of an engine block? The casting number on the right rear is 10243880.
  11. ht89

    I'm in need of some Education

    I don't know @#$% about engine performance... so I can't understand why someone would put 305 TBI heads an a 5.7 Vortec (10243880) block? The motor (none of which is original to the truck) is out of a 94 SCSB Silverado, 8th digit VIN = K. I picked it up for an LS swap / frame-off restoration...
  12. ht89

    I'm in need or Education

    Please disregard this double post
  13. ht89

    Numbers on my vortec block ???

    I've noticed a series of small computer etched numbers on the driver's side of my block, between the #3 & 5 cylinders close to the cylinder head. The number is 161 1239. There's also a larger 880 cast number on the same side below the #5 cylinder. I can't see the other locations where the...
  14. ht89

    TBI heads on 5.7 Vortec short block

    About to buy this Craigslist truck: https://limaohio.craigslist.org/cto/d/spencerville-1994-c1500/6813442161.html I talked to the guy who says the truck has a 98 Vortec short block with 94 TBI heads, TBI intake and original wiring harness and ECM. This was suppose to save on the cost of a...

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