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  1. Majoraslayer

    How to Put a Vortec Motor in a TBI Truck

    I forgot to mention it, but I decided to swap to the two-piece aluminum accessory brackets since the big steel bracket supposedly has a reputation for cracking. Several years ago I had picked up a set from a junk yard and never installed them, so having it all apart for this build seemed like...
  2. Majoraslayer

    Broken Lifter Spider Mounting Hole

    I called around, there are no shops or metalworkers around me willing to braze cast iron. I can barely weld, much less do all the meticulous work to braze cast iron correctly myself. If this doesn't work, then it's going to require a block replacement either way. It's made it really hard to...
  3. Majoraslayer

    How to Put a Vortec Motor in a TBI Truck

    After taking a break for a few weeks from my project, I'm back again. If anyone has done this conversion with a GM Performance Parts intake (or possibly any other conversion intake), how did you set up your accessories' rear support rods? They stabilize the accessories to reinforce the...
  4. Majoraslayer

    Broken Lifter Spider Mounting Hole

    I didn't give up completely, but I've taken a break and slowed way down on it. I've needed help figuring out some things, but I've kinda ended up nervous to ask for help here. Every time I do, it seems like the critical responses I get make me obsessively second-guess every single thing I ever...
  5. Majoraslayer

    Adding Cruise Control To 1988 K1500

    Several years ago I added cruise control to my 1988 K1500, using parts pulled from a junk yard. It never worked quite right, and eventually I figured out that I had incorrectly connected the speed signal to the cruise control module. Instead of the buffered signal it needs from the DRAC, I had...
  6. Majoraslayer

    1993 LT1 Swap Into 1988 K1500

    Yeah accessories are getting increasingly pricey all over, and they add up quick if you need them all at once. That was a big deterrent for me, it was hard to swallow that cost when I already had a complete set of TBI-bracket-compatible accessories in good condition. If the Corvette...
  7. Majoraslayer

    1993 LT1 Swap Into 1988 K1500

    I ended up abandoning this route and am trying to resell the LT1. When I weighed my options for the costs involved with adapting accessories, plus modifying the cooling and fuel systems, it ended up not being worth it to me compared to upgrading my existing TBI block. The whole project has...
  8. Majoraslayer

    Used LT1 350 Camshaft Swap Into Truck Block w/Vortec Heads?

    I ended up abandoning the LT1 cam about a month ago, the scoring on the bearing surfaces plus a couple of odd wear spots on two lobes were too bad to reuse it. Instead I picked up a Summit 8800 cam per L31Man's suggestion, and it appears to be more in spec with what stock Vortec heads can...
  9. Majoraslayer

    Torque Specs For GM Performance Parts TBI-to-Vortec Intake

    The carb stud idea is genius, that would have saved me a ton of headaches over the past 10 years. I've always struggled with intake gaskets for one reason or another. Is the Gasgasinch what you use as the extra sealant around the water jackets as well?
  10. Majoraslayer

    Torque Specs For GM Performance Parts TBI-to-Vortec Intake

    As always, no one in my crappy little town stocks what I need, so I guess I'll buy another set of intake gaskets online to replace these. Again. It's wild that the paper gaskets are somehow even more expensive than the plastic ones. EDIT: I went ahead and ordered the Edelbrock 7235 set from...
  11. Majoraslayer

    Torque Specs For GM Performance Parts TBI-to-Vortec Intake

    I picked up a pre-owned GM Performance Parts TBI intake for Vortec heads, so it didn't have any paperwork with it. An Edelbrock Vortec intake install manual I found online says to torque to 11 ft-lbs, so I used those instructions and the torque sequence that was included. However, I'm seeing...
  12. Majoraslayer

    Air pump?

    I'm in TN, so I'd say a lot of them around here just straight up got deleted as well.
  13. Majoraslayer

    Air pump?

    I'm curious what trucks even had them. I've always wondered what the empty spot was on my accessory bracket, and of the several junk yard trucks I've pulled parts from I'd never seen one of these pumps in person. The only place I've ever seen one was online pics of engine bays, and this thread...
  14. Majoraslayer

    Manual Vs. Automatic Knock Sensor

    That makes a lot of sense. I have an early ECM truck, but he had a 1995 truck pulled up because I was also buying the later small starter. It may have been showing him details specific for the PCM-era '95 where the knock sensor depends on transmission type, while I had my '89 truck pulled up on...
  15. Majoraslayer

    Manual Vs. Automatic Knock Sensor

    Just stopped at AutoZone for a new knock sensor. They had a sensor listed for $37 and one for $57. When I asked for the $37 sensor, the counter guy said it was for a manual transmission truck. Do the manual and automatic 88-95 trucks really use different knock sensors? What's the difference and why?
  16. Majoraslayer

    350 tbi to vortec conversion

    Yes to accessory brackets and exhaust manifold. No to intake manifold, it won't directly fit on Vortec heads due to the mounting holes being drilled differently and a lack of the EGR plumbing your factory TBI intake uses. You'll either need the GM Performance Parts TBI intake, or a carb intake...
  17. Majoraslayer

    Broken Lifter Spider Mounting Hole

    At this point I'll just be satisfied if it just drives to the junk yard I guess.
  18. Majoraslayer

    Broken Lifter Spider Mounting Hole

    It's on an end boss, not the middle boss. If it were the middle one I don't think it would have been nearly the headache. I could be wrong, but I have trouble picturing a scenario where the battery terminal would fail. With the clamping force applied and the piece locked in with the threads...
  19. Majoraslayer

    How to Put a Vortec Motor in a TBI Truck

    I've not seen this directly addressed yet, how does Vortec compression stack up against TBI compression? Specifically the reason I ask is that I see different starter part numbers listed for my '88 TBI truck than the later Vortec trucks. Reading another thread on here, I saw that high-torque...
  20. Majoraslayer

    Broken Lifter Spider Mounting Hole

    I did consider that, but in my experience a lot of hose clamps seem to strip pretty easily before even having the grip strength to cut into a rubber hose. I felt like this would have a lot more grip for something that needs to function like a solid piece of metal. Not trying to argue that my...
  21. Majoraslayer

    OEM Valve Cover Differences

    Being discontinued is probably why it was missing from the sites I checked (Amazon, Auto Zone, Advance etc.), but Googling by part number does show several sites that list it. I'd say a lot of people have added or removed them over time, or swapped valve covers altogether, depending on their...
  22. Majoraslayer

    OEM Valve Cover Differences

    For once this isn't a practical question, just satisfying a personal curiosity. Most of the engines I've seen in these trucks have an oil cap mounted directly on the valve cover, but occasionally I see OEM valve covers with a neck that sticks up at the oil fill. I've seen it more on Vortec...
  23. Majoraslayer

    Broken Lifter Spider Mounting Hole

    That would definitely be a great idea, but I kinda got ahead of you. Actually I did go back and add some reinforcement using inspiration from everyone here: I added some red Loctite to the battery terminal clamping bolt to make sure it stays secure, and I used blue Loctite on the top retention...
  24. Majoraslayer

    Broken Lifter Spider Mounting Hole

    Get ready, here comes your "it's so stupid it doesn't deserve to work, but it does" of the day. The piece broke clean, so I was able to clean everything really well and just set it in place like a puzzle piece. After grinding down on a spare battery terminal to eliminate the inner bevel and...
  25. Majoraslayer

    Broken Lifter Spider Mounting Hole

    This comment got buried, but in response to it, nothing else has been done to that hole except threading a bolt into it. No extractor, no drilling, in fact I was tightening the bolt with just three fingers. I took the pic without having done anything else to it, because I wanted to post here...

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