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  1. gpmorgan

    Basic TBI mod success

    I just recently installed a 92 tbi, that came out of my truck when it was new 102k miles, into my sons 97 Tahoe. Put a set of headman elite headers, under drive pulleys, electric fan, cast iron gm performance high rise intake, and get this, a 750 double pumper holley I had laying around. Woke...
  2. gpmorgan

    75-79 Saginaw PS Pump Brackets for BBC

    I feel your pain on throwing money at it. I spent over 500 on pulleys and brackets designed for both small and big blocks. I had to add flat washers to get alignment, grind the pump to get belt adjustment, and add bracket to the block to keep the belt tight. The brackets you have are a better...
  3. gpmorgan

    75-79 Saginaw PS Pump Brackets for BBC

    Looks like you need to take the current brackets off the pump and remove the stud on the back and use 3/8 bolts.
  4. gpmorgan

    Best carb for stock 454

    I would agree if its unmolested.
  5. gpmorgan

    Best carb for stock 454

    Definitely keep your engine clean running propane.
  6. gpmorgan

    Cam Recommendation

    I ran the same combo you are describing for 15yrs. Ported camel hump heads with a comp 294s cam and valve train. 10 to 1 compression. I ran a 750 mechanical secondary carb and a 410 gear with a 700r4. If you are going to use a fi throttle body, read up on it and pay attention to what lobe...
  7. gpmorgan

    Shade tree gear change

    I have a 1992 10 bolt I changed from a 308 pegleg to a 410 limited slip. Eaton carrier and richman gears. Used factory shims from original setup. Worked flawless. Used die grinder to remove pinion bearing to get shim out, so no press was needed. Ran for several years untill I changed my setup...
  8. gpmorgan

    "High performance" ... pushrods?

    Push rods become more critical when using full roller and roller tip rockers. You need the right length so the valve geometry is correct. You need the roller staying as close to the center of the valve tip as possible through its cycle. Don't waste your money on 2 piece pushrods if you use...
  9. gpmorgan

    1987 C30 454 TBI to Carb Swap

    I think, not 100% sure, you can put a rod and pump on it. I would question it having a lobe on the cam to run the pump.
  10. gpmorgan

    Help plz Low Rpm Engine Knock

    I would also suspect the flex plate.
  11. gpmorgan

    350 to 454 advice/help?

    Everything should interchange except exhaust.
  12. gpmorgan

    5.7 vortec swap need help/advice

    We added a tps from tci that hooks up like a tv cable to the carb. Got a timing cover with the crank sensor provision and installed a single row timing chain. Everything else is still hooked up minus some of the engine (fuel) sensors. Changed fuel pump to tbi pump and run a bypass regulator.
  13. gpmorgan

    Installing Eaton true trac

    I used the tru-trac with the clutches in the ones I did. Both were 10 bolt. I'm really pleased with the way they work.
  14. gpmorgan

    Installing Eaton true trac

    I see he was wrong about the factory shims. I've done two of these rear ends and used the factory shims on both and had a lot better looking gear pattern than that.
  15. gpmorgan

    5.7 vortec swap need help/advice

    My son and I recently did just the opposite of what you are trying to do. Removed 5.7 vortec and replaced it with a carb'd 355. It is a 97 tahoe. We used the original trans, 4l60e.
  16. gpmorgan

    Tire for 15 x 8 Rally Wheel

    255/70/r15
  17. gpmorgan

    What have you done to your square lately??

    Just finished motor swap in my son's 97 Tahoe. Took out the vortech 5.7 and put in a carbureted 355.
  18. gpmorgan

    Leaking intake manifold.

    Throw those end rubber gaskets away. Use red or black high temp rtv in place of the rubber. Squeeze out about 1/4 in bead on the block. I usually put a thin layer on the water ports, front and rear also.
  19. gpmorgan

    Headers

    Headman elites are a good choice. I've had a set on a sbc and bbc. I like the thick flanges. No leaks.
  20. gpmorgan

    Ready to build some real power?

    Yeah, that's .750 lift for a small block. Holy moly!!
  21. gpmorgan

    Ready to build some real power?

    What size throttle bore do they have. That would be a 2 barrel. May need more air to support 500 ponies. ???
  22. gpmorgan

    Head gasket but strange?

    If it's got clean oil under it now, I think humidity caused the milky oil on the ground. Ironically, I saw this same thing under my truck yesterday but it was from trans fluid. It will happen from cold to hot temps outside.
  23. gpmorgan

    Head gasket but strange?

    I've seen this before and I agree with the condensation on the ground theory, especially this time of the year.
  24. gpmorgan

    75 454 Holley issues

    There is plenty of info on the internet to tune that carb. I would start with making sure the primary throttle blades aren't open to far rendering the idle mixture screws useless.
  25. gpmorgan

    TH400 Suggestions?

    https://www.summitracing.com/parts/hup-34-1x Sorry. Try this.

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