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  1. 9

    5lm60 to nv4500 swap

    What all is involved? Do the cross member or drive shafts have to be altered? My truck is a 1990 K1500 with a 350(tbi) 5LM60, np231 and 14 bolt sf. Would it be easier to find an early nv4500 so I keep the external slave?
  2. 9

    Fuel pressure regulator & gauge

    Recommendations for AFPR and gauges that are installed relatively easily? Would like to ensure that I'm getting adequate pressure and to have the ability to adjust pressure to make the most of modifications and tuning. Thanks
  3. 9

    Intermittent SES light after header install

    SES light Have had a SES light come on two separate occasions since installing long tube headers. Currently running open headers(exhaust is getting fabricated on 8/18) light shuts off after stopping at a red light or stop sign. Is it possible that my O2 sensor isn't staying hot enough? Would be...
  4. 9

    Long tube headers & dipstick tube

    After many failed attempts and 2 broken oil dipstick tubes, I was unable to successfully reinstall the oil dipstick tube with the longtube installed. I ended up removing the header to reinstall the factory dipstick tube and now I'm wondering if I'm going to have issues reinstalling the header as...
  5. 9

    Oil dipstick tube reinstallation

    Had to remove my dipstick tube in order to install my passenger side header. Cannot get the oil dipstick tube to "seat" completely into the block/oil pan. The flare/flange is approximately 1" from contacting the block. I installed it from the top with the starter in place. What am I doing wrong...
  6. 9

    2wd 14bolt sf z71?

    Hoping to replace my 10 bolt with a 6 lug 14 bolt sf. Found one for sale ~4 hours away. Seller claims it is from a z71 3/4 ton. Was wondering if there is any possibility it is a 2wd unit? I need a 4wd unit. Is there any way to tell? Also, will my stock ebrake bolt up to a 14 bolt? Thanks...
  7. 9

    Top end component selection

    Building a 383 or 406 in the future. Truck will be used primarily as a summer driver with occasional towing and off roading. Truck: 1990 K1500 regular cab/short bed Transmission: -NV4500 Rear axle: -14 bolt with 3.73 gears & limited slip Short block: -4 bolt...
  8. 9

    6 lug 14 bolt semi floater

    Started doing some research on the 14 bolt rear ends as I plan to replace the factory 10 bolt in the coming months. Ideally, I'd like to end up with a 6 lug 14 bolt with 3.73 gears, a Detroit locker and disc brakes. I still have a few questions: -Would it be beneficial to find a factory G80...
  9. 9

    Cannot bleed clutch hydraulic system....Please HELP!

    Replaced the leaking slave cylinder in my truck. Installed it "dry." Hooked everything back up like it should be and began to bleed the system using my mityvac. Pulled nearly 12fl of of fluid through the bleeder valve and was still getting lots of air bubbles and the clutch pedal had little to...
  10. 9

    Slave cylinder gasket/ o ring

    Slave cylinder started leaking a few days ago. Went to replace it and found that the gasket/ o ring that goes between the slave cylinder and transmission "dust cover/access panel) was only 3/4s there. I'm thinking that's probably why I'm leaking. However, the new slave cylinder did not come with...
  11. 9

    EGR delete

    What is involved in deleting EGR from my 90 K1500 with the 350tbi engine? Is it as simple as buying an EGR delete plate and/or new intake manifold? Also, would it be correct to assume that deleting EGR will cause a check engine light? Thanks, Eric
  12. 9

    Air conditioning after a carb swap?

    I thought I read somewhere that the AC is controlled by the ECM. Anyone have any experience with this? Truck is a 90 K1500 with a 350tbi and 5 speed. Thank you, Eric
  13. 9

    Stainless long tube headers

    -90K1500 RC/SB -350(tbi) -5LM60 5 speed -NP241 -3.73 posi 10 bolt I want to install long tubes with 1 5/8" primaries and 2.5" collectors into a true dual 2.5" system. However, I'm also considering long tubes with 1 5/8" primaries and 3" collectors into a single 3" system. I cannot seem...
  14. 9

    Rebuild with upgrades

    Planning on running 062 vortecs, comp cams xe262 and an Edelbrock rpm air gap for vortec heads on my stock bottom end (L05) most likely doing .030 over). Is anyone running this or a similar combo? If so, what kind of HP & torque #s are you seeing? I will most likely be ditching the TBI and...
  15. 9

    350 tbi headers compatible with vortec heads?

    Looking to upgrade the entire exhaust system (headers,y pipe, cat, muffler etc) on my 90 K1500. However, I intend to install vortec heads when the engine needs rebuilt. Will headers designed for the L05 work with vortec (L31) heads or should I just wait and do both upgrades simultaneously...
  16. 9

    Power charger with open element

    Is anyone currently running this setup? Does it fit or require modification? I have a k&n 14x3or4" open element. Thanks, Eric
  17. 9

    SMOG/AIR INJECTION= check engine light?

    I'm sure this has been asked before but I cannot find a clear answer. I'm looking to install a full exhaust (headers, y pipe, cat and catback) on my 90 k1500 and I do not want to spend the extra money on air injection equipped headers. I also would like to clean up the engine bay. Will removing...
  18. 9

    fuel line issues with throttle body spacer

    While in the process of installing a transdapt throttle body spacer on my truck today, I used the recommended extension but the fuel line started spraying everywhere when I started my truck. I ended up having to remove the throttle body spacer and hook things back up in the stock configuration...
  19. 9

    Building a better Lo5

    I've been brainstorming some ideas for when my engine needs rebuilt. I intend to have the shortblock/bottom end rebuilt, for I don't plan on racing or doing much towing. After reading countless threads, I've come to the conclusion that vortec heads and a LT1 cam are both very popular upgrades...
  20. 9

    Building a better Lo5

    I've been brainstorming some ideas for when my engine needs rebuilt. I intend to have the shortblock/bottom end rebuilt, for I don't plan on racing or doing much towing. After reading countless threads, I've come to the conclusion that vortec heads and a LT1 cam are both very popular upgrades...
  21. 9

    A.I.R injection-headers

    I'm in the market for headers for my truck. I've noticed that most do not come with the provisions for the air injection system. The ones that do are significantly more money. Personally, I would like to get rid of the system but not at the cost of causing harm elsewhere. Anyone running headers...
  22. 9

    procharger

    Anyone running a procharger on an otherwise stock 350 (LO5)? Other than full exhaust what supporting mods would be required? Lastly, would tuning be required? Thanks, Eric
  23. 9

    Best exhaust setup for performance

    Looking to completely replace the stock exhaust on my pickup this upcoming spring. No sure what route to go. Long tubes with 1 5/8" primarys /3" collectors seem to be what almost everyone suggests. Are true duals (3") or a y pipe/single outlet (3") the way to go? Engine will eventually be...
  24. 9

    steering column sphere

    In an attempt to tighten the 4 torx bolts at the base of the steering column, I had to take the 2 pieces of the steering column apart. I'm referring to the 2 piece plastic sphere-cross shaped joint that allows the column to pivot. Problem is now I cannot figure how to get it back together. Does...

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