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  1. Bextreme04

    Why doesn't anyone use the Chevy "Connect & Cruise" packages?

    huh... I wonder how much adjustment you actually have with that. They want 6 credits to license them, so that's $300 in credits on top of the $400 price to buy the MPVI3 that you would need. They must figure if you are willing to spend $16k for the engine/trans then you won't blink at $700 to...
  2. Bextreme04

    Why doesn't anyone use the Chevy "Connect & Cruise" packages?

    A buddy of mine got tired of constantly having issues with his twin-turbo'ed Gen VII 8.1L in his 73 Nova and dropped the coin on a connect and cruise kit. He got an LT-4/8L80 combo. He still had to make a bunch of modifications to get it to fit in there right, but it has just as much power as...
  3. Bextreme04

    Muffler recommendations

    I have a set of Flowmaster 50 series big block mufflers on my truck in 3". They came on the truck, which had been sitting in the guys back yard since AT LEAST 2006. They have zero rust and still look mostly brand new. All the 3" exhaust pipe that was running in and out of the mufflers was almost...
  4. Bextreme04

    Best Locker for 14Bolt FF in 85 K30

    I have a Yukon Grizzly locker in mine. Like bucket said, you really can't go wrong with any of them. I drive mine a lot on the street, gravel logging roads, and some mild offroading and the Yukon has been pretty good. I don't get a ratcheting noise at all, but I do get a bit of wheel skidding in...
  5. Bextreme04

    HEI module dwell time.

    I have a cheap china HEI distributor in mine, but when the module went out I replaced it with an AC Delco module and it has been working well since then. The replacement Big Block has been converted to the LS CNP setup... so no concerns on dwell or module failure there. I have well over 300k...
  6. Bextreme04

    Fuel return diy

    Why are you running an electric pump at all? Is this a high HP engine with no mechanical pump provisions or something?
  7. Bextreme04

    Fuel return diy

    That can't be right. A WIX 33404 is a spin on fuel filter and doesn't have any return. I think you meant 33040 which is probably not going to work for you. I don't know how it does the regulation for the return or what the pressure rating is on that, but it isn't meant for that application. Can...
  8. Bextreme04

    Fuel return diy

    That's not vapor lock. What's happening is that the pressure in the line is dropping after it goes through the regulator. Since you have the fuel sitting in the line between the pump and regulator, right next to the exhaust, the fuel is getting hot enough that when the pressure drops it flash...
  9. Bextreme04

    Fuel return diy

    What kind of pump? Vapor lock is almost impossible with an electric pump and is solved by moving the pump closer to the tank.. but you should definitely be using a return line system with an electric pump. Vapor lock is when the fuel in the fuel line before the pump gets hot enough to vaporize...
  10. Bextreme04

    Np205

    So you didn't have the transmission apart? I just bought a tone ring for $10 and installed it on the rear output on mine when I had it apart. I'm using the dakota digital adapter on the speedo output for now and just put the tone ring on just in case. For some reason when I first looked at your...
  11. Bextreme04

    What have you done to your square lately??

    This brings back some distinct 90's and early 2000's vibes for me
  12. Bextreme04

    Daughters ‘87 needs to ride smooth.

    I have 35" E rated Falken Wildpeaks on my K25. They sit at ~28PSI most of the time. When I go put 3,000lbs of gravel or dirt in it I'll bump the pressure up to about 50PSI in the rear and 35 in the front and it rides just about the same as the lower pressure does unloaded. I have 63" K2500...
  13. Bextreme04

    Np205

    Well, thanks for bringing this up... I was looking at their setup on the interwebs and saw they had a contact phone number with an area code near me. So then I googled their address and the guys shop is literally a 5 minute drive from me. I have driven past the house a few times since it is ~100...
  14. Bextreme04

    Np205

    Why the long adapter with the VSS in it? That's completely useless and will read exactly the same as the OSS in this case. You need either a switch to activate when in 4lo or the VSS on the output of the 205 in order for it to be doing you any good.
  15. Bextreme04

    4L80E Clearance Issues?

    The aftermarket solutions are going to be tough because the stock Gen IV ECU doesn't output the right stuff for most of those controllers to work right. Someone probably makes an easy solution, but I don't know who that would be.
  16. Bextreme04

    4L80E Clearance Issues?

    If you can pull the 6.2 apart when you get it, you could convert the engine to Gen III specs with a 24x reluctor and 1x cam gear. Then you could run a factory 04-07 P59 ECU(blue/green) and have someone make you a swap harness for fairly cheap. The other factory option would be finding a stock...
  17. Bextreme04

    4L80E Clearance Issues?

    If you have the coin for a connect and cruise kit... it will come with literally everything you need. There are multiple kits available... but none support a 4L80. Your options will be 4l60/4l65/4l70/4l75 or 6l80/6l90/8l90/10l90. There are factory ECU's that do support running a Gen IV LS with...
  18. Bextreme04

    What have you done to your square lately??

    The piece you have to connect it to is the choke pull-off. It gives a restriction to the secondaries and choke opening while there is a high vacuum in the manifold(idle). When you floor it and the vacuum falls off, it lets the gold arm extend and allows the secondaries to open slowly instead of...
  19. Bextreme04

    Swapping out OEM distributor with HEI distributor

    You are making some broad generalities there that are not necessarily true. You would not necessarily get better mileage running 50 instead of 43. You add timing to compensate for the leaner mixture that you have tuned into the cruise cycle. A leaner mixture burns slower and therefore needs...
  20. Bextreme04

    4L80E Information Thread

    I've never heard of anyone snapping input shafts from having engine braking. Generally you only start snapping stock input shafts when you are launching hard off a trans brake at 800+hp
  21. Bextreme04

    Swapping out OEM distributor with HEI distributor

    My whole thing with this is that he DOES NOT HAVE A 305 anymore. I'm betting that when someone swapped the engine out, they likely didn't transfer over the knock sensor either. A properly built 350 with no mechanical issues should have no issues with detonation; even hot, heavily loaded, or on...
  22. Bextreme04

    Swapping out OEM distributor with HEI distributor

    You are equating HEI=ESC... that is not the case. HEI came in all squarebodies from 1975 on. ESC was ONLY on LE9 engines(305). The timing control that came into the TBI, TPI, and later EFI systems is very different than the dumb knock retard only ESC that was in the LE9 used in the trucks. It is...
  23. Bextreme04

    Swapping out OEM distributor with HEI distributor

    What part do you disagree with? GM never equipped a 350 with ESC until it went to TBI as far as I know. The curve on that distributor would not be correct for that engine(assuming that he ACTUALLY does have a 350). How do you know you actually have a 350? Did you run the block casting number...
  24. Bextreme04

    Swapping out OEM distributor with HEI distributor

    Do you have a 350 now? Is it a stock 350 or somewhat warmed up? ESC was only on the 305 and it was necessary to get decent power and fuel mileage from them. If you now have even a stock 350 in it... you won't want the old 305 distributor. The spark curve and ESC will not work well on a 350.
  25. Bextreme04

    Swapping out OEM distributor with HEI distributor

    Only if he still had a stock 305. AFAIK the 350 never has ESC, it was only a stopgap for the piss poor head design of the 305 that made them an absolute dog with the small amount of timing you would need to set for it to not knock. If the engine has been replaced for a reasonably worked over...

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