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  1. Bextreme04

    Transmission Upgrade?

    Anything with more than 4 speeds is going to be fully electronically controlled... and expensive. A 6, 8, or 10 speed isn't going to do much on getting the upper speed RPM's down though. The 10th gear in either the GM Allison 10 speed or the Ford 10R140 are both ~.63:1 ratio, which is close to...
  2. Bextreme04

    edelbrock avs2 650

    Not saying you guys don't have that experience. Just saying you don't have to. Just because you have always set up your carbs to need to touch the throttle to start them, doesn't mean you NEED to set them up that way. Just because it's new, doesn't mean it is right. It's just like the...
  3. Bextreme04

    700R4 Information Thread

    Transmission mount is ~3/4" further back on a 700R4 than it is on a TH350. Both TH350 and 700R4 were available in 84, and it was the last year for the TH350. You could look at your SPID sheet to see what one your truck came with from the factory. MD8 or MX0 is the RPO for a 700R4. MX1/M38/M49...
  4. Bextreme04

    What have you done to your square lately??

    Remflex 2004 for round port flat flange headers...
  5. Bextreme04

    What have you done to your square lately??

    Throw the Cometic ones in the trash and try some Remflex ones next time you get a leak. It will be the last time you ever use another brand of header gaskets. They seal up EVERY time and seem to stay that way forever after. I just put a set on my 2011 Suburban while installing a new exhaust with...
  6. Bextreme04

    Passing CA Smog help - High HCs

    At least some of that is not accurate. Federal emissions in a 1980 8600GVW K25 with a 350 did not have an AIR pump and injectors going into the manifold. It's even more interesting that the maker of that manual is her in Troutdale, OR and my truck was originally delivered to the Beaverton...
  7. Bextreme04

    Emergency brake warning light

    Dang man... reviving a three year old thread?
  8. Bextreme04

    edelbrock avs2 650

    I'm just curious why you would think that is? The throttle is set to provide the proper amount of air and fuel flow for the vehicle to idle properly(750rpm in neutral in my case) without toughing the throttle pedal. The only thing I can think of that would require a touch of throttle would be to...
  9. Bextreme04

    How do I get into the buy/sell section??

    well, you're at 35 now! :cheers:
  10. Bextreme04

    How do I get into the buy/sell section??

    You are already at 33 posts... come on man. Just go into the welcome threads and say hi to the first 17 new members and be done with it.
  11. Bextreme04

    edelbrock avs2 650

    A properly set up carburetor and engine should not need this. My original quadrajet has updated idle mix screws, secondary rods, and converted to electric choke. Other than that it is all stock. I have a mildly built 350 with bumped up compression and a mild cam and stock everything else. One...
  12. Bextreme04

    edelbrock avs2 650

    The edelbrocks are notorious for not liking high fuel pressure. 6Psi is the max spec, but really it should be more like 3-4Psi. It must be barely holding on against that 6Psi while running and once it sits long enough to heat soak the fuel line a bit it is flooding it out.
  13. Bextreme04

    1987 Suburban v1500 - what separates the v1500 and v2500?

    I did. The differences are the axles and springs. Stock 1500 is a three leaf spring on a 10 bolt rear axle. Stock 2500 is a 5 leaf on a 14 Bolt Semi or Full float axle. 13 x 2.5" is the heavy duty rear brakes and the 12.5" front disk is the standard 10 Bolt front axle with the HD 8 lug outer...
  14. Bextreme04

    1987 Suburban v1500 - what separates the v1500 and v2500?

    Axles, springs, and T-case are about the only differences between the 1500 and 2500 squares. I use my K25 pickup for towing/hauling a few times a year and hauling my travel trailer through the PNW highways and logging roads during the hunting season. I use my 2011 K1500 Suburban to tow the...
  15. Bextreme04

    Small block to big block swap. What do i need to know?

    Why would you possibly want to swap a passenger drop NP241C for a D300? You'll have less low range gearing and it isn't really any stronger. If you do, and get rid of that passenger drop 241C.. i'll be happy to take it off your hands for you
  16. Bextreme04

    help me find this ticking noise on my truck ( 1978 Chevy C10 305 )

    Its a common spot to burn plug wires. If it is a sharp snapping type sound, I'd go with plug wires. It's also easy to see this if you start it up and look under the hood while it is dark outside. You'll see the arc jumping to the headers or manifold usually. If it is more of a tapping noise that...
  17. Bextreme04

    help me find this ticking noise on my truck ( 1978 Chevy C10 305 )

    Video would help. What have you changed most recently before this problem started? My first thought is: 1) Exhaust leak 2) Spark plug wire melted and shorting to header/manifold 3) Cracked flex plate 4) Valvetrain contacting inside of valve cover
  18. Bextreme04

    700R4 Information Thread

    Like Nick said, Dex 3 or later. I run the blue bottle Valvoline Dex/Merc fluid from walmart in my TH400's and 4L80 that call for Dex III. It's $18/gallon. I run the red bottle Valvoline Maxlife or ACDelco Dex 6 in my 6L80 that calls for Dex 6. You can get it for $24/gallon at walmart. The...
  19. Bextreme04

    Fuel line

    I have this exact one on my 1980 K25 with a 350 and the original quadrajet. Fit like a champ and no issues. https://www.inlinetube.com/products/ctc7344
  20. Bextreme04

    87 blower motor

    Post a Pic? My AC equipped truck has a big red wire going into the relay providing direct power to the blower motor when Hi is selected. Then there are a few wires coming from the blower motor resistor going into the relay that are various shades of yellow and green. Then the purple wire goes...
  21. Bextreme04

    Where can I get a custom SPID label typed up?

    You can also hit the "Quote" button at the bottom of a post to directly respond to a specific post.
  22. Bextreme04

    Where can I get a custom SPID label typed up?

    Who are you asking? If you use the @ symbol and then type a screen name it will tag that person in your post. If you are asking gmachinz, he got kicked off this forum a few years ago for being kind of a dirtbag. He did good work when it made it to the customer, but I think he was having some...
  23. Bextreme04

    87 blower motor

    The blower motor power comes from two different spots. when the fan switch is on Hi, it trips the relay and makes a direct connection from that large red wire that runs across the firewall above the engine and goes to the bulkhead circuit breaker block near the brake booster. If the blower motor...
  24. Bextreme04

    Superduty Dana 60 into 86 2wd squarebody chevy

    That's not true. It is technically illegal on both the federal and state level to do it without going through the proper process with the referee. The second you put a gas engine into it, you are no longer exempt and it should be going on the regular 2 year smog check cycle. From a practical...
  25. Bextreme04

    Superduty Dana 60 into 86 2wd squarebody chevy

    So... you are converting a 2wd into a 4wd? Are you just going to ignore the emissions issues of converting a stock diesel to an LS? You technically would need to go to a referee and get a CARB number for the conversion to be legal. Your cheapest and easiest route is probably to get a junk...

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