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  1. mibars

    IS 350 TBI compatible with E10?

    I guess that TBI equivalent of jetting the carb is playing with fuel pressure. Anyway that sounds like making the MPG worse :/
  2. mibars

    IS 350 TBI compatible with E10?

    Hi, In Poland in upcoming year we can expect that gas stations will switch from E5 to E10 regular gasoline (95 RON octanes), with E5 most likely available only as premium gas (RON 98 octanes) as gas stations will be mandated to sell E10 gasoline. Is a small block 350 TBI fine with running on...
  3. mibars

    Ideas for missing headliner

    The carpet is stiff enough that the area between plywood and side trim is not glued to anything. The glue ends on the edge of the plywood and that couple of centimeters between plywood and plastic trim is self supporting and is not floppy at all. Not shown in the picture are grab handles which...
  4. mibars

    350 Water Pump Woes

    Could a chemical flush cause corrosion of water pump?
  5. mibars

    gas gauge goes back an forth when im moving.

    Fuel gauges in many cars use some sort of a dampener on a needle, it turns like it is in molasses, I wonder if back in the day gauges had the dampening effect and it simply wore out/dried out? In my 1990 gauge is slightly changing position when accelerating and slowing down, but that's in a...
  6. mibars

    Driveshaft vibrations?

    I think I found tiny bit of play in U-joint between transfer case and rear driveshaft. Guys, how to tell which one is needed? Looks like there are couple different sizes that show up in catalogues on Rock Auto and Summit...
  7. mibars

    ac control vacume line source

    The diagram should be right for 89 Blazer, ignoring the vacuum modulator for TH400. MAP sensor, etc. should have separate vacuum sources, in form of two tubes going out of throttle body. Vacuum for HVAC and cruise (and transmission) comes out of the separate fitting towards the rear of the...
  8. mibars

    Source for 4" backup lights?

    In older pre-CAN vehicles issues with LEDs is related to flashers, not to backup lamps or other lights. Old style flashers use a bimetallic element that needs certain minimum load to operate with long enough interval, when bulb burns out or is replaced with low current drawing LED the interval...
  9. mibars

    '87 - 5.7 TBI, Separate Temp Sensor & Sending Unit?

    Bumping this old thread, My oil pressure gauge is always pointing somewhere around 35 PSI, I tested the gauge outside of car and it works OK. So my suspect is an oil pressure sending unit. I'm looking at oil pressure switch/sending unit in my 1990 350 TBI and it appears that the style is...
  10. mibars

    Whats you gas mileage on your squarebody truck?

    Next refueling and I got more "typical" gas mileage for a Suburban: 19.7 l/100 km or 12 mpg That's with mixed city/highway driving, traffic jams and me more comfortable with flooring that beast. Fun fact: Clerk was double and triple checking if I do realize that I'm paying for gasoline and not...
  11. mibars

    700R4 TV cable - weird adjuster?

    Never seen that style. I'd guess it is some sort of replacement to get it to work. For sure that slop in a TV cable looks concerning! Try opening the throttle all the way and check cable tension, with automatic adjuster it should be under tension. Better to have it too tight and shift late...
  12. mibars

    Driveshaft vibrations?

    Thanks guys! For the front driveshaft checking pinion angle is a great suggestion in that other thread. If I can't see any obvious signs of play (other than rotational play which should not result in vibration) in a front driveshaft then maybe that's the issue. Also with front driveshaft I...
  13. mibars

    Driveshaft vibrations?

    I think I have driveshaft vibrations from both front and rear driveshaft. Around 55 mph on a clock I start to feel vibration which becomes unpleasant at higher speeds so I drive up to 55 mph. When I drive 55 mph with front hubs engaged, case in 2WD I can feel even more vibrations now coming...
  14. mibars

    Cruisin the Coast ‘23 - show pics added!

    Beautiful driveway :)
  15. mibars

    I guess I give up on the windows

    I'd try to connect the voltmeter in parallel to the motor and check for the voltage when the windows go up and down. If it is dropping significantly to couple of volts -> electrical issue. How is your relay mod done? Where did you ground the relays? How did you wire the power? I just did a...
  16. mibars

    1991 Burb Alpine Ca https://sandiego.craigslist.org/esd/pts/d/alpine-1991-chevrolet-suburban/7668609641.html

    And it's a factory 4L80E so maybe it will get something better than 10 MPG :)
  17. mibars

    AmCar Tuesdays / Amcarowe Wtorki (Warsaw, Poland)

    Ah yes, didn't notice that you are not talking about the license plate, which is a Blues Brothers plate by the way There was also a charger on RDR838 plates on a meet the Houston car was a CVPI
  18. mibars

    I guess I give up on the windows

    That's not true at least for the 1990. It's a regular system with both poles connected to a ground and a positive switched to either side to make it go up or down. The issue is that both power and a ground pass trough the switches and lengths of wire before reaching the motor. I'd try running...
  19. mibars

    AmCar Tuesdays / Amcarowe Wtorki (Warsaw, Poland)

    Possibly, didn't have chance to talk to the guy... Or a gal, I don't know! Plates may be just for show, so no guarantee it's actually from TX. But that thig is huge, hard to imagine that back in the day that was a "regular car" size. There is always like 5 cop cars or so on Amcar Tuesdays...
  20. mibars

    AmCar Tuesdays / Amcarowe Wtorki (Warsaw, Poland)

    After attending couple of car meets I thought I'd share this one, because we had not one, not two but three square bodies in one place at same time ;) That's the record I think :) No, but seriously, there are some regular car meets that happen in Poland, with Warsaw being the capital and...
  21. mibars

    Rear bench won't latch

    Answering to myself for anyone for future reference, but I solved the issue. The thing I've noticed looking for how to fix the bench seat is that my arm rests were pointing way up compared to the photos I found indicating that something is off with seat geometry. So I loosened 4 T45 bolts on...
  22. mibars

    Newbie

    Hi Sid, welcome! Ah, the prices you can get square bodies in the US! That makes me jealous.. I'm just about 5000 miles away from AR and at that distance a nonworking burnt engine SBC would be couple of thousands $$$ >.<
  23. mibars

    TH350 To a 700r4 transmission

    Unlimited mile warranty on a transmission that can be easily damaged by misaligning one cable, I wonder if this warranty is worth anything...
  24. mibars

    RETRO-Mod: Jeep intermediate steering shaft

    Did the mod, ended up buying a different one than linked above. Steering is so much more precise now! Some notes: -These plastic inserts holding both halves together are most likely PTFE/Teflon. It emits highly toxic fumes when heated. Do it outside and mind the wind direction. -After removing...
  25. mibars

    $40 well spent on OEM buzzer

    I want a buzzer too! Just found out this weekend that there is a nice big socket labelled BUZZER under the dash. Obviously empty as I almost forgot my lights couple of times. Buzzer has multiple prongs, does it have a different buzzer for a different thing, e.g. no seatbelt, open door with...

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