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  1. yevgenievich

    2wd Spindle v Body Lift

    Working on a vortec 454 with a body lift made it easier to access back of the intake. Otherwise everything is a bit further of a reach.
  2. yevgenievich

    1997 gmc k2500 burban

    With shock bushing gone it was very obvious noise wise
  3. yevgenievich

    98 7.4 Vortec intake manifold leak

    Also if there coolant showing up above the front passenger side intake bolts, it can be the heater hose seal. Oring in there can leak at higher rpm while sealing at idle.
  4. yevgenievich

    Gen VI 7.4 411 swap-looking for intake

    Idle Air control set up with the throttle body would need to be sorted, but there are a number of aftermarket intakes with injectors per runner. A lot of them are rectangular port, but still work well on oval port.
  5. yevgenievich

    Fuel tank Relocating

    Can try the tahoe set up. But can also have one of the pipes cross over to the other side.
  6. yevgenievich

    How does electronic timing advance work on a TBI distributor?

    Coil trigger timing changes
  7. yevgenievich

    Good motor mounts... how about this?

    If I recall correctly, part numbers were not correct on 2wd set.
  8. yevgenievich

    99 shorty

    Arteb headlights installed(euro light pattern). Need to aim still. My strategy on installing lights had been loosely mounting the base, then test fitting the grille. While grille is on, there is enough access to tighten one of the headlight base bracket bolts. That sets lights in place and the...
  9. yevgenievich

    Number Plates

    GMC-454
  10. yevgenievich

    Led Headlights

    The much brighter lights currently on the road cause softer light output from stock gmt400 very hard to see with when dark sections come up. Driving on an empty dark road stock lights are actually decent in how they light up the road. But that now leaves stock system still in need of changes.
  11. yevgenievich

    Good motor mounts... how about this?

    On 97 4x4.
  12. yevgenievich

    Good motor mounts... how about this?

    There is mislabel on 4x4 vs 2wd part numbers on energy suspension motor mounts
  13. yevgenievich

    Good motor mounts... how about this?

    It is on 4wd
  14. yevgenievich

    Resto - Mode L29 setup...and living in Poland

    24x would be needed to go to dbw set up. That is a reluctor gear behind the timing chain cover for crank sensor. Stock l29 uses 4x signal. I went to dbw for various reasons. I had a 58x timing set that uses newer ecu with dbw. Also when using dbw, intake choices open up a bit because no need...
  15. yevgenievich

    Resto - Mode L29 setup...and living in Poland

    Big blocks get expensive. And stock set up is really not bad for what it is. My set up is built for boost, but in NA form does outperform a stock l29. Running a stock 454 suburban(with 4.10 gears) against my version(with 3.73 gears), I still get slightly over 3 seconds faster 0-60mph times. My...
  16. yevgenievich

    Resto - Mode L29 setup...and living in Poland

    It is a tall deck 8.0l version that was put together with forged rods/pistons and stock forged crank. e38/t42 combination ecu/tcu from 2008 gm truck is used. I had to use 2008 or older e38/t42 ecu/tcu because 2008 was last year for a manual shift transfer case option with 4l60e that I needed for...
  17. yevgenievich

    305 in the 305..

    If that is a reason and have funding keep swapping the whole thing. I had a case of a clogged catalytic converter on a 84 datsun wagon that promptly turned in to a 5.3 swap.
  18. yevgenievich

    Resto - Mode L29 setup...and living in Poland

    I used efi multiport intake to open up rpm band. Idle is a bit harder to tune with short runner intake, but low rpm torque did not really drop off much if any. Stock air box can hold a large aftermarket filter and can use 4" intake pipe to the throttle body. Much cooler charge and is worth using...
  19. yevgenievich

    Vortec Thermostat Experiment

    I ended up with high flow tstat, high flow water pump, stock big block radiator, and modified clutch fan to keep operational region in 180 to 195 range. Running decently built big block motor. For stock applications, modification to the clutch fan for 190* range can be considered but otherwise...
  20. yevgenievich

    Engine knocks when ambient temps around freezing or below

    Could be piston slap
  21. yevgenievich

    The Official Vortec 454 Info thread

    I had a rebuilt 305 from machine shop that had excess clearance and the only way to get hot idle oil pressure above 5psi was to put a high volume oil pump on it. Was not happy about that motor. On big blocks, have one showing 25ish hot idle (200k miles) and similar temperature on more of a fresh...
  22. yevgenievich

    Engine-Carb Swap: 4L80E Driving me Loco - Upshift Blues

    TCC Engage table. There are also two modes, one for when shifter is in drive and one for shifter in overdrive. When in drive, tcc is enabled in 3rd gear. With 350tbi in a v2500 to maintain 80+mph it was almost equivalent of putting a brick on the pedal and letting it cruise.
  23. yevgenievich

    1997 gmc k2500 burban

    Thanks. As long as it is not doing the lock/unlock game all the time, 4th works. With heavier load or when staying below 65mph for long distance with a trailer I keep it in 3rd. I have a very slow rebuild in progress on a spare 4l80e but stock one has been holding good so far. Torque converter...
  24. yevgenievich

    aluminum radiator where to get.

    Coldcase radiators is an option
  25. yevgenievich

    Engine-Carb Swap: 4L80E Driving me Loco - Upshift Blues

    I had issue with one of the speed sensors beig noisy(rear) on 91. But that one also had a 3rd sensor on a tcase. My strategy was replace one, and then once that did not fix it used the sensor that I took out to replace the second. I still have a file from 91 regarding shift table and will check...

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