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L31MaxExpress

I'm Awesome From DFW, TX

Joined: Apr 21, 2018

Last seen: 29 minutes ago Viewing thread What carb is this its two barrel i thought that 350's in 82' had Quadrajet

Latest activity Postings About

- L31MaxExpress replied to the thread WB O2 and ECM values different.
  
  So is the stock Vortec air intake. The stupid air hat over the TB is the worst flowing and completely garbage plastic POS ever devised.
  
  Today at 6:34 PM
- L31MaxExpress reacted to Scooterwrench's post in the thread WB O2 and ECM values different with Like.
  
  Yeah, those iron logs are the potato in the pipe.
  
  Today at 6:32 PM
- L31MaxExpress replied to the thread WB O2 and ECM values different.
  
  Buddies and camping gear across the rockies. It was far from quick, but had a lot of torque and cruised very nicely with the 4L80E...
  
  Today at 5:43 PM
- L31MaxExpress replied to the thread WB O2 and ECM values different.
  
  Tuned a Blueprint 383 L31 replacement engine today in an otherwise stock 15 passenger Express. That engine is 10:1, aluminum heads and...
  
  Today at 5:27 PM
- L31MaxExpress replied to the thread Dual Plane MPFI Manifold.
  
  I have been busy with other projects. The Air Gap RPM MPFI deal for a SBC would be completely custom, and I do not have the time for...
  
  Today at 5:18 AM
- L31MaxExpress replied to the thread "New" Motor Tapping.
  
  Definitely sounds like a lifter tick to me even at idle noises at crankshaft speed would be signifigantly more often. Have you performed...
  
  Yesterday at 3:22 PM
- L31MaxExpress replied to the thread TBI with MAF.
  
  Best guess is it was for a specific brand of wideband.
  
  Yesterday at 3:20 PM
- L31MaxExpress replied to the thread Cat removal.
  
  The lack of any 02s in this factory GM exhaust diagram on Vortec V8 exhaust systems is not an ommision. This was the factory exhaust on...
  
  Yesterday at 4:47 AM
- L31MaxExpress replied to the thread Cat removal.
  
  Alot of GMs of that time frame and even into the GMT800 years do not even have rear 02 sensors. Some had cats and no 02s, open loop only...
  
  Yesterday at 4:31 AM
- L31MaxExpress reacted to jaywestfall's post in the thread Metal timing chain cover for 5.7 vortec? I can't find one that offers a port for the crankshaft positioning sensor. with Like.
  
  This is on my 1998 C1500 ext cab 5.7 to replace the vile plastic factory one!
  
  Saturday at 8:15 PM
- L31MaxExpress replied to the thread Moates Emulator.
  
  This is why I like Lambda scale not AFR. Stoich is always 1 which is 14.1 on 10% Ethanol pump gas. A little richer than stoich is where...
  
  Saturday at 5:11 PM
- L31MaxExpress replied to the thread WB O2 and ECM values different.
  
  I was just in your saved datalog. The file you sent me, shows Channel 1 as being tied to an Innovative Wideband. That being said, I...
  
  Friday at 2:57 AM
- L31MaxExpress replied to the thread TBI spacers and upgrades, 1989 c1500 5.7L.
  
  The open center added about 10 whp by itself.
  
  Thursday at 10:37 PM
- L31MaxExpress reacted to 98 Nitro's post in the thread TBI spacers and upgrades, 1989 c1500 5.7L with Like.
  
  Edelbrock thought the same selling a single plane with their conversion kit.
  
  Thursday at 9:56 PM
- L31MaxExpress replied to the thread TBI spacers and upgrades, 1989 c1500 5.7L.
  
  With the 2bbl TBI the single plane works better. With a 4bbl throttle body of sufficient CFM a dual plane works better. That system...
  
  Thursday at 9:56 PM
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