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  • 78HZSBC's Avatar
    20-04-2021, 09:11 PM
    78HZSBC replied to a thread Vacuum bounce at idle in Chevrolet
    Pros and cons to everything I guess, I do like the idea of the pcv valve so will be using one
    44 replies | 4282 view(s)
  • 78HZSBC's Avatar
    20-04-2021, 09:02 PM
    Great, I'm learning lol. I've always had carburetted v8s but have relied on others for the tuning so some of this is new to me, happy to learn and...
    9 replies | 1216 view(s)
  • 78HZSBC's Avatar
    20-04-2021, 05:38 PM
    78HZSBC replied to a thread Vacuum bounce at idle in Chevrolet
    Ok so I'm back at 14 initial and 35deg total and seems to run fine there for the time being. I spoke to my engine builder and he said wait until the...
    44 replies | 4282 view(s)
  • 78HZSBC's Avatar
    20-04-2021, 05:10 PM
    Ah ok so you advance timing at idle to find the spot but don't leave it there, return it back to your initial timing (idle timing) and aim to be back...
    9 replies | 1216 view(s)
  • 78HZSBC's Avatar
    18-04-2021, 07:54 PM
    Just reading your post as i have an interest in this, one thing i have been wanting to know is where to set my total timing, reading online its...
    9 replies | 1216 view(s)
  • 78HZSBC's Avatar
    11-04-2021, 09:26 PM
    78HZSBC replied to a thread Vacuum bounce at idle in Chevrolet
    To be honest I have no idea what the pcv valve is rated for, it's an aftermarket pollished alloy one that I chose a while back. Only assumed all pcv...
    44 replies | 4282 view(s)
  • 78HZSBC's Avatar
    11-04-2021, 06:49 PM
    78HZSBC replied to a thread Vacuum bounce at idle in Chevrolet
    Update on a few checks done today. Checked TDC timing tab, all good. Did compression test (cold) all cylinders 175 to 180psi. While the leads...
    44 replies | 4282 view(s)
  • 78HZSBC's Avatar
    10-04-2021, 10:13 PM
    78HZSBC replied to a thread Vacuum bounce at idle in Chevrolet
    Yes but obviously the rocker cover was hot so not sure how well I blocked it with my hand, was a bit rushed. Can try again
    44 replies | 4282 view(s)
  • 78HZSBC's Avatar
    10-04-2021, 07:44 PM
    78HZSBC replied to a thread Vacuum bounce at idle in Chevrolet
    Quick update, I had a chance this afternoon to check a couple of things but still same issue with bouncing vac reading. As recommend I blocked off...
    44 replies | 4282 view(s)
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About 78HZSBC

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About 78HZSBC
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