Boost Guage is Confusing
#1
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Location: Pakistan
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Boost Guage is Confusing
I installed this boost guage yesterday that was previously installed in my R33, 8 months ago. It was working fine in Skyline upto 1 bar and was accurate.
Now in FD it shows some confusing readings i-e as follow
Idle 900 rpm reading- 500 mm/Hg
7000 rpm reading in Parked car- 0 bar
Full boost while running- 1 Bar (the most confusing)
My car is bone stock, and its running fine. Never messed with stupid tweaking or anything else. I guess there is something wrong with this boost guage, since i temporarily installed the same guage that was new a month back and it showed almost 9 psi.
Is there a way to fix it, or shall i trash it?
Now in FD it shows some confusing readings i-e as follow
Idle 900 rpm reading- 500 mm/Hg
7000 rpm reading in Parked car- 0 bar
Full boost while running- 1 Bar (the most confusing)
My car is bone stock, and its running fine. Never messed with stupid tweaking or anything else. I guess there is something wrong with this boost guage, since i temporarily installed the same guage that was new a month back and it showed almost 9 psi.
Is there a way to fix it, or shall i trash it?
#2
Racecar - Formula 2000
None of those readings seem confusing to me.
- 900 RPM idle, 500 mm is about 19 in Hg, which is a good vacuum, but not too much for that idle RPM
- 0 at 7000 w/ no load may be about right with intake and exhaust restrictions
- 1 bar full boost may also be correct if it was a cool day when you did it. What conditions, what gear was this? The stock boost "control" system does not compensate well for cool conditions.
#4
Racecar - Formula 2000
Dave
#5
Moderator
iTrader: (7)
If your car was imported it's possible it's not exactly stock. Do you have the OEM downpipe, muffler, main cat, and intake?
If so, then there is something wrong with the boost control setup. Make sure there are no leaks in the lines branching out from the wastegate actuator.
Dave
If so, then there is something wrong with the boost control setup. Make sure there are no leaks in the lines branching out from the wastegate actuator.
Dave
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