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#1 |
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I was bored and decided to play around with my smoke machine. Pushing smoke through the pvc hose and plugging the tb intake I got some smoke from the case via blowby I suppose and a fair amount around the tb axle at the spring. Wasn’t expecting that. Don’t seem to have any drivability issues but was surprised.
Last edited by RobertGary1; 01-07-2021 at 12:14 AM. |
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#2 |
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Fortunately, this is an SD (speed-density) EFI, slight vacuum leaks don't matter at all; no MAF sensor to be being "cheated".
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#3 |
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Location: St. Louis, Mo.
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1995 SL1
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The only time the TB shaft is an issue is when it becomes so worn the throttle plate doesn't close consistently.
Highmile '95 SL1 722k and counting |
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#4 |
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Spray some chain lube and the vacuum will suck it past the ball bearing and flush out some of the road grit, extending the life of the bearing.
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Competition Clutch 10Lb. Flywheel. 14 stalls to date (and loving it). Oil use is 1 ounce per 100 miles with ~230,000 miles on the engine |
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#5 |
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Good thinking, Bumpdraft !
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#6 |
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Your welcome
I was thinking...be careful the lube does not contain anything that would harm the oxygen sensor. I was over-thinking...the TB butterfly return spring is strong. As a sort of an air filter, you might be able to wrap some oiled, thin felt cloth around the outside of the spring and staple the felt to itself. It would be best to remove the TB to wrap the felt and to verify that nothing dangerous would happen. Be careful.
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Competition Clutch 10Lb. Flywheel. 14 stalls to date (and loving it). Oil use is 1 ounce per 100 miles with ~230,000 miles on the engine |
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#7 | |
Senior Member
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Location: St. Louis, Mo.
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1995 SL1
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![]() Quote:
Highmile '95 SL1 723k and counting |
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#8 |
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> Simply replaced with a low mile used unit.
In previous relevant discussion, OldNuc made same suggestion. |
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