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Forum: Pontiac - Street 02-02-2025, 03:12 AM
Replies: 36
Views: 3,071
Posted By Shiny
If it's like a QJ, the vacuum holds off the...

If it's like a QJ, the vacuum holds off the enrichment, correct?

If so, a vac leak wouldn't explain a lack of enrichment, would it? Although if the vac was so low that the valve never closed and...
Forum: Pontiac - Street 02-02-2025, 01:18 AM
Replies: 36
Views: 3,071
Posted By Shiny
Assuming the power valve is vacuum-actuated, is...

Assuming the power valve is vacuum-actuated, is there any chance your vacuum has changed? For example, did your brake work introduce a vacuum leak?
Forum: Pontiac - Street 02-02-2025, 12:06 AM
Replies: 36
Views: 3,071
Posted By Shiny
Does this carb have a power piston for enrichment...

Does this carb have a power piston for enrichment like a QJ? If so, is it possible you have a metering rod sitting too low in the jet or could benefit from a lighter spring?

Any chance richening...
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