Boost to drive ratio to low ??

[Simpson5.9]

I was always under the impression you wanted as little drive to boost as possible but recently read one of lavon's responses on explaining why a charger let go and he basically said drive was to low compared to boost ... 165:65 iirc or something close to it , can anyone go more in depth ?


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[thatguy69]

I believe you want the ratio to be 1:1, but I could be wrong.

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[cetanefreek]

I was under the same impression, that less drive pressure was better.

 

[Simpson5.9]

I was always told 1:1 is ideal but less is better ... apparently to much of something is indeed bad ?


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[DieselheaD]

His conclusion to why he granaded chargers was having nearly double the pressure on the compressor side vs. exhaust side on the high pressure manifold turbo.

His conclusion is not a general statement that applies as a rule to everyone... nor will those pressures ever happen unless it's a compound arrangement