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Why monitor boost?


scubieman

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What would be the highest boost a stock 06 auto would see when pulling a total weight of a little over 19,000 lbs.?I am completely stock as I have heard our tranny won't take much more.Sorry wrong generation opened.

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Should peak about 30-32 psi.

Thanks. My powerstroke (last diesel) began at 19.5 factory stock, in fifth over. After the ford dealer finished, I had only 13 lbs of boost, made mods and added a programer to get up to 17 boost.
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  • 1 month later...
Guest jaffspage

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  • 3 months later...

I drive with my boost guage. Max boost is 100% power. At 75% boost my auto trans will shift down with a 17K load. If I am pulling a little rise, I may back out to keep the trans from downshifting as it will only up shift after the hill and that wasts fuel. They are much cheaper than a pyro and tell you more about power usage. My last old antique 1991 can only handle 60% boost for an extended time before the trans will heat.

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  • Staff

I drive with my boost guage. Max boost is 100% power. At 75% boost my auto trans will shift down with a 17K load. If I am pulling a little rise, I may back out to keep the trans from downshifting as it will only up shift after the hill and that wasts fuel. They are much cheaper than a pyro and tell you more about power usage. My last old antique 1991 can only handle 60% boost for an extended time before the trans will heat.

That's only true if you don't have a wastegate in operation. With a wastegate you can hit max boost at less than max power. The boost gauge does show work better than an EGT gauge, but the pyro is just as important for motor longevity, if not more important.
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