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Re: GM Hot Hydroboost
Posted to HD/Fleet Forum on 7/21/2020 4 Replies

Well I went and bought some fittings to plumb our gauge. At idle, it's at around 200 psi. According to Mitchell, there are 2 available pumps depending upon the RPO codes. Neither of the choices mat ch our truck. (One is a Hydroboost and the other is a Hydromax... Login to read more.

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