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  1. H

    Project is stalled. Cannot solve brake problem

    Kudos to Ricko1966 for his detailed and patient suggestions and to the OP for his perseverance and eventual willingness to follow good reason.
  2. H

    2.73:1 Rear - Do I have a chance in hell to......

    I have 4:11 front and rear with 31 inch tires but I have an O/D 4th gear on my manual transmission. It was changed from 3:08 when the speed limit was 55 MPH. Its the perfect setup for hauling wood and plowing but not for long distance highway travel.
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    LE9 305 w ESC Performance upgrades '86 k5 Blazer

    I think you are correct I think there is a box behind the glove box which was the predecessor to the first ECM. I've always said you could remove my '83 engine and the check engine light wouldn't come on :dancingpoop: This looks like a good article on vacuum advance...
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    LE9 305 w ESC Performance upgrades '86 k5 Blazer

    Where is the ESC Module located? Does this work with the knock sensor to retard timing? I remember there was a TSB back in the 80's, my 305 was pinging and the dealer installed two small canisters tied to the vacuum line at the distributor. I think they acted to delay vacuum advance. I tried...
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    2.73:1 Rear - Do I have a chance in hell to......

    I found this torque curve info for an '83 305 V8 Blazer https://www.automobile-catalog.com/curve/1983/466385/chevrolet_blazer_k10_hardtop_5_0l_v-8_wesc_4-speed.html#gsc.tab=0
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    Are locking hubs factory or personal add on?

    Update to my prior post: I called Miles Marker Tech Support and their -104 hub DOES come with an O ring (Post #27 was incorrect). It's already installed on the hub and is not part of the separate bag of parts in the kit. It is available for purchase separately if ever needed: Mile Marker O Ring...
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    Are locking hubs factory or personal add on?

    I'm considering converting my auto locking hubs to Manual. Can somebody please set me straight on the O ring with Mile Marker 104 hubs? According to post #27 this hub does not come with an O ring which I would think is needed to seal out water - is that correct? Do you have to order it...

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