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Is that it for mechanical alignment?


Not quite, but it's the worst of it - and the part I spent a lot of time on with the mockup so it would hopefully come out right and not waste expensive aluminum and machine time.

I've now final mounted the blower and inlet pipe and find the two supports (fore and aft) are very slightly misaligned - nothing serious. In this photo you can see the rear support brace hole needs about 6 strokes with a rat-tail file to get the bolt in:
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The nose brace shown in this photo will screw/clamp onto the nose, butt to the machine cut and then be secured by a screw through the front of the brace into the alternater serpentine belt shroud hole and another yet-to-be welded brace tab on the upper rear of the brace to the top hole on the alternator saddle mount. The brace will also be through-drilled for the idler bolt:
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Here you can see that it appears I missed the measurement on the nose milling by approximately .015" <img src="/forums/images/graemlins/wink.gif" alt="" /> so either I have to mill the rear of the brace... or give the alternator saddle boss about 3 strokes with a flat file <img src="/forums/images/graemlins/lol.gif" alt="" />:
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Actually, everything is so dang close I probably could have hit the blower with a rubber hammer before I tightened everything down and all would have been perfectly aligned. <img src="/forums/images/graemlins/kewl.gif" alt="" />
Here you can see the IAC hoses routed from the rear pipes through the hose clamps... I'll cover those with some split loom to avoid chafe on the blower plenum edges:
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I need to adjust the CCV hose angle a little better to get it to nestle between the IAC heater hoses before I zip-tie it to all together. Here you can see the hoses coming around the other side of the blower to be installed to the IAC and inlet air duct:
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Tomorrow I hope to find time to lengthen the various wiring harnesses... and I still have to shorten the throttle and kickdown cables, change the IAC hose fittings and construct an inlet air duct before I can try to start it. It sure shouldn't be as long as it's been, though.

Frank


'89 [color:"white"]G-Raider[color:"white"] [color:"black"]Supercharged 3.0L, MegaSquirt 2, lockup A/T, 2.5" exhaust, 172k, Cibie H4s/Oscar SCs, Hella Micro DE fogs, Cobra CB, Superwinch hubs, LSD rear/Aussie Locker front, Bilsteins, Lifeline AGM, Rust-Oleum