87 5000SQ Throttlebody rebuild

Old 01-02-2017, 05:07 PM
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Default 87 5000SQ Throttlebody rebuild

Has anyone ever rebuilt one of these. Where can you get the bearings. I've searched for the INA F96748 bearings to no avail on the net. I've attempted to use suitably sized o-rings in place of the crumbling seals but they are simply too tight and the throttle plate shafts do not return to the fully shut position without assistance.

Shokan wants $145 for a used unit that will probably need rebuilding too. The idle microswitch on mine shot and I broke the crap out of it trying to get it apart so I'm going to need a new idle/wot switch combo for it.

Any assistance would be greatly appreciated. I've almost finished rebuilding the engine so it will be brand spanking new after running for 278K miles over the past 30 years. I hope to get her back on the road this spring sometime.

Thanks,
Dave
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