Another thing to consider is the Red Heads are limited to what you can do to the injectors.
there never was a different option to the ones that were designed for the red heads originally.
For all other heads the 6.5 injector will fit.
Plus the red heads may not have all the bolt holes required to bolt on the serpentine system.That happened on my Burb engin.
The heads that came off the donor were missing a bolt hole which i did not notice till i was installing the alternator/air pump mount.At that point i was not going backwards so i just went with one bolt not installed.
90 Chev 3500 c/c 4x4,6.2na,400 auto,4:10 gears.DSG Timing gears,main girdle, isspro tach, pyro,boost,oil and trany temp.Dual Tstats, High volume peninsular pump,on shelf, Custom turbo and intercooler 85%complete. Change of plans for the dually, it's going to get a Cummins. Both trucks are Blue 90 4x4 crews
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