mfg Posted March 22, 2017 Report Share Posted March 22, 2017 Can anyone name four mechanical changes Studebaker made on the EXTERIOR of R2 Avanti engines between 'early' '63 and 'late' '64? Link to comment Share on other sites More sharing options...
brad Posted March 23, 2017 Report Share Posted March 23, 2017 (edited) no I can think of cosmetic changes, not mechanical Edited March 23, 2017 by brad Link to comment Share on other sites More sharing options...
1963r2 Posted March 23, 2017 Report Share Posted March 23, 2017 Could one be the Fuel filter on top of the motor? Updated water pump pb Link to comment Share on other sites More sharing options...
mfg Posted March 23, 2017 Author Report Share Posted March 23, 2017 14 hours ago, 1963r2 said: Could one be the Fuel filter on top of the motor? Updated water pump pb The fuel filter is definitely one!...but I must admit that I never realized a change was made to the water pump! can anyone think of the others? Link to comment Share on other sites More sharing options...
r1lark Posted March 24, 2017 Report Share Posted March 24, 2017 (edited) The lifter valley cover finish (paint versus chrome)? And was there some sort of change in the bonnet vent flap? Edited March 24, 2017 by r1lark Link to comment Share on other sites More sharing options...
Warren Webb Posted March 24, 2017 Report Share Posted March 24, 2017 Carburetor model # was different. PCV system revised? Link to comment Share on other sites More sharing options...
mfg Posted March 24, 2017 Author Report Share Posted March 24, 2017 21 hours ago, r1lark said: The lifter valley cover finish (paint versus chrome)? And was there some sort of change in the bonnet vent flap? The lifter cover is one of the changes!....Don't know about that bonnet flap though! Link to comment Share on other sites More sharing options...
mfg Posted March 24, 2017 Author Report Share Posted March 24, 2017 16 hours ago, Warren Webb said: Carburetor model # was different. PCV system revised? The carb was definitely one of the changes!....Only one (rather major) change left!! (That I know of!!)...Can anyone think of it? Link to comment Share on other sites More sharing options...
mfg Posted March 31, 2017 Author Report Share Posted March 31, 2017 We're still looking for that last 'changed' item here! Link to comment Share on other sites More sharing options...
1963r2 Posted March 31, 2017 Report Share Posted March 31, 2017 I thought the air filter might be different in design. pb Link to comment Share on other sites More sharing options...
mfg Posted April 1, 2017 Author Report Share Posted April 1, 2017 39 minutes ago, 1963r2 said: I thought the air filter might be different in design. pb YOU GOT IT!...The air cleaner assy. was extensively modified in '64! Link to comment Share on other sites More sharing options...
brad Posted April 3, 2017 Report Share Posted April 3, 2017 Cosmetic changes to the valley pan don't qualify as mechanical changes. Link to comment Share on other sites More sharing options...
mfg Posted April 3, 2017 Author Report Share Posted April 3, 2017 1 hour ago, brad said: Cosmetic changes to the valley pan don't qualify as mechanical changes. Not true!...A change from a fully chrome plated to a painted (probably furnished in bare steel) valley cover would normally call for a different part number. That indeed is a 'mechanical change'! Link to comment Share on other sites More sharing options...
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