That aluminum pump probably is a stage 3 stewart warner,which is not oem.it has the bolt on the back of it,to prevent timing cover flex at the cam area,i got one sitting here in the shop. 😮 😮 😮
Aluminum oem chev.pumps are not short either....
Chevrolet Small Block
Short Stage 3 - 32200
Chevrolet Small Block - Short
1955-68 Passenger Cars
1955-72 Light Trucks
5.625" Length
3/4" Bearing
3/4" Shaft
Special Severe Duty Pump
Adjustable mounting holes
High Flow Pump
Cast Aluminum Finish
The Stage 3 has been Stewart’s most popular pump for over 10 years.
Models with 3/4" ball/roller bearings offer five times the strength of standard bearings
High flow impeller
Equal flow to left and right cylinder heads
High flow and pressure
356-T6 heat treated aluminum specially ribbed casting
Zinc-plated rear cover and bolts
Extra rigid cam stop with 3/8" adjustment screw for small block models
Two 1/2" NPT auxiliary inlets
Extra material on small block Chevrolet models for installing external lines to center of the cylinder heads
Precision ground ½” steel billet fan hub with dual bolt pattern for perfect pulley alignment
Fan hub set screw for positive positioning
Quantity in Basket: none
Code: 32200
Price:$203.95
Its so hard to tell,but christ it could be this one too.. 😉
Chevrolet Small Block
Short Stage 4 - 42200
Chevrolet Small Block - Short
1955-68 Passenger Cars
1955-72 Light Trucks
5.625" Length
3/4" Bearing
3/4" Shaft
Special Severe Duty Pump
Adjustable mounting holes
High Flow Pump
Cast Aluminum Finish
The Stage 4 Pumps incorporate the all new DRV-series 8 vane CNC machined 6061-T6 billet aluminum impellers. Developed by Stewart Components, these impellers flow up to 41% more water at twice the pressure than traditional designs... while consuming less horsepower.
These are premium water pumps and carry the following features:
Models with 3/4" ball/roller bearings offer five times the strength of standard bearings
Equal flow to left and right cylinder heads
High flow and pressure
356-T6 heat treated aluminum specially ribbed casting
Maximum flow close tolerance DRV-8 aluminum impeller
Zinc-plated rear cover and bolts
Extra rigid cam stop with 3/8" adjustment screw for small block models
Two 1/2" NPT auxiliary inlets
Extra material on small block Chevrolet models for installing external lines to center of the cylinder heads
More flow than any pump available
More pressure than competing pumps
Less horsepower consumption XXXXXXXXXXXXXXXXXXXX BINGO
Precision ground ½” steel billet fan hub with dual bolt pattern for perfect pulley alignment
Fan hub set screw for positive positioning
Quantity in Basket: none
Code: 42200
Price:$320.95
lol....i can't beleive there is four pages about using aluminum water pumps and hoods??....your not going to get any faster for the money fellows....I have set up 3 winning SS cars in the last cpl yrs,just remember one thing if you want to get to the front......,money doesn't allways make you faster,measuring does!!.... 😉
lol....i can't beleive there is four pages about using aluminum water pumps and hoods??....your not going to get any faster for the money fellows....I have set up 3 winning SS cars in the last cpl yrs,just remember one thing if you want to get to the front......,money doesn't allways make you faster,measuring does!!.... 😉
Ya,your so right Howie!!Myself,i be more worried about those altered upper control arm mounts in that photo,then anything!!!! 😮