still hearing the ideas of switching to the cad engine. Look carefully
before you jump. the olds is a vastly superior engine. The block is made
out of a different material and much harder and long lasting.
When looking at torque and horse power ratings be sure they are at the same
RPM. OLds 455 is tough to beat and a real stump puller
>This summer purchased a 78 Royale from the original owener in Cleveland Ohio.
>
>It has been a joy, and I have upgraded based on conversations seen on this
>site, and conversations with other GMC owners in the midwest.
>
>So far the only maintainence has been to replace the front schocks with
>Caspro units to match the rear.
>
>The nice to do upgrades have been:
>
>Alcoa rims with Bridgestone tires, I didn't get the load rating recommended
>here which probably means I erred, but the D ratings are working well so far.
>
>Replace front sway (should be anti sway) bar with a caspro unit (larger and
>urethane bushings)
>
>Next week installing disc brakes on mid and rear axels. 11 inch Cad
>Eldorado with 80mm calipers on the mid and stock Eldorado on the rear, also
>replacing the stock fronts with 80 mm. Will be putting on the carbon
>mettalic pads.
>
>If I can re do my work schedule will be at Forest City and may re do the
>instrument panel down their.
>
>Humbling to read some of your letters as I have so much to learn.
>
>Thanks for the advice.
>
>Chuck D
>78 Royale
>
>PS Second article in Car Craft on Cad Engine 600 ft lbs of torgue on pump
>gas. Too high an RPM for a motorhome, but with a different cam?
>
>
before you jump. the olds is a vastly superior engine. The block is made
out of a different material and much harder and long lasting.
When looking at torque and horse power ratings be sure they are at the same
RPM. OLds 455 is tough to beat and a real stump puller
>This summer purchased a 78 Royale from the original owener in Cleveland Ohio.
>
>It has been a joy, and I have upgraded based on conversations seen on this
>site, and conversations with other GMC owners in the midwest.
>
>So far the only maintainence has been to replace the front schocks with
>Caspro units to match the rear.
>
>The nice to do upgrades have been:
>
>Alcoa rims with Bridgestone tires, I didn't get the load rating recommended
>here which probably means I erred, but the D ratings are working well so far.
>
>Replace front sway (should be anti sway) bar with a caspro unit (larger and
>urethane bushings)
>
>Next week installing disc brakes on mid and rear axels. 11 inch Cad
>Eldorado with 80mm calipers on the mid and stock Eldorado on the rear, also
>replacing the stock fronts with 80 mm. Will be putting on the carbon
>mettalic pads.
>
>If I can re do my work schedule will be at Forest City and may re do the
>instrument panel down their.
>
>Humbling to read some of your letters as I have so much to learn.
>
>Thanks for the advice.
>
>Chuck D
>78 Royale
>
>PS Second article in Car Craft on Cad Engine 600 ft lbs of torgue on pump
>gas. Too high an RPM for a motorhome, but with a different cam?
>
>
GMDGM]
