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I was looking into getting a rebulit 275 or 280 duel prop drive
You may find a 280 DP, but it would be one of the first Duo Prop drives from around 1983.
But almost all these outdrives have deferent gear ratios from what I my have
Yes... the single prop drive ratios are quite different from the Duo Prop drive ratios.
BYW... with exception to the "E" drive, all ratio changes occur within the lower unit.
and Volvo Manuel does not tell me if or how to mount deferent drives to my 260b motor.
The Duo Prop lower unit is all that's required.
(w/ the C and later unit, the long vertical shaft coupler is required)
The Duo Prop lower unit will mount to your existing Intermediate housing.
(the correct shimming procedure must be followed)
Di you know if I can swap vp aq outdrives with this motor . do I need peace upper and lower sections or is there a adaptor
that can go from universal joint to bell housing
There is no need to swap entire out drives..... only the lower unit.
Your engine demands the 1.95:1 lower unit.
NOTE:
The actual reduction is a combination of the transmission reduction and the lower unit reduction.... rendering this a 1.95:1 over-all ratio.
By the way....... any of the main stream AQ series Duo Prop lower unit in the 1.95:1 ratio can be made to work with your existing drive components.
Volvo Penta's first counter rotating propeller drive was introduced in 1983 as the 280 Duo Prop.
This style drive ran into the mid 90's as the Duo Prop or DP....... not to be confused with the DP-S drives, of which also ran into the 90's and later.
Any of the pre- "C" DP lower units will require the short vertical shaft spline coupler.... same as what you now have.
Any of the "C" and later DP lower units will require the long vertical shaft spline coupler.
This is due to a change in length of the lower unit vertical shaft.
Thank you for all this great information
learned a lot
By the way....... any of the main stream AQ series Duo Prop lower unit in the 1.95:1 ratio can be made to work with your existing drive components.
Volvo Penta's first counter rotating propeller drive was introduced in 1983 as the 280 Duo Prop.
This style drive ran into the mid 90's as the Duo Prop or DP....... not to be confused with the DP-S drives, of which also ran into the 90's and later.
Any of the pre- "C" DP lower units will require the short vertical shaft spline coupler.... same as what you now have.
Any of the "C" and later DP lower units will require the long vertical shaft spline coupler.
This is due to a change in length of the lower unit vertical shaft.
Thank you for all this great information
learned a lot
I am working on my upper housing and was wondering what type of tool or tools do I need to use if I have to change the gears or bearings to measure the shims that I have to use and where I can get it
Also when I recondition the upper housing should I replace all
o rings and seals for the entire
drive
Thank you
1... Do you understand hypoid gear and bearing work?1.... I am working on my upper housing and was wondering what type of tool or tools do I need to use if I have to change the gears or bearings to measure the shims that I have to use and where I can get it
2..... Also when I recondition the upper housing should I replace all o rings and seals for the entire
drive
Thank you for all your great advice1... Do you understand hypoid gear and bearing work?
No offense, but if not..... you may want to have an experienced person help you.
Unless damaged..... I highly doubt that you'll be replacing the gear set!
2..... Yes!
.
This is why an experience person would have been beneficial to you.Thank you for all your great advice
one thing
We. Have. One. Bolt. Left. To. Get. Out. Of. The. Upper. Housing. Can't. Use. Allen. Wrench. Because. Opening. Is. Rounded. Out. Do. You. Have. Any. Ideas. On. What. To. Do. Other. Three. Bolts. We're. Rusted. Out. Very. Bad. Also. How. Can. Water. Get. Into. That. Section. Of. The. Housing. To. Cause. All. The. Bolts. To. Be. Rusted. That. Bad
1... Do you understand hypoid gear and bearing work?
No offense, but if not..... you may want to have an experienced person help you.
Unless damaged..... I highly doubt that you'll be replacing the gear set!
2..... Yes!
How can I tell if I have a 275 TRANS or 275 a
we have the ujoint and collar out from the housing
We notice the shims are corroded between collar and gear box
All the gears and bearings look in good shape
These shims will have to be replaced
if I get the new shims same thickness
will I need to do testing or can I put it back together
With these new shims with new seals and orings
thank you