75 stinger ft

[kems]

i found a 75stinger ft on ebay australia.
i am thinking of buying it and puting it on a thundercat inflatable, with tiller steer.
does anyone has specs about this motor?
i need weight, rated hp and anything else people know about these motors.
looks pretty clean, and not very expensive.

http://cgi.ebay.com.au/ws/eBayISAPI.dll?ViewItem&item=220257186047

[Mark75H]

I do not know exactly how that motor was configured and sold in Australia, but I do not believe it was sold like that in the US and Europe. For one thing, I thought if it had the 2 barrel carbs, the correct head would be the high compression head and not the "standard" head. I also thought the pointy nosecone lower unit was a feature of a much newer motor (SST60 in the US). I see that the seller says he has extra gearboxes that go with it. Perhaps he has the original gearbox as well, but I'd take heed that with what he says about the spare parts the motor may not be a "genuine FT" ... sounds more like it is an amalgamation of parts.

I'm sure Fred will chime in with the estimated hp of the US version of the FT in complete form, but the motors were sold as race motors and never had official hp ratings. If it is correct as the seller describes the estimated hp of the US version would be considerably more than the Australian version. Weight is approximately 200 pounds.

[John Schubert T*A*R*T]

I do not know exactly how that motor was configured and sold in Australia, but I do not believe it was sold like that in the US and Europe. For one thing, I thought if it had the 2 barrel carbs, the correct head would be the high compression head and not the "standard" head. I also thought the pointy nosecone lower unit was a feature of a much newer motor (SST60 in the US). I see that the seller says he has extra gearboxes that go with it. Perhaps he has the original gearbox as well, but I'd take heed that with what he says about the spare parts the motor may not be a "genuine FT" ... sounds more like it is an amalgamation of parts.

I'm sure Fred will chime in with the estimated hp of the US version of the FT in complete form, but the motors were sold as race motors and never had official hp ratings. If it is correct as the seller describes the estimated hp of the US version would be considerably more than the Australian version. Weight is approximately 200 pounds.

Sam,
They look like 2 barrel carbs to me. And yes, they didn't have nose cones. I actually had one on a Cobia tri-hull when I was racing for OMC & was still with Lawn-Boy.

[MN1]

Yes, but didn't Lars Strom say that he used this type of motor in SE class in Sweden? A FT Sport E to be exact.
Mark N

[John Schubert T*A*R*T]

Yes, but didn't Lars Strom say that he used this type of motor in SE class in Sweden? A FT Sport E to be exact.
Mark N

Might have, the class in Europe was actually OE. If so then, they allowed nose cones, and knowing Paul Kalb, he no doubt pioneered it's use. I don't recall that they were used in APBA Sport E, as the SE motor was the same as the one you purchased from your local dealer. As Sam pointed out, it looks like the SST 60 gear case. The SST 60 was a race motor from OMC, unlike the Stinger 75.

[MN1]

From the color of the motor it should be a 1975 motor. What year did Merc come out with the 650xs? Maybe this was made to compete with Mercury's 650xs or the other way around?
Mark N

[kems]

so comparing it with the 650xs, i think the merc would be more suitable for my application. i found a 650xs for 1500, which is alot cheaper then this motor, lighter, and would be easier to find a tiller since some mercury models came with tillers.
what does everyone else think?

[Mark75H]

You'd be giving up both power and reliability with the Merc. The specs show the Merc 40 pounds heavier, too. Don't know where you got the idea it would be lighter???

[Mark75H]

From the color of the motor it should be a 1975 motor. What year did Merc come out with the 650xs? Maybe this was made to compete with Mercury's 650xs or the other way around?
Mark N

My list shows the first year for the 650XS as 1976; but the OMC racer stuff is fuzzy. Hard to pin most of it down because of different availability here and Europe.

[Timelord74]

My dad was a Johnson dealer in Australia in the 70's and we certainly sold a few of these motors. I can confirm that they came with a through hub exhaust and definitely no nose cone on the gear box. From memory they were quoted as 75hp by the OMC factory in Australia. The main attraction of the motor was that it had a short shaft midsection but could still be raced in the standard production classes that were the prevalent in Australia at the time. The Merc 650xs was around at the same time but couldn't get anywhere near the performance of the OMC triples.

[Fast Fred]

made 95hp, it'll bolt right on, close off the top two water pickup holes. under 200lbs:cool:

FT's are white, no nose cone, Nitro foot. would have to say some one built that one on ebay, no sure on the front half on the ebay one, dose look to have the right exhaust, fly wheel is wrong, but thats ok, compresion should be at least 180psi a cross.:cool:

[Mark75H]

My dad was a Johnson dealer in Australia in the 70's and we certainly sold a few of these motors. I can confirm that they came with a through hub exhaust and definitely no nose cone on the gear box. From memory they were quoted as 75hp by the OMC factory in Australia. The main attraction of the motor was that it had a short shaft midsection but could still be raced in the standard production classes that were the prevalent in Australia at the time. The Merc 650xs was around at the same time but couldn't get anywhere near the performance of the OMC triples.

Bruce are you sure the ones your dad sold had the 3 two-barrel carbs?


Fred, thanks for pointing out that it doesn't have what is known as the correct FT flywheel in the US. I am leaning toward thinking it is a collection of parts and not a 100% accurate (Australian or otherwise) version of the FT. I wonder how much power a std 75 would make by just changing to the 3 2's front ... probably not the 95hp of the higher compression, ported FT.

[Fast Fred]

without the finger ports, and the exhaust ports and plates it will not make the power on the top, but with short rods it will make good low end and mid.

[Bill Gohr]

Well if you look at the pics closer, I would say those are the wrong carbs, they're not 1", the intake manifold for the 2's bolts on to the stock front half so that isn't an OE motor, the flywheel is the 72 65hp so that motor is a conglomeration of parts.

[Mark75H]

Thanks Bill.

[Fast Fred]

Stinger 75hp, and the FT 19s are two separate motors. dose look like thare is a plate to bolt the 19s intake to the stock front 1/2, thare is to many bolt bosses
on that front 1/2 to be a Stock 19s front. with out true Mod50 carbs she will never run right, they do look like Mod50 carbs , they made biger carbs than 1" for it.:cool:

[Bill Gohr]

yes but that version of the motor should have 1" carbs on it

[Mark75H]

Parts is parts

[Fast Fred]

yes, parts is parts, should have 1 inchers, throttle rod goes to the top carb, ect.

[kamikaze]

I seen that engine on ebay, it's back on, or was, I may be putting one of my 75 stinger powerheads on the market soon as I need to fund another engine , My 75 stinger powerhaed has the triple 2 barrel carbs on it, fred knows the one, would cost a great deal to get it from Oz to the US

I'll figure it out

Dave

[850cc racer]

hey, is yours the powerhead thats on their at the moment?

[kamikaze]

Thats it, I will sell it as a complete engine as well, gearbox mid hydraulics and prop, email for more info

[850cc racer]

ahh not really after any more motors, i have heaps:D
would like another FT frotn though :cool: