Given the Sporty failure rate I'm not so sure I'd spend the money. You can buy several used HPDI lowers for what one Sporty is worth.
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| HPDI lower units https://hpbc.ca/viewtopic.php?f=19&t=2905 |
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| Author: | ONTBULLET [ June 17th, 2015, 7:02 am ] |
| Post subject: | HPDI lower units |
How are the stock HPDI lowers holding up with surfacing props? Anyone had to go to the fatshaft conversion that HT sells? Thanks |
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| Author: | Crashtestdummie [ June 17th, 2015, 8:56 am ] |
| Post subject: | Re: HPDI lower units |
ever thought about a sportmaster conversion ? |
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| Author: | allstock [ June 17th, 2015, 9:07 am ] |
| Post subject: | Re: HPDI lower units |
ONTBULLET wrote: How are the stock HPDI lowers holding up with surfacing props? Anyone had to go to the fatshaft conversion that HT sells? Thanks I surface the crap out of mine with a 15 1/8" diameter big three blade and no issues so far. I modded it for low(er) water pick up and the videos shows the water at speed hitting the lower about a 1/2" below the tip of the cone, doesn't get much more surfaced than that. |
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| Author: | ONTBULLET [ June 17th, 2015, 10:15 am ] |
| Post subject: | Re: HPDI lower units |
Crashtestdummie wrote: ever thought about a sportmaster conversion ? Current motor has one. Definetly a good way to go, but costly. Was just curious how the stock HPDIs were holding up. |
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| Author: | ONTBULLET [ June 17th, 2015, 10:15 am ] |
| Post subject: | Re: HPDI lower units |
allstock wrote: ONTBULLET wrote: How are the stock HPDI lowers holding up with surfacing props? Anyone had to go to the fatshaft conversion that HT sells? Thanks I surface the crap out of mine with a 15 1/8" diameter big three blade and no issues so far. I modded it for low(er) water pick up and the videos shows the water at speed hitting the lower about a 1/2" below the tip of the cone, doesn't get much more surfaced than that. Good to know. Thanks |
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| Author: | Crashtestdummie [ June 17th, 2015, 10:33 am ] |
| Post subject: | Re: HPDI lower units |
ONTBULLET wrote: allstock wrote: ONTBULLET wrote: How are the stock HPDI lowers holding up with surfacing props? Anyone had to go to the fatshaft conversion that HT sells? Thanks I surface the crap out of mine with a 15 1/8" diameter big three blade and no issues so far. I modded it for low(er) water pick up and the videos shows the water at speed hitting the lower about a 1/2" below the tip of the cone, doesn't get much more surfaced than that. Good to know. Thanks i will buy your sporty if your going to sell |
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| Author: | allstock [ June 17th, 2015, 11:01 am ] |
| Post subject: | Re: HPDI lower units |
Given the Sporty failure rate I'm not so sure I'd spend the money. You can buy several used HPDI lowers for what one Sporty is worth.
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| Author: | ONTBULLET [ June 17th, 2015, 11:08 am ] |
| Post subject: | Re: HPDI lower units |
Crashtestdummie wrote: ONTBULLET wrote: allstock wrote: ONTBULLET wrote: How are the stock HPDI lowers holding up with surfacing props? Anyone had to go to the fatshaft conversion that HT sells? Thanks I surface the crap out of mine with a 15 1/8" diameter big three blade and no issues so far. I modded it for low(er) water pick up and the videos shows the water at speed hitting the lower about a 1/2" below the tip of the cone, doesn't get much more surfaced than that. Good to know. Thanks i will buy your sporty if your going to sell Its bolted to a 16 inch mid so it wouldnt be cheap.  PM me if your serious Id have to really think about it but you never know money talks. |
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| Author: | beavertonae-21 [ June 17th, 2015, 12:41 pm ] |
| Post subject: | Re: HPDI lower units |
The HT fat shaft kit is NOT cheap either
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| Author: | DoktorC [ June 17th, 2015, 2:03 pm ] |
| Post subject: | Re: HPDI lower units |
HPDI lowers seem fine...change your prop shaft every 100 hours to be safe if you run in and out of the water a lot. The sportie conversion from HT is ridiculous money for what you get....and the prize at the end in a couple mph and a grenade .The fat shaft fixes the one issue that the HPDI lower has and if it saves a lost prop than it's not so bad....but....I'll just buy a new shaft and roll the dice lol.Converting a sportie to 16" isn't crazy....not much more work than doing my HPDI (thx GeigerTech). |
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