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Big Block Talk! Everything about swapping a big block engine into your cart! |
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12-19-2021, 11:11 PM | #1 |
Not Yet Wild
Join Date: May 2020
Location: Omaha, NE
Posts: 27
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780 clutch engagement speed
I have a 2012 txt with a 440 duromax- I am not sure what engagement speed to get for the clutch. I have seen a 1700/2200 engagement, and the engine makes peak torque at 2500 rpm. Will the1700 give better low rpm drivability, and the 2200 a jump off the line? I am looking to get good overall driving, not wheelie like torque.
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12-20-2021, 10:21 AM | #2 |
VC 460 CLONE GONE WILD
Join Date: Oct 2014
Location: Ray BY The Bay NJ
Posts: 10,593
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Re: 780 clutch engagement speed
The lower engagement rpm will be smoother. In fact on my 780 I went to the lower rpm green springs and the lighter 68 gram weights for a lower rpm engagement and faster shift over to the high position.
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12-20-2021, 08:24 PM | #3 |
Not Yet Wild
Join Date: May 2020
Location: Omaha, NE
Posts: 27
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Re: 780 clutch engagement speed
I went with a 780 from Vegas carts, I believe it is a 1700. Sounds like I could change the weights if it launched too hard. All I should
Need is some Output shaft spacers |
12-21-2021, 11:26 PM | #4 |
Searching for The Way
Join Date: Oct 2009
Location: Medina, Ohio (NEOHIO)
Posts: 11,421
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Re: 780 clutch engagement speed
Get the lower rpm engagement. 2200 rpm would be better suited to a 2 stroke engine or a high performance machine. Most of the 4 stroke 780's come setup perfect out of the box if they are genuite Comet units. If you end up getting a cheaper chinese version all bets are off, not a fan of cheap copies.
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12-22-2021, 02:03 AM | #5 |
Not Yet Wild
Join Date: May 2020
Location: Omaha, NE
Posts: 27
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Re: 780 clutch engagement speed
Is Vegas 780 genuine, or imported by the house to market as authentic?
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12-22-2021, 06:26 AM | #6 |
VC 460 CLONE GONE WILD
Join Date: Oct 2014
Location: Ray BY The Bay NJ
Posts: 10,593
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Re: 780 clutch engagement speed
My comet 780 was genuine from Vegascarts. BUT still I wanted a softer smoother launch. The weight and spring change worked our perfectly for me. But again I will add I use my cart on a flat island and smooth cruising with a quick shift over was my end goal.
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12-22-2021, 10:32 PM | #7 |
Searching for The Way
Join Date: Oct 2009
Location: Medina, Ohio (NEOHIO)
Posts: 11,421
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Re: 780 clutch engagement speed
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12-23-2021, 11:16 PM | #8 |
Gone Wild
Join Date: Jun 2011
Location: Kingston Springs Tn.
Posts: 874
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Re: 780 clutch engagement speed
I got both of my comet 780s from Gopowersports their engagement is about 1900 which I really like because of being able to change gears without grinding they also are usually a little cheaper than others also engagement is still very smooth and launch’s like you wouldn’t believe
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12-24-2021, 04:19 PM | #9 |
Not Yet Wild
Join Date: May 2020
Location: Omaha, NE
Posts: 27
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Re: 780 clutch engagement speed
Do the comets have any identifying marks to determine their setup?
Last edited by Cavycoco123; 12-24-2021 at 06:03 PM.. Reason: Duplicate |
12-24-2021, 06:01 PM | #10 |
Not Yet Wild
Join Date: May 2020
Location: Omaha, NE
Posts: 27
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Re: 780 clutch engagement speed
The 780s are indeed authentic comets. I will ask Vegas what the engagement rpm is-I was hoping for the 1700. Does anyone have suggestions for clutch spacers in case the motor mount doesn’t have enough wiggle room?
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Tags |
780, clutch, clutch tuning, comet, duromax |
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