G16a predator 670 belt??

..SNAKEBIT.. · 07-10-2018, 03:12 PM

putting a 670 in my g16, with a new 780 clutch from VC
and was wondering, if there is a belt I should have to help with
clutch alignment & center to center.
or is there a ctr to ctr measurement for clutches I should use.
any help or suggestions would be helpful
Thanks

PS. cart has a 5" lift so I will be droping the frt and maybe extend reward a inch or so??

raydhd · 07-10-2018, 04:56 PM

There is a sticky on belt calculation in the overall big block section here

Shepard · 07-10-2018, 04:58 PM

There's a belt length calculator in the stickys above.

..SNAKEBIT.. · 07-10-2018, 10:03 PM

I understand about the belt calculator
I thought when positioning the motor if I had a belt that was possibly the right size
it would make the placement of the motor easier.

Was hoping someone that did it already would say belt number fit well

fstg21 · 07-12-2018, 03:38 PM

Quote:

Originally Posted by ..SNAKEBIT..

I understand about the belt calculator
I thought when positioning the motor if I had a belt that was possibly the right size
it would make the placement of the motor easier.

Was hoping someone that did it already would say belt number fit well

Run the calculator and change the numbers to fit what you need.

Every install is different. If you set it up and you can't find a belt in that size, you can use the numbers backwards to find how far you need to move the engine one way or the other to make the belt you can find fit.

46" belt is the basic shown in the calculator, or if you have a 48" you move the center to center till it shows 48" then you know what to adjust.

..SNAKEBIT.. · 07-15-2018, 02:43 PM

Diameter of the center of the drive pulley with a belt wrapped around it in inches?
I have no belt to wrap around to measure.
secondary clutch = 9"
center to center max 13.38 or shorter, better clearance for oil cooler & differential

so am I looking for a 1-3/16" X @ ? " belt?
would like to find a common size.

where to hook fuel pump pulse?

would like to have pedal start.

..SNAKEBIT.. · 07-15-2018, 10:47 PM

ok think I have it figured out
13.125 ctr
2.4
9
44.9868
1
45.1338
Dayco HP2011
motor has its own pump
going to use key start.

Shepard · 07-16-2018, 04:54 AM

The diameter of a 780 drive clutch is 7.250

fstg21 · 07-16-2018, 11:50 AM

Quote:

Originally Posted by Shepard

The diameter of a 780 drive clutch is 7.250

inside diameter, not outside.

all the way open where the belt sits 2.4 sounds correct. The HP2011 is an easy belt to find and cheap as well. I have used it on several Yamaha builds.

I have done alot of 670 swaps. cooler clearance is always tough.

..SNAKEBIT.. · 07-16-2018, 06:38 PM

Quote:

Originally Posted by fstg21

inside diameter, not outside.

all the way open where the belt sits 2.4 sounds correct.

Diameter of the center of the drive pulley with a belt wrapped around it in inches
I had no old belt to wrap & measure, so I estimated

07-10-2018, 03:12 PM	#1
..SNAKEBIT.. Not Yet Wild Join Date: Mar 2016 Posts: 30	G16a predator 670 belt?? putting a 670 in my g16, with a new 780 clutch from VC and was wondering, if there is a belt I should have to help with clutch alignment & center to center. or is there a ctr to ctr measurement for clutches I should use. any help or suggestions would be helpful Thanks PS. cart has a 5" lift so I will be droping the frt and maybe extend reward a inch or so??
..SNAKEBIT.. Not Yet Wild Join Date: Mar 2016 Posts: 30

07-10-2018, 04:56 PM	#2
raydhd VC 460 CLONE GONE WILD Join Date: Oct 2014 Location: Ray BY The Bay NJ Posts: 10,633	Re: G16a predator 670 belt?? There is a sticky on belt calculation in the overall big block section here

07-10-2018, 04:58 PM	#3
Shepard Crazy Ole Man Join Date: Jan 2016 Location: Owego NY Posts: 2,758	Re: G16a predator 670 belt?? There's a belt length calculator in the stickys above.

07-10-2018, 10:03 PM	#4
..SNAKEBIT.. Not Yet Wild Join Date: Mar 2016 Posts: 30	Re: G16a predator 670 belt?? I understand about the belt calculator I thought when positioning the motor if I had a belt that was possibly the right size it would make the placement of the motor easier. Was hoping someone that did it already would say belt number fit well
..SNAKEBIT.. Not Yet Wild Join Date: Mar 2016 Posts: 30

07-15-2018, 02:43 PM	#6
..SNAKEBIT.. Not Yet Wild Join Date: Mar 2016 Posts: 30	Re: G16a predator 670 belt?? Diameter of the center of the drive pulley with a belt wrapped around it in inches? I have no belt to wrap around to measure. secondary clutch = 9" center to center max 13.38 or shorter, better clearance for oil cooler & differential so am I looking for a 1-3/16" X @ ? " belt? would like to find a common size. where to hook fuel pump pulse? would like to have pedal start.
..SNAKEBIT.. Not Yet Wild Join Date: Mar 2016 Posts: 30

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07-15-2018, 10:47 PM	#7
..SNAKEBIT.. Not Yet Wild Join Date: Mar 2016 Posts: 30	Re: G16a predator 670 belt?? ok think I have it figured out 13.125 ctr 2.4 9 44.9868 1 45.1338 Dayco HP2011 motor has its own pump going to use key start.
..SNAKEBIT.. Not Yet Wild Join Date: Mar 2016 Posts: 30

07-16-2018, 04:54 AM	#8
Shepard Crazy Ole Man Join Date: Jan 2016 Location: Owego NY Posts: 2,758	Re: G16a predator 670 belt?? The diameter of a 780 drive clutch is 7.250

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