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| 2016 4400HD vs 2017 HDR37EFI - Differences? http://mudmotortalk.com/mmt_v2/viewtopic.php?f=2&t=75257 |
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| Author: | kawriverfowler [ Fri Aug 21, 2020 3:02 pm ] |
| Post subject: | 2016 4400HD vs 2017 HDR37EFI - Differences? |
Is there much difference in power between these two? |
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| Author: | Russ [ Fri Aug 21, 2020 3:54 pm ] |
| Post subject: | Re: 2016 4400HD vs 2017 HDR37EFI - Differences? |
It's noticeable. #CFFITR #mudmotor>physics |
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| Author: | kawriverfowler [ Sat Aug 22, 2020 8:50 am ] |
| Post subject: | Re: 2016 4400HD vs 2017 HDR37EFI - Differences? |
in which direction? |
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| Author: | Russ [ Sat Aug 22, 2020 9:53 am ] |
| Post subject: | Re: 2016 4400HD vs 2017 HDR37EFI - Differences? |
The 37 is basically a 35 with better fueling (efi). The 4400 has more compression, better head flow (somewhat), and better fueling (carb), don't remember if it has an exhaust, but probably does. The 4400 is stronger. #CFFITR #mudmotor>physics |
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