Converting a Mercruiser 350 Magnum to EFI: A DIY project
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- Опубликовано: 11 сен 2024
- In this video I remove a traditional 4 barrel carburetor on a 1989 Wellcraft and replace it with a Jegs Bandit Throttle body fuel injection. No more Quadrajet carburetor issues and hopefully smoother starts with efficient operation offered by todays modern electronic controlled fuel delivery. The old 350 Magnum Mercruiser gets a massive upgrade!
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Great job on the welding and adapting Andy! 😁👍
Thanks Zane! I was pretty happy with the end result on this one. I started on it and made things up as I went. I hope it works out well for them. Thanks for watching my Friend! 👍😁
Nice job on the install Andy. I honesty would have just found a good quadrabog guy to rebuild the old carb. Just FYI marine applications are sometimes different from automotive. I've seen carbs and intakes machined at a slight angle lless than 90 degrees from the block to keep fuel levels in the carb correct when the boat is getting out of the hole and trimming out on plane. Thanks for posting.
Good point, I never thought about a different intake to compensate for boat ride angles. This customer wanted the smooth easy starts EFI provides. I think they are going to enjoy its performance. I will assist them in a couple more tests to verify it's functioning correctly. So far out of the box it's working great with a little IAC adjustment. Thanks for watching and sharing my Friend! 👍😁
Another good Job Andy 👍🇺🇲
Thanks Donnie! It was a fun little project using new technology. I hope it works out well for them! Thanks for watching my Friend! 👍😁
Great job! You can do it all.
I try to be multi-functional, though sometimes I am not the best at certain tasks..... Painting is one of them. Thanks for watching my Friend! 👍😁
Good job as always!
Thanks! I appreciate you taking time to watch 👍😁
Been wanting to use this set up on my boat, Question, how does system handle the shift interrupt sequence? Most fuel Ing system's recover from a misfire with a high idle and then return to the set idle speed. have you encountered this problem if so, how did you overcome it. Thanks for any info.
This system was only tested a few times. It needs a few more tests / adjustments to fully dial it in and answer with confidence. You are correct, upon engaging / disengaging it bumps the idle up to prevent a stall. I adjusted the IAC settings on the unit in an effort to reduce the speed up. The system allows access to the gain settings on ramp up and ramp down on the IAC. I attempted to reduce the rate at which it ramps up and increase the rate at which it ramps down off high idle. I contacted Jeg's to see if they had an optimal set of settings for this application and they do not. They did tell me I was on the right path with making adjustments and this system doesn't have a complicated idle 'chasing' system some of the more expensive units have. Thanks for watching! 👍😁