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Last Updated: 12/3/2013
Resources
Throttle Body Mod
Harbor Freight
Address: Harbor Freight Customer Service, 3491 Mission Oaks Blvd., Camarillo, CA 93011-5034.
PHONE: 1-800-444-3353
Mo- Fri, 5:00 am to 6:30 pm PST
Technical product questions, please call 1-888-866-5797, Monday thru Friday, 5:00 am to 7:00 pm PST.
FAX: 1-800-905-5215 or
1-805-445-4912
Email: cs@harborfreight.com
Click here to visit their website. |
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Disclaimer
The fabrication, modifications and designs you see on this web site are completed by myself. If you duplicate these modifications you do so at your own risk. I do not endorse or make any claims to their safety, performance, On-road or off-road worthiness. Any "Product Reviews" are my sole and personal opinion. These reviews are on items purchased from or provided by reputable aftermarket suppliers. All registered trademarks belong to their respective owners. |
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My Magnum engine needed more air and the solution is buying fully machined performance throttle body from Hughes Engines or BBK or modifying the OEM stock throttle body.
I decided to mod the OEM which involves opening the TB intake from 49mm to 53mm, making two new butterflies and mount them to the OEM shaft. The original horns don't have the thickness to support the larger bore andneed to be shaved off.
It's an easy mod for me because I have a small machining setup utilizing a MiniMill and a 9x20 Lathe which I purchased quite some time ago from Harbor Freight Tools. This machine is not really the expensive part, it's the required tools and tooling can end up costing quite a bit of money. Without them, you can't so anything. |
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My small Machine Shop setup
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Installation
The basic procedure of this project is to remove the old throttle body from my vehicles Magnum engine, modify it, and reinstall it.
The entire project took about 10 hours and thus was accomplished on a single day but if I had a small Portable Soda Blaster like the one a friend of mine purchased from Harbor Freight Tools for about 100 bucks, it would have taking even less time as I wouldn't had to wait until he had time to do this. Definitely on my wishlist though ;-)
Verdict:
This mod was a lot of fun and for the cost of about $10.00 on material definitely one of the more affordable ones. I can definitely tell that there is a lot more power after modding the throttle body and response to throttle is a lot faster too.
I am more than happy with the outcome and I would do it again without hesitations with the nice bonus of being one of the cheaper mods I have done. This is a must do performance mod for this engine! This mod gets my stamp of approval!
This project was completed on 06-10-2008
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