Throttle Body Spacer

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Skitter302

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So I went on good ol amazon.com and was looking for Hop-Up parts for my bronco. Found a Trans-Dapt 2518 Torque-Curve MPFI Spacer (link)

TBS(s) have been controversial since they were made,some people say they work, and most think its a hunk of metal that does nothing. Honestly I don't know what to expect when I bought mine. I was hoping it would work like advertised on the box but I didn't hold my breath. Before mounting it up I painted mine and got a new set of gaskets by fel-pro to prevent any vacuum leaks.

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By now the Throttle Body Spacer has been on my Bronco for 3 months and I can say that it really doesn't make a difference. The TBS is actually an air restriction, it necks down the in coming airflow by 1/3 of an inch. This is why some people claim that they have better throttle response. This is the same affect as using a 500cfm carb instated of a 750cfm carb. Great drivability but it kills top end power to use a small carb.

    Thankfully we don't have to worry about top end power in late model Broncos because the cam can't make power past 4300rpm. So the fact the TBS creates an air restriction at the top of the rev range is null. In short, if you want your Bronco to have better drivability and make more power the [SIZE=20.1783px] Sixlitre Tune-Up @ ignition upgrade and timing bump[/SIZE]  and the tips found in the Project M.P.G. in a Centurion 460 @ http://performanceun...com/projectmpg/ Will have better results. For me the biggest change that I felt was the throttle response after cleaning mt Throttle Body. Thing was so Dirty it took 4 cans of carb cleaner to get rid of all the grime.

 

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