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Old 04-23-2013, 17:37   #1 (permalink)
1970fordf250
 
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HELLO! ITS BEEN A WHILE!

Quick question... Is it better to have a throttle body spacer on my 1980 gmc or not? What should I do to keep it powerful and fast? I heard it gives more torque better gas mileage and and more horsepower... I'm sure only a tiny bit but is it better with or without?

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Old 04-23-2013, 18:03   #2 (permalink)
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Re: HELLO! ITS BEEN A WHILE!

It helps, but as for how much, claims vary. Without modifying the engine, dual exhaust with 2 1/4 to 2 1/2 pipes with a free flowing muffler and a decent cold air intake. Headers, too.
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Old 04-23-2013, 19:31   #3 (permalink)
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Re: HELLO! ITS BEEN A WHILE!

Ok because someone told me its better without. I have headers, dual exhaust straight piped, edelbrock performance intake and carburetor on my 454.
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Old 04-24-2013, 18:17   #4 (permalink)
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Re: HELLO! ITS BEEN A WHILE!

The spacer allows for the air flow to travel in a more linear pattern. You inlet plenum, the spacer, and manifold can all have an impact on it's effectiveness. The whole idea on increasing engine efficiency is to allow the air to flow freer through the system.Unless the spacer restricts air flow, at most it will do nothing for you.

You have to do some research and find out which designs work best with your setup.
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Old 04-24-2013, 18:53   #5 (permalink)
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Re: HELLO! ITS BEEN A WHILE!

Ok from what I've read on them they create turbulence in the air flow helping it get more power even if only a bit. The thing I'm confused about is if they are set up for lower geared trucks or middle to high geared trucks? Is this something to be used on a high performance engine? Thank you for all your help so far!!!
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Old 04-24-2013, 22:35   #6 (permalink)
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Re: HELLO! ITS BEEN A WHILE!

I think you should definatly have the spacer. If it is aluminum or plastic. Aluminum is better cause it won't warp as easily. The spacer also halls to stop the carb from boiling of it gets to hot and starts turning to a vapor before it needs to.
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Old 04-25-2013, 04:24   #7 (permalink)
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Re: HELLO! ITS BEEN A WHILE!

Ok thanks guys for the help!!!
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