Throttle body ?s
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FTE Chapter Leader
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From: North Dakota
Throttle body ?s
I have a little 302, and I was wondering if its possable to put a throttle body off a 460 on the 302. I know there isnt a IAC or that coolant passage on the 460 tb, but what else is different? Whats the size difference between the two? I haven't had a chance to look at a 460 tb up close, so I dont know how hard it would be to mod to put a IAC on it or not...
Der Postmeister
Joined: Sep 2006
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From: Long Beach, Calimexiforia
I have a little 302, and I was wondering if its possable to put a throttle body off a 460 on the 302. I know there isnt a IAC or that coolant passage on the 460 tb, but what else is different? Whats the size difference between the two? I haven't had a chance to look at a 460 tb up close, so I dont know how hard it would be to mod to put a IAC on it or not...
)))
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FTE Chapter Leader
Joined: May 2006
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From: North Dakota
Thank you, you are so much help.
I know the bolt pattern is the same, I'm wondering about the throttle body size in mm 302 vs 460. Or maybe a 351 tb is bigger....
Der Postmeister
Joined: Sep 2006
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From: Long Beach, Calimexiforia
Sorry but, glue as many feathers to it as you want, it ain't gonna fly! Not from a practical standpoint.
I suppose anything's possible, except maybe Obama getting re-elected! Ok, how about "extremely" problematic!
Why would you want to?
Your MAP setup won't deal with it for one thing! Then no IAC?
I suppose anything's possible, except maybe Obama getting re-elected! Ok, how about "extremely" problematic!
Why would you want to?
Your MAP setup won't deal with it for one thing! Then no IAC?
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FTE Chapter Leader
Joined: May 2006
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From: North Dakota
Mine is a MAF motor, I was lookin at the BBK units, and for the plans for my 302 the smaller one would be plenty for me. But if I could use a stock 460 tb, and make it work, for less $ and get the same benefits from the bbk, that would be a more cost effective.
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FTE Chapter Leader
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More air flow. Long tube headers and a cam upgrade r in the future
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Der Postmeister
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From: Long Beach, Calimexiforia
Your saying the 460 does not incorporate an IAC? How are you gonna get by that? Transplant the ECU & harness too?
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FTE Chapter Leader
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From: North Dakota
460 IAC isn't on the tb. Its on the upper intake. I'd mod the TB for a IAC if possible. I'd like to find the size difference in the TB themselves to see if it worth the work, or just shell out the $350 for a BBK unit.
Der Postmeister
Joined: Sep 2006
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From: Long Beach, Calimexiforia
Back to problematic. I'm sure other members have more background on this. I'm thinking up a MAF size, but fuel delivery will have to keep up, or you'll lean out.
You know, sorry about dismissing your original premise so quickly. There's nothing wrong w/ thinking "outside of the box"!
I fabricated a D/C air booster feeding the airbox when I first got my truck, before I was aware of MAP engine limitations. Actually worked pretty well on the low end, but leaned the engine out farther up the timing curve.
Settled on a K&N drop in, & concentrated on Modding & tweaking the Ignition system (plug gap, base time advance,ect...). basically upgrading/optimizing the basic set up.
You know, sorry about dismissing your original premise so quickly. There's nothing wrong w/ thinking "outside of the box"!
I fabricated a D/C air booster feeding the airbox when I first got my truck, before I was aware of MAP engine limitations. Actually worked pretty well on the low end, but leaned the engine out farther up the timing curve.
Settled on a K&N drop in, & concentrated on Modding & tweaking the Ignition system (plug gap, base time advance,ect...). basically upgrading/optimizing the basic set up.
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FTE Chapter Leader
Joined: May 2006
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From: North Dakota
A MAF motor is a lot easier to mod than a SD motor. I'm by no means a expert on this subject, but from what I have read, a larger TB will net more power, better mpg and all that. So I figured with a better flowing exhaust, a K&N air filter, TB spacer, EGR eliminater plate and ignition upgrade, a bigger TB would be a good upgrade too. (Don't lol at the mods, I went from 10 mpg to a steady 13.5 mph so far )
Der Postmeister
Joined: Sep 2006
Posts: 6,859
Likes: 560
From: Long Beach, Calimexiforia
A MAF motor is a lot easier to mod than a SD motor. I'm by no means a expert on this subject, but from what I have read, a larger TB will net more power, better mpg and all that. So I figured with a better flowing exhaust, a K&N air filter, TB spacer, EGR eliminater plate and ignition upgrade, a bigger TB would be a good upgrade too. (Don't lol at the mods, I went from 10 mpg to a steady 13.5 mph so far )
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FTE Chapter Leader
Joined: May 2006
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From: North Dakota
Well I've been reading old threads from the early 2000s, and a guy put a 460 TB on his I6, But he never reported back how it worked out for him..... I don't want to shell out $350 If i can get the same gains from a junkyard part for alot cheaper...
I'm sure more people will chime inlater..
I'm sure more people will chime inlater..
FTE Legend
Joined: Jun 2006
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From: Ottawa, Ontario
There are zero gains to be had with TB changes on the 5.0, matter of fact nothing upstream of intake valves is restrictive until you get a LOT more cam in it and WAY better heads on it.