Rusty
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FTE Legend
Joined: Jul 2010
Posts: 32,875
Likes: 48
From: Northeast, OK
The bucket O diff parts served its purpose well. You should be proud. Glad to hear the parts truck is doing the same. Whenever you are ready to be rid of it call me and I will bring the trailer out. We can load it up and take it to the scrap yard. Sounds like it will be bare bones before too long.
However, there will be the leftovers from Dad's truck to go to the salvage/scrap yard, so I may well take you up on that.
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FTE Legend
Joined: Jul 2010
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From: Northeast, OK
No. I don't know whether I will do it before swapping the engines and installing the ZF5, or not.
New User
Joined: Mar 2012
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hey gary
mr lewis someone recommended i talk to you. Im looking for a part for my 81 f100. It has the inline 6 motor. Im looking for the set of wires between the icm and distributor and ignition coil. Or the entire harness...any recommendations from you?
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FTE Legend
Joined: Jul 2010
Posts: 32,875
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From: Northeast, OK
I may have that harness - let me check. I need to make sure that the one I think I have, from a V8, will work but I think it is the same. I'll do that today and get back.
But, could you go to User Control Panel and fill out the info, including location? Who knows, maybe you are close to me.
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FTE Legend
Joined: Jul 2010
Posts: 32,875
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From: Northeast, OK
RW - I am hoping to test that. However, it might be on Rusty's engine in Dad's truck as I'm planning to make that swap awa the ZF5 installation the next major project. Of course, this is assuming that Rusty's engine checks out with a leak-down and compression test.
And, if it is getting roughly as good mileage as Dad's M is currently getting. However, if it isn't I'll be very disappointed since one runs a C6 and the other the NP435.
And, if it is getting roughly as good mileage as Dad's M is currently getting. However, if it isn't I'll be very disappointed since one runs a C6 and the other the NP435.
And, I should also do some acceleration testing at the same time. Not standing-start testing as that's hard on the driveline, and not including a shift as that's too much of a variable, but maybe something like 15 to 50 MPH in 3rd gear?
Let me hear from y'all about the testing, both on the carb end as well as the acceleration as it should be well thought out. Eliminate as many of the variables as possible, like shifts, highway variations, etc. Thought?
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pedant
Joined: Jan 2008
Posts: 23,576
Likes: 38
From: EXTREME southwest CT
Those boosters help a lot with atomization.
The 4180's were very lean from the factory.
If your EGR was inoperable you would know right away.
They also had a 2-stage Powervalve that didn't come full open until vacuum dropped below something like 3-4".
From back in the days of my H.O. notch, I can tell you that
FLEMWORLD has a good look inside the 4180 if you follow -> '85 How To's -> modifying The 4180 Carburetor.
I'd like to see a comparison of carbs and think your ideas of pulling one gear from low rpm's (1500?) is about as fair as you could get.
The 4180's were very lean from the factory.
If your EGR was inoperable you would know right away.
They also had a 2-stage Powervalve that didn't come full open until vacuum dropped below something like 3-4".
From back in the days of my H.O. notch, I can tell you that
FLEMWORLD has a good look inside the 4180 if you follow -> '85 How To's -> modifying The 4180 Carburetor.
I'd like to see a comparison of carbs and think your ideas of pulling one gear from low rpm's (1500?) is about as fair as you could get.
Thread Starter
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FTE Legend
Joined: Jul 2010
Posts: 32,875
Likes: 48
From: Northeast, OK
Those boosters help a lot with atomization.
The 4180's were very lean from the factory.
If your EGR was inoperable you would know right away.
They also had a 2-stage Powervalve that didn't come full open until vacuum dropped below something like 3-4".
From back in the days of my H.O. notch, I can tell you that
FLEMWORLD has a good look inside the 4180 if you follow -> '85 How To's -> modifying The 4180 Carburetor.
I'd like to see a comparison of carbs and think your ideas of pulling one gear from low rpm's (1500?) is about as fair as you could get.
The 4180's were very lean from the factory.
If your EGR was inoperable you would know right away.
They also had a 2-stage Powervalve that didn't come full open until vacuum dropped below something like 3-4".
From back in the days of my H.O. notch, I can tell you that
FLEMWORLD has a good look inside the 4180 if you follow -> '85 How To's -> modifying The 4180 Carburetor.
I'd like to see a comparison of carbs and think your ideas of pulling one gear from low rpm's (1500?) is about as fair as you could get.
And, probably RPM runs would be the best. Maybe 1500, but I wouldn't mind starting a bit lower. And, going to 5000? In fact, if I could get/borrow one of the accelerometer testers that would be nice as we might see differences in the top vs the bottom end. I wonder if there is an app for that?
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Joined: Dec 2007
Posts: 8,521
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From: Lost
Yeah, a test of say 30-60 MPH in a single gear (4th?) would be a pretty good way to compare the acceleration difference (if any) between the 2 carbs.
Personally, I'd accept a slightly slower acceleration time, if there was enough of a MPG gain to offset it.
I have my suspicions as to which carb style will give the better MPG, and the better acceleration. I even suspect it will be the same carb.....
Granted, having both carbs tuned well is key to getting the most accurate results.
Personally, I'd accept a slightly slower acceleration time, if there was enough of a MPG gain to offset it.
I have my suspicions as to which carb style will give the better MPG, and the better acceleration. I even suspect it will be the same carb.....
Granted, having both carbs tuned well is key to getting the most accurate results.
Post Fiend
Joined: Dec 2007
Posts: 8,521
Likes: 16
From: Lost
Gary, there are apps for an i-phone to do exactly what you are wanting. One of the ones I know of, is called "Dyno-licious" or something very similar.
The i-phone has a decent accelerometer built in.
IIRC, you have an i-phone.......
The i-phone has a decent accelerometer built in.
IIRC, you have an i-phone.......
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FTE Legend
Joined: Jul 2010
Posts: 32,875
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From: Northeast, OK
New User
Joined: Mar 2012
Posts: 8
Likes: 0
Mr? Thanks for the compliment or respect, but that's not needed on here.
I may have that harness - let me check. I need to make sure that the one I think I have, from a V8, will work but I think it is the same. I'll do that today and get back.
But, could you go to User Control Panel and fill out the info, including location? Who knows, maybe you are close to me.
I may have that harness - let me check. I need to make sure that the one I think I have, from a V8, will work but I think it is the same. I'll do that today and get back.
But, could you go to User Control Panel and fill out the info, including location? Who knows, maybe you are close to me.