Might have found my second idi

[tradergem]

Congrats!

 

[no mufflers]

sweet. that blue paint don't look too bad.

 

[BrianX128]

Pretty clean underneath too. Just one small leak on the back return line that sucked a little air while we were doing the title but I can see it easy fix.

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[Thewespaul]

Well done. Keep that old iron on the road!

 

[BrianX128]

410 or 373? Sticker too worn to tell.

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[tradergem]

Check the axle tags for gear ratio. By the way love the vicegrip knob.

 

[Shadetreemechanic]

I think that is 3.73. Seems like my 4.10s run higher than that.

 

[no mufflers]

im going to say 3.73 also.

 

[snicklas]

I'd check the speedo and make sure it's correct, along with the tach..... I think 4.10's

I know somewhat apples to oranges, but my 6.0 with 3.73's runs 70 at ~2000 rpm. This is all stock, and speedo confirmed with GPS.

Also, 3.73 would have been a change-out, Ford didn't offer 3.73 factory on the IDI trucks.....

 

[BrianX128]

Door tag says G3 can't get anything to load to tell me what that is

 

[no mufflers]

i found that code to be dana LS 3.54

 

[BrianX128]

2400 rpm at 65.. that might be right lol

 

[Hydro-idi]

Yep, looking at those rpms and speed I was going to say 3:55’s. No way that’s 4:10 gearing

 

[79jasper]

I don't think I've ever seen anyone have 3.73 unless they swapped them in themselves?

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[BrianX128]

Just drove it to dinner, might still be sucking air somewhere else if I coast about 45 it wants to surge and buck some but if I give it throttle it clears up. Won't do it all the time. I feel like this is every idi the moment it gets a new owner. Might need a new fuel filter. Has the old style 6.9 water separator too over on the fender wall.

Something is doing something but at least if I floor it or let off the throttle and push the clutch in it immediately clears up. Didn't do this for a 2 hour plus drive home today but the moment my fiance gets into it it decides to suck a little air lol..