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Search: Posts Made By: '77hiboy
Showing results 1 to 15 of 16
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Replies: 4
Views: 362
Posted By '77hiboy

77hiboy351m /390swap???

I have a 77 hiboy with a 351m. the 351 is not cuttin' it. I have an opportunity to buy a 72 4x4 with a 390(freshly rebuilt) the body is shot, for a grand. Is it worthwhile to swap the...
06-12-2008, 10:03 AM
Replies: 3
Views: 577
Posted By '77hiboy

351m / 351c bellhousing?

Is the bellhousing the same on these motors? I am considering a swap from 351m to 351c any advice?
04-28-2008, 11:19 AM
Replies: 0
Views: 336
Posted By '77hiboy

351m to 460????

I got a 77 f250 4x4 W/ a 351m. I need to pull a camper 29ft(newer model appx 4300 lbs)I live @ 4700ft and need to go up to 9000ft. I will need to get extra ponies from the 351(motor runs good, no...
Replies: 4
Views: 2,395
Posted By '77hiboy

Its the Shifter. I disconnected and the case...

Its the Shifter. I disconnected and the case shifts fine. I am unable to find any parts for the shifter. I need the truck working now so I'm gettin' a 205. found one for 50 bucks. can get all...
Replies: 4
Views: 2,395
Posted By '77hiboy

NP203 linkage - WTF????

I started another thread on the same problem. I hope its OK>
This NP203 is kicking my ass. Anyone have a linkage diagram for a '77 f250?:-banghead
The linkage does not appear to be recentently F'd...
04-22-2008, 03:26 PM
Replies: 3
Views: 575
Posted By '77hiboy

Crate 250HP 351 from jegs. Anyone?

I'm trying to decide to have my 351m rebuilt or by new. I dont have the time to rebuild myself. I came accross a H.D. 351 rated @ 250 HP from jegs for just under 3 g's. Anyone have one of these. I...
Replies: 11
Views: 494
Posted By '77hiboy

Narrowed it down to stuck linkage. i took the...

Narrowed it down to stuck linkage. i took the linkage arms apart from the linkage assembly and the np203 will shift. I soaked the linkage with wd40 and I will hook it back up tomorrow. Fingers...
Replies: 11
Views: 494
Posted By '77hiboy

iggybob44 is right. I can drive in lo top mph 45,...

iggybob44 is right. I can drive in lo top mph 45, does not seem to be wound up at that speed maybe 3500rpm (sounds like/ no tach) and I am unable to go to neutral. I will try all the advice and post...
04-20-2008, 10:16 AM
Replies: 9
Views: 441
Posted By '77hiboy

Thanks, I will try it tomorrow when I get home....

Thanks, I will try it tomorrow when I get home. Ill let you know.
Replies: 11
Views: 494
Posted By '77hiboy

Sorry I was not clear. The truck runs and drives...

Sorry I was not clear. The truck runs and drives fine. It has locking hubs. At present the T-case only moves in 2 positions. When in -lo- (as indicated on the shift knob) with hubs locked it is in...
Replies: 11
Views: 494
Posted By '77hiboy

Then its been modified. It has locking hubs. I...

Then its been modified. It has locking hubs. I will have to try some adjustments to get it to move into high. Right now it will only work in low and low lock. Are these t-cases any good?
04-20-2008, 07:25 AM
Replies: 9
Views: 441
Posted By '77hiboy

thanks, ill check it out

thanks, ill check it out
04-19-2008, 09:30 PM
Replies: 9
Views: 441
Posted By '77hiboy

It does have manual Lock/unlock hubs. Unsure if...

It does have manual Lock/unlock hubs. Unsure if orig. equip. The truck is fairly straight and apears to be not F*%$ed with however who knows. I have had one other hiboy 4x4 and Im sure it was a 205....
04-19-2008, 08:36 PM
Replies: 9
Views: 441
Posted By '77hiboy

'77 transfer case

I posted this on the T-case forum with limited response.
I bought a 77 hiboy 4x4 and am trying to identify the T-case. The shift knob would lead me to a Np 203 but a FORD "EXPERT" said it was a 205....
Replies: 11
Views: 494
Posted By '77hiboy

1977 f250 transfer case shifting.

I just bought a 1977 hiboy with a 351m auto. The 4by shift knob has the following indicators in this order:
lo lock
N
high lock
It will shift up and engage the 4wd just fine and return to 2wd. I...
Showing results 1 to 15 of 16
 


 
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