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Search: Posts Made By: Goatboy4570
Jeep Forums: Engines & Drivetrain   08-26-2020, 10:45 PM
Replies: 19
Views: 706
Posted By Goatboy4570
Cylinder prep and hone

Ive done this sort of thing, true hands on preparing, repairing surfaces, not everything needs to be done with a machine, when i did my apprenticeship 30+ years ago i had to file 2 pieces of 2x1x6...
Jeep Forums: Engines & Drivetrain   08-25-2020, 11:50 PM
Replies: 8
Views: 507
Posted By Goatboy4570
Not all 4.0 blocks swap into everything

Came across another posters reply to someone else thought about your deal.

Swap info:

All XJ Cherokee and ZJ Grand Cherokee 4.0L engine blocks interchange.

2000+ TJ Wrangler and WJ Grand...
Jeep Forums: Engines & Drivetrain   08-25-2020, 04:16 PM
Replies: 19
Views: 706
Posted By Goatboy4570
Cast rings = meh

Been there done that, i would rather have my eyeballed gouged out than ever in a million years run cast rings agian, i use moly on everything even on borderline re-rings, for fast seating it isnt...
Jeep Forums: Engines & Drivetrain   08-25-2020, 02:36 AM
Replies: 9
Views: 395
Posted By Goatboy4570
Differentials

Actually if the surface is even the tires will grip fairly evenly, they pull about the same and share the power even going around corners, uneven mixed terrain and power will try to spin the wheel...
Jeep Forums: Engines & Drivetrain   08-25-2020, 02:24 AM
Replies: 9
Views: 395
Posted By Goatboy4570
Lockers

Beware that when you start using lockers you can easily get yourself into situations were you are applying all your power to one axle shaft, you can break stuff.

Did you know you can convert a...
Jeep Forums: Engines & Drivetrain   08-25-2020, 02:07 AM
Replies: 2
Views: 202
Posted By Goatboy4570
I think most people modify the bracket that is...

I think most people modify the bracket that is there ether by welding on or bolting on a adaptor piece, would hitting up the scrap yard and gettin a braket be a option for you ?
I wonder why that is...
Jeep Forums: Engines & Drivetrain   08-25-2020, 01:38 AM
Replies: 4
Views: 276
Posted By Goatboy4570
The 6 bolt tail flange will be the same as the GM...

The 6 bolt tail flange will be the same as the GM THM400's so i would think anything they hung on there will work on yours too.

The T-cases that do not have a internal differential are the best...
Jeep Forums: Engines & Drivetrain   08-25-2020, 01:21 AM
Replies: 19
Views: 706
Posted By Goatboy4570
I wouldn't hesitate to reuse those pistons and...

I wouldn't hesitate to reuse those pistons and run those bores, you still have crosshatch right to the top, if i was gonna hone i would do very quik in and out fine finish for moly. the factory...
Jeep Forums: Engines & Drivetrain   08-25-2020, 01:04 AM
Replies: 2
Views: 202
Posted By Goatboy4570
4.0 after 2000

I think after 2000 amc whent to COP (coil on plug) , its a 3 coil gang with 6 plug boots, AMC cast 4 bolt bosses on the 0331 head that is used on that engine to mount this unit.
Also the distributor...
Jeep Forums: Engines & Drivetrain   08-24-2020, 11:31 AM
Replies: 12
Views: 636
Posted By Goatboy4570
Nutter bypass

What size drill bit did ya use ?
The Nutter, is that where you replace the duraspark with HEI module, seems to me i did that and than redid it with MSD ? not sure where the manifold heater wire is...
Jeep Forums: Engines & Drivetrain   08-12-2020, 11:10 PM
Replies: 17
Views: 618
Posted By Goatboy4570
Cut it down and weld up a shorter version, wack...

Cut it down and weld up a shorter version, wack off the last 8 in ? the 4 and 6 used the same profiles so ignore the 4.0 reference and use the numbers for what they are worth....
Jeep Forums: Engines & Drivetrain   08-10-2020, 11:04 AM
Replies: 17
Views: 618
Posted By Goatboy4570
Here's the biggest stock cam the six ever used...

Here's the biggest stock cam the six ever used pretty tame but something to consider... add 5-7 degrees net (0.050") duration and you'll really open up the power band.

The stock '87-'95 Jeep 4.0...
Jeep Forums: Engines & Drivetrain   08-09-2020, 01:30 AM
Replies: 6
Views: 374
Posted By Goatboy4570
Engine ID

I dont think its a 258, if it was it would be stamped with C or CL ? a dead give away on 258 and 242 block ID is whether it has a mechanical fuel pump on the passenger side front of the motor, on the...
Jeep Forums: Engines & Drivetrain   08-08-2020, 05:12 PM
Replies: 4
Views: 202
Posted By Goatboy4570
I'm running a 20, i replaced the lincoln locker...

I'm running a 20, i replaced the lincoln locker with a Aussie locker and welded reinforcement on the housing along with 1 piece alloy axles, the crown and pinion are equal to a 12 bolt chev for...
Jeep Forums: Engines & Drivetrain   08-07-2020, 09:16 AM
Replies: 1
Views: 177
Posted By Goatboy4570
I was under the impression that MLS was more...

I was under the impression that MLS was more mandated for cast iron block / aluminum head applications where there is more horizontal movement, otherwize just run the composition jobs ?
Arent MLS...
Jeep Forums: Engines & Drivetrain   08-07-2020, 08:57 AM
Replies: 8
Views: 507
Posted By Goatboy4570
sorry we couldn't be more help

sorry we couldn't be more help
Jeep Forums: Engines & Drivetrain   08-07-2020, 08:55 AM
Replies: 2
Views: 194
Posted By Goatboy4570
I was thinking the same thing, youve probley got...

I was thinking the same thing, youve probley got 160 kilometers on there, so normal, i kinda have the impression the AMC 6 is a little harder on t-chains than some other engines, maybe its a...
Jeep Forums: Engines & Drivetrain   08-07-2020, 08:43 AM
Replies: 4
Views: 202
Posted By Goatboy4570
Well not the diffys themselves but your probably...

Well not the diffys themselves but your probably gonna need driveshafts and make sure your T-case is at the right height so your shaft angles are close.
What diff is in the back now and is it gonna...
Jeep Forums: Engines & Drivetrain   08-07-2020, 08:36 AM
Replies: 3
Views: 225
Posted By Goatboy4570
vibrations out back

I would just keep driving it and see what it does under different conditions ...
Jeep Forums: Engines & Drivetrain   08-05-2020, 03:08 PM
Replies: 20
Views: 723
Posted By Goatboy4570
Wow, yeah you shouldn't have more than a thin dry...

Wow, yeah you shouldn't have more than a thin dry film , that's even wet, definitely moving oil, its being doing that for some time.
So the motor has been burning the oil without there being smoke...
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