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The only injection pump tester I ever saw was at work in the "component repair section" and it was big and cost thousands ! I wish I had the money to buy one for myself !

Shawn, did you just add the new rocker arms for this increase in power ?

You can do that and run the risk of a damaged seal ring and not know until it is in the truck. Or you can buy the correct tool and do it right.

I had more pictures to upload but the system is not allowing me too. Anyway the first picture shows the 3 types of intake pipes used. The first is for the deep pan and the last two are standard pans. The metal one is the most desired since it will not crack due to heat fatigue. The next picture...

The TH400 is a great transmission in it's stock configuration though there are trouble spots. The designers built a great gear train here, but to make the trans more appealing to the masses they went with a poor design for 2nd gear. It allows a very smooth transition from 2nd to 3rd gear by...

These are just a few performance items you can add to your TH400. I usually add these to all my performance builds including a few others I didn't mention. Like "300M" input and output shafts or Aluminum drums or case reinforcers. Needles to say you can spend thousands of dollars on performance...

Picture one shows a 32 sprag unit for the intermediate clutch assembly. Picture two shows a special "Torrington" bearing used in the bottom of the case instead of a bronze thrustwasher. Picture three shows where to mount the Torrington bearing. Pictures four and five show the differences of the...

This is how I have my truck setup. Since I removed my engine (I'll be honest, I hated that 6.2 engine ! ) and went with a Chevy 383 Hi-Torque I no longer needed the engine oil cooler in the radiator. So I routed my transmission lines to go there. Where the transmission lines used to go I routed...

Marcus, you seem to have some strong opinions on this. I'm curious, what do you do for a living ? Are you by chance an engineer ?

These are some pictures of a Heavy Duty TH400 case. The first 2 pictures shows the 8 bolt holes for mounting the front pump assembly (TH475 models only) . The third and fourth pictures show the extra strength on the flange to mount the aluminum torque converter cover and the support it provides...

It's true Ahab. There where basically two groups of people on the island. The inland mountain people who hunted and crafted with wood and the low lands coastal people who fished and gathered salt to trade with the inland mountain people.

Yeah Honolulu has sewage problems. Has for years now. About the regulator, it's a two stage low pressure regulator. So there shouldn't be any problems.

These last two pages are very good advice for any rebuilder. Sonnex makes extremely good performance products as does Coan Racing. There is also a few good suppliers I'll post later. There is a really good rear bushing and thrust washer that I have used and also a Torrington bearing (in place...

I have rebuilt TH400 transmissions for race and hard 4 wheeling for over 38 years now. I decided to post some of my tricks and tips I learned during that time .

What do you do for work ?

OK that's funny ! I'll tell my wife that one !

Your forgetting overheating the engine radiator part. Auto manufactures go for the most practical and economical way which usually is the best way. As far as quality of parts go that is another matter all together. There is also no way you will over cool a transmissions oil unless your in the...

I have a Mag-drill but it's too heavy to hold in place ! So I just free-hand drill like you did ! Looks great though even if you did have to free hand it !