pump shim

[mainer]

i'm going to be building my own transmission.

I already got c1-c4 alto power packs & transgo.

I'll be ordering a suncoast or precision converter in the near future.

I'm looking to do the pump shim mod that comes with all of the major kits.

I was told to use a 135 thousandths thick washer, but the diameter wasnt mentioned. Can anyone give me input here. And also any other advice.

Thank

 

[paint94979]

i'm going to be building my own transmission.

I already got c1-c4 alto power packs & transgo.

I'll be ordering a suncoast or precision converter in the near future.

I'm looking to do the pump shim mod that comes with all of the major kits.

I was told to use a 135 thousandths thick washer, but the diameter wasnt mentioned. Can anyone give me input here. And also any other advice.

Thank

give Mike L a call

 

[Mike L.]

.852.......o/d
.591.......i/d

 

[mainer]

this isnt going to be a standard washer by chance is it?

and was I correct with the .135 " thick ??


thanks for the help Mike

 

[Mike L.]

this isnt going to be a standard washer by chance is it?

and was I correct with the .135 " thick ??


thanks for the help Mike

.135 is correct thickness. The spacers are custom made and don't match anything that I'm aware of.

 

[mainer]

thanks again for the help.

I'll make a few up this weekend when I get a chance to get into the machine shop at school

 

[duratothemax]

about time we build your trans

 

[Mike L.]

about time we build your trans

Oh Oh. :hug:

 

[duratothemax]

Oh Oh. :hug:

you know how my luck goes with stuff breaking!!

 

[Mike L.]

you know how my luck goes with stuff breaking!!

Ya but that was back when you were a kid. Yuse growed up now.

 

[duratothemax]

Ya but that was back when you were a kid. Yuse growed up now.

Now I just need to outgrow motor problems and Ill be all set. :baby: :rofl:

 

[mainer]

Now I just need to outgrow motor problems and Ill be all set. :baby: :rofl:

its called get a lb7...everything just seems to work better on them

 

[Darius6t9]

its called get a lb7...everything just seems to work better on them

Except the injectors

 

[mainer]

i'll replace my injectors ever 100k vs having crappy oil pressure, overheating, injector harness issues, egr, cat, and those funny looking front ends all lly's have :rofl:

 

[emkay]

Hey, I have quite the same setup with alto c1-c4 and transgo shiftkit. I also installed the hot rod converter back flow valve from transgo and a 1057 as well as a deep pan. My question is where do you shim the pump and for what reason

 

[Mike L.]

Hey, I have quite the same setup with alto c1-c4 and transgo shiftkit. I also installed the hot rod converter back flow valve from transgo and a 1057 as well as a deep pan. My question is where do you shim the pump and for what reason

The shim is installed at the top of the pressure regulator spring to increase main line pressure from 245 psi to a more desirable 275 psi. Much better holding power for the clutches.

 

[mainer]

what the current opinion on the back flow valve? necessary or not?

 

[Mike L.]

what the current opinion on the back flow valve? necessary or not?

If you're going to run a big tune and play hard; you need it.

 

[Bluemax]

i'll replace my injectors ever 100k vs having crappy oil pressure, overheating, injector harness issues, egr, cat, and those funny looking front ends all lly's have :rofl:

:exactly: Except so far I'm over 150k on originals....

 

[mainer]

ok so my complete tranny plans are as follows.... any recomendations would be greatly appreciated


c1-c4 power packs , running just 6 clutches in the c2 (space the rest with stock steels)

transgo shift kit

converter back flow valve

pump shim to up line pressure from 245 to 275psi

and either a precision or suncoast converter. (purple isnt my color)