Ramdriver15

Ok, put a pressure gauge on the truck today. I put the gauge in the govennore pressure port and got about 6 psi idleing.... then according to alldata i used the line pressure port next. the reading in the line pressure port at idle in drive was 90 psi... than i went for a test drive and i was seeing pressures of 130 no fluctutaions between shifts or harder acceleration...
do these numbers sound right??? what about for a torque converter shudder, or what??? tranny is 1000mi. after HD rebuild with h/d converter, and the shop wont cover the warrantee....

Ramdriver15

any one copme on some oe has to know~!!!!!

Ramdriver15

anyone anyhone, just looking for line pressure readings....

Ramdriver15

i thought there would be someone on her who would know....

schoust

I bet if you gave Dave a call at Goerand Bros. he could and would help you out not sure what pressures that you should have but I would like to do this same test and if needed I will replace the pump when I do my converter.

schoust

This is from B.D. Performance,hope it helps....Transmission Line Pressure OEM Pressure Before After BD Pressure
Transmission in DRIVE
w/Engine at idle 55-65 psi 70 - 75 psi
Transmission in DRIVE
w/Convertor Locked up at
1800 - 1900 rpm
64-72 psi 85 - 90 psi

Ramdriver15

which test port are these numbers from because the tersat port i used i found 90 psi at idle in drive and also 130 driving with and without the converter locked

Fueling around

What prompted the tranny rebuild?
Is it a stock converter or an aftermarket? HD is the stock converter so that doesn't mean much. With your mods, you blow past the capability of a stock converter. If so, when the clutch locks it will probably shudder a lot.

schoust

Mine did this at low speed with the stock valve body but after installing Daves valve body No more shudder....

Ramdriver15

the tranny blew its guts out... so i had an "HD" rebuild... with transgo's biggest shift kit and an "hd" converter