72Chevelle
Member
- Joined
- Sep 10, 2017
- Messages
- 36
Hi all. I was referred here as y'all are the pre-eminent forum for discussing 200 4R transmissions. I'm looking for some second opinions.
I currently have a well built 200 4R from one of the more reputable builders (name withheld because I'm not bashing anyone and they did a great job) - I'm just looking for a second opinion. Had them build me a whole package (2800 stall converter, non lockup trans, for ~750hp.) It's currently behind a healthy big block Chevy 454 with ~500hp at the flywheel. In a 72 Chevelle.
Purchased and installed the trans about 2 years ago, only have about 500 miles on it (due to fixing/sorting out other things in the car.)
Now, ever since I bought the trans it has had a slight whine, mainly noticeable in reverse and 1st gear when moving from a stop. Once I get it going I don't notice it. Sounds like more on the passenger side than the driver's side, but maybe that's just me. This weekend, I've finally ironed out many of the issues with the car and got to take it for some decent rides and the whine was noticeable which reminded me of it.
I had previously called the builder about this, they said it's normal due to their super-high pressure pump and the way they setup the trans. I did just measure the pressures (below) and he said those are reasonable for what they expect too. TV cable is adjusted properly so that as soon as you flick the throttle, pressures climb. Also has the correct geometry for the TV cable on the carb.
Just wanted to check in and see if anyone else finds this reasonable to be a "normal" noise for a stout 200 4R? Or should I be worried? Fluid is all nice and pink and clean, doesn't smell funny, and I have a trans temp gauge and external cooler and it never goes above 160 or so (sending unit is in return line from trans to cooler.) Seems to run and drive and shift just fine, no weird vibrations or anything.
Thanks!!!
PSI
No TV PSI Full TV
P 110 300
R 175 360
N 110 275
4 110 280
3 110 280 (fluctuates)
2 275 280 (fluctuates)
1 275 280 (fluctuates)
I currently have a well built 200 4R from one of the more reputable builders (name withheld because I'm not bashing anyone and they did a great job) - I'm just looking for a second opinion. Had them build me a whole package (2800 stall converter, non lockup trans, for ~750hp.) It's currently behind a healthy big block Chevy 454 with ~500hp at the flywheel. In a 72 Chevelle.
Purchased and installed the trans about 2 years ago, only have about 500 miles on it (due to fixing/sorting out other things in the car.)
Now, ever since I bought the trans it has had a slight whine, mainly noticeable in reverse and 1st gear when moving from a stop. Once I get it going I don't notice it. Sounds like more on the passenger side than the driver's side, but maybe that's just me. This weekend, I've finally ironed out many of the issues with the car and got to take it for some decent rides and the whine was noticeable which reminded me of it.
I had previously called the builder about this, they said it's normal due to their super-high pressure pump and the way they setup the trans. I did just measure the pressures (below) and he said those are reasonable for what they expect too. TV cable is adjusted properly so that as soon as you flick the throttle, pressures climb. Also has the correct geometry for the TV cable on the carb.
Just wanted to check in and see if anyone else finds this reasonable to be a "normal" noise for a stout 200 4R? Or should I be worried? Fluid is all nice and pink and clean, doesn't smell funny, and I have a trans temp gauge and external cooler and it never goes above 160 or so (sending unit is in return line from trans to cooler.) Seems to run and drive and shift just fine, no weird vibrations or anything.
Thanks!!!
PSI
No TV PSI Full TV
P 110 300
R 175 360
N 110 275
4 110 280
3 110 280 (fluctuates)
2 275 280 (fluctuates)
1 275 280 (fluctuates)