input on turbo size
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Senior User
Joined: Mar 2005
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input on turbo size
This would be going on a 99 5.4 automatic 4x4.
Came across a decent deal on a garrett turbo.
The inlet side, aluminum cover says A/R .50 M43.
On the part that you mount to flange in there it has a stamp of .63.
There was no plate with model number anywhere. There are however a set of numbers.
on the center section there is 430683 -11 cast in housing.
On the exhaust flange there are also two number cas on each side:
20357 on one side and 0358 on the other.
The exhaust side outlet measure at 2.25 inches.
The intake side where the filter goes measure around 3 inches.
I measure the inlet side wheel to figure out the trim...
3 inches for the larger fins and 2 inches for the smaller fins.
If my calculations is correct come out to be right around a 43 trim...
Anyone have input if this would work on my 5.4? I'm only looking to push around 6-8psi....daily driver of course.
Anyone that know more about turbos, is this too small or will it work?
I googled and really didn't find to much info. The little I did find most of the number didn't match to what I had.
If the .63 is correct on the exhaust side it should spool up nicely.
I guess the trim is where I would be hurting. Would i Just run out of power on the top end, or would it just come on to quickly?
Thanks for any input.
Came across a decent deal on a garrett turbo.
The inlet side, aluminum cover says A/R .50 M43.
On the part that you mount to flange in there it has a stamp of .63.
There was no plate with model number anywhere. There are however a set of numbers.
on the center section there is 430683 -11 cast in housing.
On the exhaust flange there are also two number cas on each side:
20357 on one side and 0358 on the other.
The exhaust side outlet measure at 2.25 inches.
The intake side where the filter goes measure around 3 inches.
I measure the inlet side wheel to figure out the trim...
3 inches for the larger fins and 2 inches for the smaller fins.
If my calculations is correct come out to be right around a 43 trim...
Anyone have input if this would work on my 5.4? I'm only looking to push around 6-8psi....daily driver of course.
Anyone that know more about turbos, is this too small or will it work?
I googled and really didn't find to much info. The little I did find most of the number didn't match to what I had.
If the .63 is correct on the exhaust side it should spool up nicely.
I guess the trim is where I would be hurting. Would i Just run out of power on the top end, or would it just come on to quickly?
Thanks for any input.
Mountain Pass
Joined: Nov 2011
Posts: 225
Likes: 0
midnite rider
here, call Garrett Air Research.
Turbochargers | Turbobygarrett
A/R means air ratio, don't ask me how that works.
M43 is probably the housing model.
it sounds like it's one of the good one's.
have a good one.
here, call Garrett Air Research.
Turbochargers | Turbobygarrett
A/R means air ratio, don't ask me how that works.
M43 is probably the housing model.
it sounds like it's one of the good one's.
have a good one.
Hotshot
Joined: Apr 2009
Posts: 14,333
Likes: 247
From: Stanley, VA
Actually, it stands for "aspect ratio". That's the ratio of the inlet area of the turbine to the turbine wheel diameter.
Logistics Pro
Joined: Jul 2009
Posts: 3,635
Likes: 3
From: Lansdale, PA
Turbo I'd use on your project is a turbo off a superduty powerstroke.
.84 exh housing, almost 60lb airflow, it should spool very nicely and capable of way more power than you need.
If the exh outlet is only 2.25, its too small. What inlet flange does it have. Post a pic near a soda can.
.84 exh housing, almost 60lb airflow, it should spool very nicely and capable of way more power than you need.
If the exh outlet is only 2.25, its too small. What inlet flange does it have. Post a pic near a soda can.
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