TO-4 turbo info

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TO-4 turbo info

Post  IDT-572 on Tue 29 Sep 2009 - 0:05

Ok turbo guys I need some help.............. Embarassed I have a turbo I need to I.D. TO-4 Airesearch A/R .60

The measurements on the compressor wheel is Minor dia 2.170 or 55.37mm Major dia. 2.750 or 69.85 mm

I did have a web site that would tell you what trim it was by the measurements, but I lost the link to the site.

I have been on turbo ford . net but those guys aren't like us. They wont help a newbie. Rolling Eyes

This is going on my 2300 turbo Ranger if it will stay out of surge and work right.

Thanks Question
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Re: TO-4 turbo info

Post  Northwest outlaw on Tue 29 Sep 2009 - 0:57

what kind of hp are you looking at and what rpm with that info i can look at the map and place it for you.
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Re: TO-4 turbo info

Post  IDT-572 on Tue 29 Sep 2009 - 10:27

Well I know what I need for it, (or I think I do) I would like to know what the trim is on the one I have. To see if it will work.

350 hp to the tire on 93 octane, but I will have a E-85 tune for it also, probably 400+ Surprised , 6500 rpm, head flows 200 intake and 186 exhaust. Hydraulic roller Bo-port 1.5, high 220 range @ .050 , 800 cfm front mount inter-cooler. 3 inch down pipe, ported E-6 manifold. It's a 88 Turbo coupe engine. 140 cid.

I would just like to know if the TO-4 I have is a E trim or what. The A/R is .60.

Thanks for your help
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Re: TO-4 turbo info

Post  IDT-572 on Tue 29 Sep 2009 - 13:59

I think I found what I have It's a TO-4V I need a map for it.
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Re: TO-4 turbo info

Post  IDT-572 on Tue 29 Sep 2009 - 14:13

I figured my pressure ratio at 2.701

14.7+25 lb boost divided by 14.7 = 2.701


I figured basic engine air flow rate at 223.81

140 cid x 6500 rpm x.5 (4 stroke) x .85 VE Divided by 1728 conversion for cfm.

Air flow rate at boost = 604.5

2.701 x 223.81 = 604.5

Now if I could find a map of the TO-4-V. I could see if it falls in the efficiency range ( sweet spot )
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Re: TO-4 turbo info

Post  droppedf100 on Wed 30 Sep 2009 - 12:57

Do you have any pics of the truck? My buddy up the street has a stock Turbo Coupe motor in his 92 ranger daily driver and my brother has a 302 in an 83.
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Re: TO-4 turbo info

Post  D. Sea on Wed 30 Sep 2009 - 13:12

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Re: TO-4 turbo info

Post  IDT-572 on Wed 30 Sep 2009 - 13:52

Thanks Damon,

The intercooler you see in one of the pictures is a volvo. The end tanks will blow off at above 18 psi of boost. I now have a after market front mount 800 cfm cooler for it.

I still can't find a map for the turbo I have T04 V trim 60 A/R.
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Re: TO-4 turbo info

Post  Northwest outlaw on Wed 30 Sep 2009 - 14:45

here is a link for turbo maps about half way down.
http://www.rbracing-rsr.com/turbosupermaps.html
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Re: TO-4 turbo info

Post  IDT-572 on Wed 30 Sep 2009 - 18:13

My lb/min is 43 pressure ratio is 2.701. If you look at the to-4 v1/v2 map, it looks like it will be above the surge line at low rpm and high boost. But probably ok in the upper rpm high flow range.

Give it a look and see what you think
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Re: TO-4 turbo info

Post  Northwest outlaw on Wed 30 Sep 2009 - 19:03

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Re: TO-4 turbo info

Post  IDT-572 on Wed 30 Sep 2009 - 23:39

Thanks,

I appreciate the help, looks like it will work. What is this rmps?
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Re: TO-4 turbo info

Post  Northwest outlaw on Thu 1 Oct 2009 - 2:24

sorry about that rpms was typing fast working on my heads you can call any time 208-512-4907
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T04 turbos rock on the 2.3L motors!

Post  TurboJim on Thu 8 Oct 2009 - 1:35

You will need a TO4B with a .58 A/R on the turbine for quick spool. I had a turbo pinto with a stock motor and TO4B turbo running 25 psi with a modified supra intercooler. The engine combo and put the pinto into the low 13's with all stock parts. I later built a Mazda RX7 with a stock JY 2.3L turbo coupe engine running methanol and a TO4E turbo (@25psi) also with a .58 turbine and ran 11.55@121mph back in the day(2000) putting 298hp to the ground in a 1900# car. The TOE turbos make power starting at 3500 rpm on the 2.3's, so you need 4.10 gears out back.

Man those little motors scream at 6800rpm! Good luck with your project. Here's my car back in the day, this should motorvate you a bit!


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Re: TO-4 turbo info

Post  83-88T-Bird Guy on Thu 8 Oct 2009 - 10:01

D. Sea wrote:





Interesting exhaust adapters Blake....I see it flips the E6 manifold. Any particular reason or is it for clearance purposes ?
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Re: TO-4 turbo info

Post  IDT-572 on Thu 8 Oct 2009 - 16:48

Yes, Alan. I flipped it to be able to keep the a/c box in the truck. This will be a daily driver and I wanted the a/c workable.

The spacers allowed me to access the spark plugs and transition the port alignment. I hope to make 350 rwhp 25 psi boost and still have 25 mpg.

It has the Turbo coupe 5 speed with the 3.97 first gear set in it , and a 3.73 rear gear and 26 inch tall tires. I am also going to have a tune in it to allow E-85 and max boost.

Jim the picture didn't come through. Also do you think there is that much difference between the .58 and .60 a/r on the turbine? I was hoping this turbo set up I have will work because of the cost, It's free Laughing Laughing

I am going to run it and see where it like to spool and run , then adjust from there.

Thanks for the info.......... Try to send the picture back through again ,I would love to see it.
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Re: TO-4 turbo info

Post  TurboJim on Tue 13 Oct 2009 - 1:49

The turbo you have is most likely a TB03 or T3 turbo, I used a TO4 turbine (p trim wheel) with a .58 housing. The turbos are two different animals, the T3 is good for quick spooling, but chokes up due to the oem turbine wheel design but (excellent for free). If you want to make much more power, ditch the t4/t3 and use a TO4E turbo with a .58 turbine housing. The turbine wheel has a huge effect as does compressors wheels. The best turbines for racing have a pitch that allows you to easily see past the fins, also you will hear the distinct turbo whistle at idle and above, usually very loud, just like a semi truck.
My SVO's with the t4/t3 turbos got 19mpg at best and I ran 25psi all day long on the factory efi with a front mount intercooler with the stock 35lb injectors.
I never did break my 4banger T5 trans in any of my cars, even dumping the clutch at 6250rpm with 28X10.5 slicks. I think they are somewhat strong.

affraid

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Re: TO-4 turbo info

Post  IDT-572 on Tue 13 Oct 2009 - 10:53

Thanks jim good info............. Can't wait to get it on the road.
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Re: TO-4 turbo info

Post  jones on Tue 13 Oct 2009 - 11:01

Jim, how would the BW S300 compare for his application?

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Re: TO-4 turbo info

Post  TurboJim on Tue 13 Oct 2009 - 21:16

The S300 flows too much air at low boot levels and will surge most of the time,plus the stock diesel turbine A/R's are 1.XX too big to make any boost under 4500 rpm. I once swapped a 1.00 A/R turbine on my pinto and it killed my 60'ft from 1.5 to 2.0 because the 2.3L only made 10 psi until 3rd gear, then at half track it came alive. The turbo made 25psi and the tires broke loose, I nearly smacked the wall around 1000ft out (no vht on the top end).Man what a ride!!affraid Bottom line is the turbine is just as important as the compressor. Compressor maps only give you half of the equation. You need to tune the turbine to get you into the turbos "power band". Just like a set of Diff Gears. There aren't any online calculators that tell you what turbine housing to use, its a matter of trial and error.

Try an S1B,its a better fit, smaller turbine choices( T3 size turbo). Cool

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Re: TO-4 turbo info

Post  TravisRice on Thu 15 Oct 2009 - 22:06

Blake,
I can hook you up with Fred House. He runs a Probe in our local Pro-stick class. Has been 8.60's and seems to know his stuff about the 2300 turbos.

Here is a link to a small write up on him and his car. The Chevy II of Larry Judds just below him in the article is a car that I work on. http://www.dragracingonline.com/raceresults/2008/x_6-stick-2.html

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Re: TO-4 turbo info

Post  IDT-572 on Fri 16 Oct 2009 - 12:20

Thanks Travis,

The Ranger kind of got put on the back burner, I have about 5 engines to build in the next two to three months. But as soon as It gets back to the top I will call you .

Thanks for the info, that's a bad azz ride, I saw Huber's mustang run high eight's with a 2300 turbo at Bowling green at the NMRA finals.
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