budget turbo setup
- Thread starter trashline
- Start date
you need to find out what exhaust housing is on it. Dan had been running a .63 turbine side on his with good success. some of the 2.3L t3's had a .48 housing which should still work ok on a 200. I have a .48 on my 2.3 right now and it does have a little lag to it (only running 10 psi on the factory gauge) with a bigger motor it will spool faster for you and sooner so a .48 could work out fine for you. if it is free and still good (check for major shaft play...it should have a little for oil clearance) I say grab it though. if the .48 ends up being small all you have to do is swap a .63 turbine housing on it
how do you measure the exhuast housing? or does it say on the hot side? i kinda lost interest bc i was either going to use this turbo or non at all. are there certain years that carried the hot side with the bigger exhaust housing?. also thank you 54ford, and 62fairlane170 for there big help in attempting to make my turbo project come true
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Anonymous
Guest
Trashline, I think that turbo will work fine.
Here's why: the engine it comes from has 144 cubic inches and turns to roughly 6000 rpm at 8 psi boost. So it needs roughly 144x3000/1728x1.54=385 cubic feet of air per minute. (I divided the 6000 rpm by 2 since it is a 4-stroke engine.)
Your engine needs 200x1700/1728x1.54=303 cubic feet of air per minute at 3400 rpm. That's why I said that it should work fine.
Give it a try!
Here's why: the engine it comes from has 144 cubic inches and turns to roughly 6000 rpm at 8 psi boost. So it needs roughly 144x3000/1728x1.54=385 cubic feet of air per minute. (I divided the 6000 rpm by 2 since it is a 4-stroke engine.)
Your engine needs 200x1700/1728x1.54=303 cubic feet of air per minute at 3400 rpm. That's why I said that it should work fine.
Give it a try!
actually stan it is 140 cubes, runs 10 psi, and turns only 5k before running out of steam, but still should be fine. the .48 housing might has it cast on the outside or stamped near the flange on the. the other location is inside the flange. I say give the .48 a try if it is on there you can always upgrade it pretty cheap.
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Anonymous
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62fairlane170":36m2ld88 said:
Yeah, good catch! I was just taking a stab at the numbers...
Anyway, that works out to 140x2500/1728x1.68=340 cfm, so that turbo should still work out fine.
well looks lke I am picking up ANOTHER t3 for around $100....selling my merkur to a guy and getting som emoney and a good svo turbo from him this weekend. now I will be tempted to enter the darkside and go TT 5.0
well since this seems to be such a popular topic and getting alot of hits i am going to explain to the group what i will be doing to accomplish my budget turbo setup as cheap and powerful as possible.
wel first off i payed 20 bucks for my turbo unsure if it works or not but it spins fine. my turbo is off of a 2.3L thunderbird coupe which seem to go for pretty cheap on ebay. thanks to the numbers above that prove this turbo should suit well for a stock 200ci engine. now i will be running a T off of my oil pressure connection so that i can run oil to my turbo and the return line will be epoxied into the passanger side of the oil pan. mounting of the trubo will be directly to the stock exhaust manifold with an adapter plate . the air cleaner assembly (bonnet) will be off of a grand national. the air filter will be a K&N cone type so that i can mount it directly 2 a tube mounted to the cold side of the turbo. fuel pump i was told has to be pressureized to 6 more psi so that the fuel pump will not be boosted. also i am going with a holley weber progressive two barrel carb i have to switch to the solid filled float and seal off the vacuum to the choke. go to turbomustangs.com on directions to create a blow thorugh carb out of a holley carb. i wil be running 8 psi of boost to keep it safe. also i will not be using an innercooler if you run higher then this an innercooler will be a good idea. eventully i will put in an inner cooler but for now im on a 150 dollar budget. i didnt purchase everything but i am pretty sure it will all be under 150 . the expensive things being the electronic fuel pump and filter. if i forgot anything i will post again if anyone has questions please ask. 54ford and 62fairlane170 are great references. thanks again guys
wel first off i payed 20 bucks for my turbo unsure if it works or not but it spins fine. my turbo is off of a 2.3L thunderbird coupe which seem to go for pretty cheap on ebay. thanks to the numbers above that prove this turbo should suit well for a stock 200ci engine. now i will be running a T off of my oil pressure connection so that i can run oil to my turbo and the return line will be epoxied into the passanger side of the oil pan. mounting of the trubo will be directly to the stock exhaust manifold with an adapter plate . the air cleaner assembly (bonnet) will be off of a grand national. the air filter will be a K&N cone type so that i can mount it directly 2 a tube mounted to the cold side of the turbo. fuel pump i was told has to be pressureized to 6 more psi so that the fuel pump will not be boosted. also i am going with a holley weber progressive two barrel carb i have to switch to the solid filled float and seal off the vacuum to the choke. go to turbomustangs.com on directions to create a blow thorugh carb out of a holley carb. i wil be running 8 psi of boost to keep it safe. also i will not be using an innercooler if you run higher then this an innercooler will be a good idea. eventully i will put in an inner cooler but for now im on a 150 dollar budget. i didnt purchase everything but i am pretty sure it will all be under 150 . the expensive things being the electronic fuel pump and filter. if i forgot anything i will post again if anyone has questions please ask. 54ford and 62fairlane170 are great references. thanks again guys
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Anonymous
Guest
Looks like a good plan, trashline, but I do want to clarify one thing.
I don't know what kind of car you have, but since the engine is a '68, I assume that it has a mechanical fuel pump. If that is the case, you can use the boost from the turbo to pressurize the backside of the fuel pump. That way the pressure at the carb is balanced by pressure at the pump. All you need to do this a couple of vacuum nipples and a length of vacuum hose. Look on turbofords.com for a diagram, or I can scan one for you from Bell or MacInnes.
Now that we've helped you, we need pics of the project!
I don't know what kind of car you have, but since the engine is a '68, I assume that it has a mechanical fuel pump. If that is the case, you can use the boost from the turbo to pressurize the backside of the fuel pump. That way the pressure at the carb is balanced by pressure at the pump. All you need to do this a couple of vacuum nipples and a length of vacuum hose. Look on turbofords.com for a diagram, or I can scan one for you from Bell or MacInnes.
Now that we've helped you, we need pics of the project!
did you snag the oil block off of the tbird? would make hook up real simple 10 min job then. I had one laying around and did a test fit for clearance and all on my 200 block and it fits great!! prob should snag some pics. might even mock it up with the 2.3 oil line even though it will be short since I could get a coupler and a short line so I could split it for turbo removal and such. well I just happened across these two turbos this week by luck (getting one on trade friday for a car) the good news is with the money from selling my other car I should be able to get my 250 head all built up woohoo!!
didnt touch the tbrid. also the motor that this turbo is oging on first is a 66 block can i still boost the fuel pump if so send me that pic to trashline@aol.com thanks buddy
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Anonymous
Guest
No...sorry! I must have missed you asking for it. I'm heading home now and will post it up for you today.
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Anonymous
Guest
Well, I obviously didn't get it done Friday before heading out to my family reunion...sorry!
But here it is...!
Now, just run a boost line (you can make it from vacuum hose and a couple of vacuum barbs) from the compressor housing or intake manifold -- anywhere that will see full boost -- to the back side of the fuel pump diaphram, as depicted above. That way the boost pressure is equal on all sides of the carb...on top, in the fuel bowls, and at the pump.
If this isn't clear, feel free to ask questions.
But here it is...!
Now, just run a boost line (you can make it from vacuum hose and a couple of vacuum barbs) from the compressor housing or intake manifold -- anywhere that will see full boost -- to the back side of the fuel pump diaphram, as depicted above. That way the boost pressure is equal on all sides of the carb...on top, in the fuel bowls, and at the pump.
If this isn't clear, feel free to ask questions.
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Anonymous
Guest
Run the boost line from the compressor to the side of the fuel pump behind the diaphram. The problem with blow-thru carbs is that the boost tends to force the fuel back down the fuel line and through the pump to the tank. After all, the pump generates what, 7psi? Well, a turbo can make a lot more than that, so the fuel runs backwards when the engine is under boost unless you do something to offset the pressure at the carb. Running this line to the backside of the pump is the answer. It adds the boost pressure to the spring shown in the diagram to ensure that the fuel is pumped into the carb, rather than being forced back down the line.
That's a good thing...!
That's a good thing...!
