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Martin
GenII
 
1/16/2005
22:37:27
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I thought I post something just for the sake of posting so this forum does not look so dead.
I found a guy selling a chrysler 2.5 short block with a custom billet 4.25" stroke crank (stock is 4.09"). It still only yields 161 cubic inches compaired to the stock 153. That isn't much for $2,500 but I would never have to worry about breaking the crank. Plus it would broaden and and increase the already good torque curve (135 ft lbs @ 2800 rpm stock). The short block also comes with 2 ported G heads with oversize valves. Though I would prefer my stock swirl port castings they are more efficient.
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daffydak
GenIII
2/06/2005
14:01:23
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Indeed :-) ^^^
Any progress with getting more ponies out of your 2.5L?
Dan
MOPAR=More Power!!
00 CC Sport Plus 4.7L 4X4 Auto, 3:55 LSD
Flowmaster orig. 40 series (2 chamber) muffler, adjusted tps to .76V, ported TB, home brew intake setup w/K&N filter, more mods to come!!!
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Martin
GenII
2/07/2005
20:01:01
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Not yet maybe this summer right now I am spending the money on my snowmobile. I am now debating on installing multi point injection like the turbo cars. I would have to get a fuel rail, throttle body and a modified intake manifold from a turbo car. I have also found a guy that programes custom computers for the turbo cars so he should also be able to do it for a N.A. car. If I do that I should be in the 120hp range with no other mods and get 30 plus mpg. I have heard the cars that converted to MPI can get 40 mpg. I am also looking for the bigger 22 gallon gas tank so I could then go over 600 miles between fillups if I also get MPI.
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Martin
GenII
2/07/2005
20:07:19
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I also have decided against the stoker crank from what I have read it is not the weak link in these engines the blocks will go first unless you spin major rpms. I don't know if less then a 1/4" of stoke and 10 cubic inches would make enough of a diference to justify the 2,500 bucks.
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Martin
GenII
2/10/2005
18:52:36
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Well I guess i will not be geting a custom programed computer. I just read the guy that did it is out of business. dang
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DAHEMIKOTA
GenII
2/13/2005
02:00:49
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I got all kinds of 2.2L/2.5L turbo parts. I also modify / fabricate manifolds. Dan
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Martin
GenII
2/14/2005
11:27:40
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Really? Sweet and I see your in Michigan also. So you can weld the cast aluminum intake manifolds and cast iron exhaust manifolds?
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DAHEMIKOTA
GenII
2/15/2005
00:47:02
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I can modify the stock aluminum intakes or fabricate the entire manifold. Can modify stock exhaust or fab new one from heavy guage steel or stainless steel. I have modified the long runner 2.5L turbo intakes to be used with the multiport inj. and no turbo. Just use the turbo computer, MAP sensor and turbo distributor. It will work without boost. Then if you decide to add a turbo all the stuff is there.I can also fab up a turbo manifold for the Dakota. Dan
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Martin
GenII
2/15/2005
12:03:29
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Oh sweet but I have heard the turbo computer will not work with no turbo becouse it will give to much fuel at full throttle.
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DAHEMIKOTA
GenII
2/15/2005
23:12:35
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You have to use the turbo computer for the Multi Point Injection. Also the distributor has a different trigger plate for the MPI. The tubo MAP sensor senses vacuum and pressure. If you run the entire system you shouldn't have a problem. Also use the throttle body from the turbo engine with all of the sensors in line with the computer. The turbo used a different O2 sensor but I think the differance was for higher operating temperatures. We run our truck with and without the turbo just to see the change in 1/4 mile times. Just took the turbo off and made a bypass pipe. Other than running about 3 seconds slower, it ran good otherwise. That low compression sucks without a turbo.With a non turbo engine I would run around 10 : 1 compression. I may have all the suff you need to do it. Let me sort through my shop and see what I got. Dan
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Martin
GenII
2/16/2005
00:16:28
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Yeah I knew that the tbi computer would not suport MPI but I did not think a turbo computer would work well without a turbo. I though it would drown the engine in fuel with out the boost. I guess just run some smaller injectors and it would even things out. So do you have a Dakota with a 2.5 turbo engine? Can you make full length header also?
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DAHEMIKOTA
GenII
2/16/2005
01:14:27
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Had a 1987 Dakota 2.5L Turbo / Intercooled / five speed / 8 3/4" Rear with 4.56:1 No Spin. Both the wheels spun anyway. Soaking wet it weighed 2700 lbs. After we blew the trans apart it was replaced with an A-833 4 SPD out of a Dart. The best time was a 12.70 @102. The ass end would get loose going into fourth gear. We were running the boost at 15 PSI. One night it disappeared. It was never found. Yes I can make a full length header.
I can figure a price out for you. Dan
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Martin
GenII
2/16/2005
09:40:23
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Wow 12.70 I figured I would be doing good if I got mid 13s with a street driven 2.5 turbo. I don't plan on runing 4.56 gears though and my Dakota weights 3200 with me and a heavy steel tonneau cover. How did you get yours so light? I didn't know a A-833 would bolt up to a four banger how did that work?
Well now that I think about it if you can build a header for me cheep I might go with that. Otherwise I might save my money for a whole turbo engine, they sound like alote of fun. I have not decided yet. Oh and sorry about your loss that has got to suck lose a sweet pickup like that.
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DAHEMIKOTA
GenII
2/17/2005
00:16:08
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We made it light by removing everything that was not necessary to make it run. Then my brother-in- law made glass fenders, hood and doors out of 3 layer fiberglass. He trashed all the dies because no one wanted any parts like that. Took all the factory gauges out and replaced them with Mopar Performance guages. The heater was a very small unit out of a 1969 Dodge Van. The whole thing was about a 12" cube. Had to have it so the defrosters would work. The trans was installed with an adaptor plate we made to adapt an LA V8 LakeWood scatter sheild to the rear of the four banger. I still have the prints for that. The turbo came from a Turbo IV. It was a VNT unit. We put an air dump on the intake side to keep from going into over boost. Pistons were TRW forged. If you were to request headers, would you want steel or stainless steel? Dan
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Martin
GenII
2/17/2005
18:47:34
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Oh well that is a little more then I want to give up weight wise on my Dakota. I have thought about fiberglass body panels though but have only found hoods and role pans. Would it be possible to build adapters for other trans like a tremec T-56 six speed? Then I could run a 4.56 gear on the highway. I think a stainless header so it would last longer even though it costs more and then get it ceramic coated. So do you think a stock turbo computer would work well on a N/A engine?
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DAHEMIKOTA
GenII
2/18/2005
00:45:13
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It shouldn't be a problem making an adaptor for that trans. You would have to modify the rear crossmember also. That would not be a problem. The computer should work fine as long as all the turbo sensors are functioning. I have a system out of a 1990 Plymouth Sundance 2.5L Turbo.All the sensors,wire harness,computer,throttle body,injecters,fuel rail. Would just have to mod the intake to relocate the throttle body. I have all three types of turbo intakes. You would probably want the long runner single piece and mount the throttle body in the center. I have one already modified,all I have to do is find it. If you ever wanted to put a turbo on it, all you would have to do is change the pistons,valves,cam,exhaust manifold and mount the turbo. I will figure out a price on the stainless headers for you. Dan
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Martin
GenII
2/18/2005
11:11:13
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Mount the throttle body in the center of the intake manifold? I was thinking of putting it on the oposite end of were it is stock without the elbo so it faces the front of the pickup. I would also need a different distributer to wouldn't I? Does the fuel rail come with a fuel pressure regulator? I have heard other people with N/A MPI setups run 19 lbs injectors from a Ford 5.0.
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DAHEMIKOTA
GenII
2/18/2005
14:18:13
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I can put the throttle body anywhere you want. I put it in the middle for distribution purposes. Chrysler put it on the end for cost reduction. The fuel rail is complete with all the fuel lines, regulator and injectors. You do need the turbo distributor and MAP sensor,which I have also.I have the entire system. Dan
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Martin
GenII
2/20/2005
21:03:53
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I think mounting the tb on the end would work the best. Easier and shorter routing of the intercooler plumbing. I also think it would look better. I might fool some people into thinking its stock. How much would you want for all the entire turbo system? Is it a '90 or newer setup with the single 60 way connector to a SBEC computer? Do have any complete 2.5 turbo engines in good shape?
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DAHEMIKOTA
GenII
2/21/2005
23:28:26
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It is the 60 way connector from a 1990 Plymouth Sundance. I can put a system together for approximately $2000.00. It would include:
Modified intake manifold with front inlet (new)
Stainless steel exhaust manifold (new)
2.5L Turbocharger (new)
Air to Air intercooler (used)
Oil supply and return lines (new)
Water supply and return lines (new)
Bosch alternator (used)
Fuel rail (new)
4 stock 2.5L injecters (new)
Fuel rail regulator (new)
Fuel rail fuel lines (new)
Throttle body (stock 2.5L)(used)
AIS motor (used)
Throttle position sensor (used)
Turbo distributor (used)
Performance computor for manual trans 2.5L (used)
Complete engine wire harness with all relays and solenoids (used)
Turbo map sensor (used)
Turbo intake and exhaust valves (new)
Misc. fittings for engine.
I sold the last 2.5L turbo engine I had.
I have heavy duty turbo rods but I do not have pistons for the 2.5 turbo engine.
I have a used 2.5 turbo cross drilled head.
Let me know what you think. Dan
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Martin
GenII
2/22/2005
08:27:24
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$2000 and I still need a short block. I guess that is not to bad with those custom manifolds in there and a new turbo. I will have to think about it. Is the head a swirl port or a G head? Is the turbo a stock mitsubishi or a garrett? I don't think I would not want the alternater unless it is a 120 amp and mine is a 90 I have to check to see what mine is. Is the performance computer the one from Mopar or a custom programed one?
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