vf39 turbo question

[ruparts]

Hi,

I can get a good deal on a vf39 turbo but I want to ask if this unit is too much or otherwise undesireable for our 1.8 engines. but mainly I wondered if it would be a good choice for a er2.7 build-up, I have enough 1.8 turbo pistons to swap them into the 2.7 I just want to ask if the vf39 would do a good job and give good performance on a 2.7 size engine, obveously need custom pipes made but that is understood. I would not be looking to make it into a race car but looking for maybe 200 or so HP, stock parts can only take so much and I would want to stay in the safe range. advise is appreciated.

thanks

[GeneralDisorder]

The ER27 heads are almost identical in design to the EA82 heads. Thus they can't really handle boost well. The engine is rare, and the parts are expensive.

 

If you want 200 HP that's easily done for a lot less money with an EJ engine. The non-turbo 2.5's are approaching that now without any forced induction.

 

I agree that the ER27 is a neat engine, but it's just doesn't make good economic sense to mod them with the expense of their rare parts.

 

GD

[ruparts]

Hi, Thanks i understand what you are saying there, but i have lots of this and none of the ej stuff, so i want to make use of what i have. just interested to make a bit more power but not to a point of breaking parts, just moderate boost, like the ea's could take. i can get a good deal on a vf39 they were on 2.5 so wouldn't that be fine for 2.7 , like i say not planning to push it hard.

thanks

 

The ER27 heads are almost identical in design to the EA82 heads. Thus they can't really handle boost well. The engine is rare, and the parts are expensive.

 

If you want 200 HP that's easily done for a lot less money with an EJ engine. The non-turbo 2.5's are approaching that now without any forced induction.

 

I agree that the ER27 is a neat engine, but it's just doesn't make good economic sense to mod them with the expense of their rare parts.

 

GD

[GeneralDisorder]

But making use of what you have will actually end up costing more than a simple EJ swap. Think about the fuel management problems - forced induction is going to need fuel enrichment and the ER27 ECU can't handle it. There isn't an ECU availible from the EA/ER series era that *can* handle positive manifold pressure on a 6 cylinder. So you are looking at custom fuel management, and probably using something like MegaSquirt as there is no support in the aftermarket management community for EA series components.

 

Then there's the totally custom exhaust system on top of that - larger injectors, IC, etc.

 

The amount of tuning and messing around with it you would have to do would make it hard to justify for the 40 HP you are looking to gain. That's easily attainable with known reliable EJ components and you won't be charting your own path to get there.

 

GD

[Turbone]

Damn GD, quit being so negative with the EA/ER engines.

The heads can handle it, theres never been a problem with them.

Its the head gaskets. My last EA82T that grenaded was due to loosing a piece of the piston ring landing. Pre det killed it, and that can happen to any engine.

If he stays conservative with the boost, he wont have any problems with keeping things stock.

A fresh EA82T can safely run 12lbs of boost, with no upgrades to the fuel management system.

Over torque the heads by 10lbs and use the spray on copper gasket sealer on them.

Make sure the cooling system is in top shape. The XT6 radiators cant be found on the market, so make sure yours in good shape.

Personally, I would go with a TD04 turbo. Its been installed on lots of EA82T's with good results. Your going to have to be creative with a IC tho. Theres little (zero) room on top, so you may have to go front or side mount.

[GeneralDisorder]

A fresh EA82T can safely run 12lbs of boost, with no upgrades to the fuel management system.

 

That's true, but the EA82T expects positive manifold pressure. The ER27 ECU does not. It wasn't setup to run forced induction and an EA82T ECU won't work as it doesn't have the ability to drive 6 injectors. Thus my assertion that custom fuel management will be required. And it won't be easy as there is zero aftermarket support for the EA/ER series FI components. MegaSquirt is probably the best option but the learning curve is steep and that coupled with the expense makes the whole project more expensive and frustrating than an EJ20 swap. And for 200 HP I can't see the point.

 

GD

[ruparts]

Hi,

I can see the fuel management may not be up to the task. I can't go into aftermkt systems to do stuff so without that I guess boost is not a good way to go.

Well ok there is a vf39 with 22k for 200 in dallas craiglist, (autoparts) if any interest, has some other stuff too, not mine and I don't know them. maybe a moderator could post it, I can't.

thank you for the discussion and opinons, this was a spur of the moment inquiry, real power is in 4-valve and dual cam and boost, all ej stuff.

Could a 6 cyl ecm be modified to adjust its output to allow for forced induction, the ea82T does, as mentioned but for 4 cyl, So could a 6cyl ecm be modified to do whatever the 4's do? the number of cyls is not part of what figures the fuel ratio, they receive almost all the same type inputs, except manifold pressure, we only want to remap the fuel a bit. seems that some components in there could be changed or added to or ?? any electronics experts here?

thanks

 

 

That's true, but the EA82T expects positive manifold pressure. The ER27 ECU does not. It wasn't setup to run forced induction and an EA82T ECU won't work as it doesn't have the ability to drive 6 injectors. Thus my assertion that custom fuel management will be required. And it won't be easy as there is zero aftermarket support for the EA/ER series FI components. MegaSquirt is probably the best option but the learning curve is steep and that coupled with the expense makes the whole project more expensive and frustrating than an EJ20 swap. And for 200 HP I can't see the point.

 

GD