My Pakistani TIV turbo

[Frallan2]

Some of these pictures are also posted on the picture gallery but now with this engine I will run a separate thread.
The name is simply because I will assembel and testrun the engine in Lahore Pakistan were I spend a lot of time and likely until spring 09.
The engine will be driven first when it is sent back to Sweden.

Specs of the engine are slightly "fluid" as I go along.
For now the engine consists of the below.

Stock crank 71 mm
Polished and slightly lightened TIV rods with ARP bolts. Might be replaced with Jakes Chinese.
Stock piston and cylinders. Might be replaced with my old 98 mm Oettinger nicasils and I would then order new JE custom turbo pistons.
CB drysump system
48/40 valves.
DTA EXP 48 managment
Hilborn throttle bodies
Siemens 550 cc injectors
1 1/2" stainless exhaust ( yes I know many will protest that it is too small but I have seen many and very successful engines run much more HP than I am aiming for and with good response. )
TO4 twin scroll. I have no idea about the AR or ratios yet but it will sustain 350-400 hp and that is far beyond this design.
My aim is slighty over 300.
The fan and shroud is LA Performance and Lee Arnold has promised me another shroud which is on order in CF.
The brackets will be beutified with lightening and chrome.
That is it for now.

[Eddie Brown]

Hi Frallan. I really like what you're doing there with that motor.

Are those late model bus (square port) heads?. And are the valve guides in the stock position?

Keep up the great work.

Eddie.

[NextGen]

It's great being connected to guys around the world. That is some fine work you are doing. Those manifolds look like my 914's which I had on my bug, but were too high and close on a Cali conversion to get at the carb adjustments.

[blitzvw]

That fan looks so much more cooler than a DTM

Not many people using the horizontal fan, would like to try something like that here in ZA, but they are non existent here

[Wally]

Very cool project Frallan!

Of course I like the horizontal fan too, as you'd expect
Beautifully done twin scroll flange design!
Where will you mount the turbo?

What cam and lifters will you be using and what compression ratio?
What deck height do you use? copper gaskets or just plain 94mm cylinder to flat machined head mounted?

What max boost pressure do you want to run to attain the 300 hp goal?

if you will use the 98 Oettingers, are you not afraid they will be too weak (as the wall thickness of those is not very big)?

Thanks,
Walter

[gilbequick]

Yeah that horizontal fan is just too cool. Were those ever available as a stock item or are they all aftermarket?

[Frallan2]

Eddie, yes those are late model square ports.

Wally, I aim at lower right corner by #2 cylinder position.
EMW cam that I happened to have on the shelf, I am not sure what profile right now but it is a NA midrange cam. 108 LC and no hocus pokus for turbo.
Lifters are NOS TIV 15 years old.
Deck height I am not sure about yet but my aim is at 8:1.
No gasket, ridge or extra sealing.
Boost? 16 psi or whatever I might end up with as long as CHT, knock and it sounds good.

98 Oettingers are just as you say thin in the top.
They pretty much almost slip in on original steel 94.
I was think about copying my 90 mm Oettinger nicasil from my OHC T1.
It uses steel power sleeves on top of the cylinders very successfully.
In any case I will most likely start with steel OEM 94 mm.

gilbequick, never on ACVW but on Chevrolet Corvair 6 cyl and on some race Porsche.

[Piledriver]

Didn't a small powered mobile `70s-80s Howitzer get T4s w/horizontal cooling ~just like that? I thought these cooling setups were based on that design...

I recall seeing pics of them dressed in olive drab paint...

[Frallan2]

Hi Piledriver,

Howitzer? The canon? Never heard of them running TIV, well in any case that is not VW, is it?
Corvair seems to be the main commercial car with similar type cooling.
I simply like the open layout and looks. With CF shroud it really is stunning.
Cooling capacity works good too without any extra needs of directing fins.

[Type 4 Unleashed]

Hi Piledriver,

Howitzer? The canon? Never heard of them running TIV, well in any case that is not VW, is it?
Corvair seems to be the main commercial car with similar type cooling.
I simply like the open layout and looks. With CF shroud it really is stunning.
Cooling capacity works good too without any extra needs of directing fins.

This Horizontal fan conversion was used on a FH (70mm Field Howitzer)-a Type lV propelled cannon used by many NATO army's. This info was provided by a gentleman
from the Netherlands. All I was told by Ahnendorp when I bought this one, that it was made for the Military.

It was made by Riechert Tuning, the head covers are very thin fiberglass, and do not have
the ducting outlets for the heater boxes for heat, like the earlier versions, and OD green is a Military color



Here is a pic of the earlier version, the head covers are 3 to 4 times thicker fiberglass than the Military version, and these have the heating vents, just blocked off.



I picked these up, cause I believe they provide a more even cooling & higher cooling capacity, for one reason, but the most important is they will be easy to modify to accommodate
a much wider motor, anywhere's from .500"-12.7mm to 1.0"-25.4mm per side.

[blitzvw]

Are those still available as military surplus? Would love to have one! I suppose that it would be a problem getting it to South Africa

[Piledriver]

Yes, those pics

I'm still trying to figure out how to get Richard to make some molds off them, I think a cut down Corvair fan would work out ~ perfect in the middle of those, with a ~flat circular plate in the middle, perhaps w/a nice inlet.

Probably could be much lower profile as well, and the air doesn't have to make the 90 degree bend by itself-- the fan does it. (Almost weightless fan at ~9 inch size, thin magnesium, but the alt has to go somewhere else, not under the fan)

IIRC the side bits are separate?
(Thus easy to make wider)

Just a thought---
The Corvair used one (later 2, one each side) bellows assy. very similar to what VW used for the thermostat... GM simply dumped air pressure from the cooling plenum with it when the thermostat(s) were active via a linkage and a hinged door.

[Type 4 Unleashed]

No problem, I'll just have 2 or 3 Hundred made in C?F...

Yes the head covers are seperate, so yes it would be very easy to make spacers to move the head covers out. All that would be needed is a spacer to match the spacer thickness under the cyl's.

I don't think that there is any other cooling set up that could be so easely modified for a wider motor.

Sorry blitzvw, I believe that this was the very last NOS that Ahnendorp had. And I had the chance to buy 2 from Ahnendorp, but passed on one, but changed my mind and went back but it was gone. I had found it on the German Ebay.

From what I understand Ahnendorp had the military contract to have the military version made, and had Riechert make a large # of them, and mine was one of the ones that was left over.

There are still used setups out there, I found one & Wally had found one, and the timing wasn't that far apart, but the locations were he found his in Europe And I found mine here in the US, and don't let me find any more before you do... ...
NO just kidding, I have what I need, one for a Turbo motor and the other for a really big stroker, which would be about 2.0"-50.8mm wider than stock width motor...

Hey Wally I don't see why it wouldn't work on a Pauter motor...

[Frallan2]

Nice guys!
Thanks for all input.

I learn everyday and I like it.
TIV in a canon...wow.

[Frallan2]

As this thread as gone slightly OT I add on what got me going on horizontal fans.
This pic really turned me on. Sorry "owner" I do not remember who you are. UK somewhere I beleive.