S,M,G

I haven't put much into this board of late so if there is some interest i'll go through some of the motions of Tims engine build and so on, covering phase 2 heads on phase 1 engine and the complications that arrise, GT series turbo fitment with external wastegate, fuel system mods and so on.

He wants good power drivabilty and reliability so not going to stupid. What we have done is tried this with an open deck block, but some measures have been taken.

1- heavy duty 97mm liners
2- 14mm stud and nut conversion
3- steel shim gaskets

so we shall see what happens...had to be tried.

Steel wedged twin oil feed billet crank
arrow h beam rods
venolia pistons..nipon rings
lead heavy duty bearings....



ported heads
high lift cams
one piece valves with wasted stem on the inlet
double valve springs
steel valve retainers
manifold isolaters
14mm head studs
vernier pulleys....



GT30 turbo
TAG wastegate
K+N filter....



Cams are high lift, overlap is kept sensible to retain a good idle. High lift cams in a turbo engine can result in low gas speed at low engine revs, the heads have been ported with this in mind gas speed is 200 feet per second at some points of the port this is a very good improvement and will help with the related probs of high lift cams, heads still flow 170 cfm.

Tim some pics of the intercooler...car?

Steve





[Edited by S,M,G - 5/17/2003 7:08:51 PM]

HHxx

I wanna see the piccys

Tim K

Nice pics Steve did you upload them on the Turbosport site?
Got another username, Tim K without the _ !
Can't put my pics up yet coz I've gotta reinstall the software for the digicam! Will be added soon

Tim K

Steve, Go to http://fotopic.net
create an account then post your photos, once posted & approved
you can right click on the pic & copy the code to paste into your SN post.
(or you could email them to me )

Here goes for a test pic of my car (complete with SMG Artwork )





[Edited by Tim K - 5/16/2003 1:28:34 AM]

beryllium

very exciting project .is the starting block 2L or 2L2 ?
and where do you find the liners?

HHxx

Very nice bits

Spotted Davids post on turbosport in the test section

S,M,G

Block is a 2l that came with the car, it does have oil squirters to help cool the piston crown. The liners are a top hat heavy duty diesel liner, there is a lot of machine work to fit them but ends up a nice job.
Steve
Whats the fastest way to upload the pics anyone? David i did not have any luck with your one, i must be doing something wrong put in the password and it came up done and that was it.

Tim K

Pics now added to your post Steve

beryllium

Steve
i have a 2L closed deck gruppe A bloc , and very interested about the liners's fiting.can you explain the work with them and from wich car are they coming?
Charly

ODD KID'S MATE

Is this the TIM K A.K.A CAMP TIMMY, typical camp lump I must say I bet you wished it was dipped in honey

S,M,G

odd kid...you are a strange man!! but thats why we luv you and it is the one and only
Beryllium when i get this new pic thing sorted il put some pics up of a converted closed deck block and some of the machining pics. I get the liners custom made now as thay used to be 7 inches long and it was a pain machining them down, i dont now what the intended vehicle was i selected them by size and flange o/d.
Steve.

S,M,G

Graham it may be a camp lump, but its a camp lump that made you buy an evo so you had half a chance of keeping up. Need the cash by wednesday for your evo crank.
Steve.

David_Wallis

Steve,

Dunno why it didnt work.. what connection do you have? Is it slow?

Mail me any pics if you want me to host them...

Whats a wasted stem on the valve mean?

David

S,M,G

ok cheers david, wasted stem means that the part of the valve stem that you see in the port is a smaller diameter than the rest of the stem giving less flow restriction.
Steve.

Tim K

Thanks for that Odd kid, next time I see you i'm gonna dip you in honey

We'll soon see how camp my lump is (ooh er!)

Here's a couple of pics of the world car intercooler & a close up of the GT30 turbo...







Couple more pics of the airbrushed paintwork...





Steve has recently carried out a dummy build on the engine to ensure clearances etc all work out,
All the parts are now ready for the final engine build, which will take place
within the next week or so, I'll post some more pics as we progress

Tim

David_Wallis

would be interested to know what wheel and boost your running??

Who supplied the turbo

Mail me

David

911

Great project, especially as (for now) you are not going 'mad', just looking for a strong driveable engine. Looking forward to doing a 2.2 or bigger for my hill climb STi.
Can you give us all following the thread an idea of costs also? Scooby Mania list a built 2.2 for 5K, interested how you get on!
Graham.

vulnax999

iTrader: (7)

Missed the promised build piccies tho...

[Edited by vulnax999 - 10/6/2003 10:11:08 PM]

tweenierob

Top

M0NEY

Whats the update then

911

SMG: You started all this, where are you now, we are waiting!
Graham.

David_Wallis

busy with engines

S,M,G

Exhaust manifold and downpipe almost done, shimming heads tomorrow, short engine has been done for a while some pics to come soon.
Steve

carlos_hiraoka

Steve is Tim's engine a open deck block ????? ..... I thought that it was not possible to fit 97mm liners to an open deck block

Carlos H.

David_Wallis

tim engine is 2.2...


stroked 2l ... 97mmm = 2.33 iirc

carlos_hiraoka

David, but is it based on a open or close deck block ?????

ustolemyname??stevieturbo

iTrader: (1)

I think it was based on a closed deck block, extensively re-worked.

UkLegacyT

top of the first page, second paragraph... open deck block with measures taken etc.

ian

carlos_hiraoka

I was just asking because I though there was not enough "meat" to fit 97mm liners on an open deck block .....

Carlos H.

S,M,G

Engine is based on an my95 open deck block with oil squirters to cool the crown of the piston. The phase 2 open deck blocks do not have oil squirters. The open and closed deck blocks have the same cylinder wall thickness, the extra material is only at the closed area makeing it more rigid, because of this there is less chance of bore distorsion that could result in head gasket failer due to the movement. The stroke of tims engine is std 75mm the bore is 97mm resulting in a 2217cc. The block has a heavy duty 97mm i/d liner with a top hat, this is a thick wall rigid liner that will resist extreme cyl preasure, also we have 14mm heavy duty studs that will have much less chance of stretching under the cyl presure. The use of a steel shim gasket will 1.cause less bore distortion (also one of the benefits of a stud and nut kit) 2. The
steel shim gasket will seat on the top hat of the liner making thing even more rigid. I am very hopeful that this will work if there are any gasket failer issues or excessive cyl leakage then the engine will be rebuilt with a closed deck block. One benefit with a subaru block is that the thread for the studs is below the cyl this is also to prevent bore distorsion.
Steve someone had to try it