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Showing results 1 to 25 of 37
Search took 0.20 seconds. Search: Posts Made By: OBI
Forum: Turbo Projects 12-27-2005, 10:00 AM
Replies: 190
Views: 39,863
Posted By OBI
would they design these pistons around the...

would they design these pistons around the combustion chamber for proper squish band, and will they keep the stock valve relief areas for non interfierance?
those would be good points to discuss...
Forum: Turbo Projects 12-27-2005, 09:49 AM
Replies: 190
Views: 39,863
Posted By OBI
Im going to buy a new caliper today and then...

Im going to buy a new caliper today and then measure again.
Forum: Turbo Projects 12-27-2005, 09:45 AM
Replies: 190
Views: 39,863
Posted By OBI
Come on surely if im confident in my measurements...

Come on surely if im confident in my measurements i know how to zero the gauge. youre right a dial caliper is what im using.
Forum: Turbo Projects 12-27-2005, 09:39 AM
Replies: 190
Views: 39,863
Posted By OBI
no I dont have the tools to measure the center of...

no I dont have the tools to measure the center of a hole i do it like you just described. I could send you the pistons and rod. What's your address?
Forum: Turbo Projects 12-27-2005, 09:33 AM
Replies: 190
Views: 39,863
Posted By OBI
Ok from the top of the 2.2 piston to the top of...

Ok from the top of the 2.2 piston to the top of the 2.2 piston pin is .870 inches. Im also confident in my measurements, however my micrometer gives me consistent repeatable measurements of the...
Forum: Turbo Projects 12-27-2005, 09:15 AM
Replies: 190
Views: 39,863
Posted By OBI
I messed up on the measurement. I posted the...

I messed up on the measurement. I posted the measurement of the piston pin top to the top of the piston, but what you need is the piston pin centerline to the top of the piston right?
Forum: Turbo Projects 12-27-2005, 08:25 AM
Replies: 190
Views: 39,863
Posted By OBI
The measurement is .880 Inches.

The measurement is .880 Inches.
Forum: Turbo Projects 12-27-2005, 08:23 AM
Replies: 190
Views: 39,863
Posted By OBI
[QUOTE=longassname]OBI can you measure from the...

[QUOTE=longassname]OBI can you measure from the top of the pin to the top of the 2.2 piston?[/QUOTE

.880 inches
Forum: Turbo Projects 12-16-2005, 09:58 AM
Replies: 190
Views: 39,863
Posted By OBI
Michael are the tomei 740 cc injectors a direct...

Michael are the tomei 740 cc injectors a direct fit on the six?
Forum: Turbo Projects 12-16-2005, 09:55 AM
Replies: 190
Views: 39,863
Posted By OBI
Ok I ccd the pistons. The 2.2 gave me 28cc dish...

Ok I ccd the pistons. The 2.2 gave me 28cc dish and the 3.3 gave me 4cc dish.....so the 2.2 adds 24cc to the 61cc which equals 85cc total compression volume (the volume including everything from the...
Forum: Turbo Projects 12-16-2005, 09:46 AM
Replies: 190
Views: 39,863
Posted By OBI
back to the drawing board :(

back to the drawing board :(
Forum: Turbo Projects 12-16-2005, 09:09 AM
Replies: 190
Views: 39,863
Posted By OBI
This math can get confusing. It's 61cc's alright....

This math can get confusing. It's 61cc's alright. you have to divide by 9 not 10 . :p
Oh by the way the compression hight of the svx piston is .005 more than the 2.2. i aligned the pistons again...
Forum: Turbo Projects 12-16-2005, 08:39 AM
Replies: 190
Views: 39,863
Posted By OBI
Harvey, why 61cc? Im getting 55 cc. here's how. ...

Harvey, why 61cc? Im getting 55 cc. here's how.

the displacement of one cylinder is 553cc's divide by ten an you get a compression volume of 55cc's.

Heres the math to veryfy 96.90 is the bore....
Forum: Turbo Projects 12-14-2005, 06:37 PM
Replies: 190
Views: 39,863
Posted By OBI
http://www.subaru-svx.net/photos/files/OBI/32429.J...

http://www.subaru-svx.net/photos/files/OBI/32429.JPG

yes they line up. in this picture i highlighted the positive part of the piston .
Forum: Turbo Projects 12-14-2005, 06:16 PM
Replies: 190
Views: 39,863
Posted By OBI
the volume of the valve reliefs are much larger...

the volume of the valve reliefs are much larger than the dome.
Forum: Turbo Projects 12-14-2005, 06:07 PM
Replies: 190
Views: 39,863
Posted By OBI
http://www.subaru-svx.net/photos/files/OBI/32428.J...

http://www.subaru-svx.net/photos/files/OBI/32428.JPG http://www.subaru-svx.net/photos/files/OBI/32427.JPG http://www.subaru-svx.net/photos/files/OBI/32426.JPG

the pictures with the caliper shows...
Forum: Turbo Projects 12-14-2005, 05:05 PM
Replies: 190
Views: 39,863
Posted By OBI
This is a valid point. I think were better of...

This is a valid point. I think were better of having custom pistons made with the proper design which takes into acount the shape of the combustion chamber for proper squish band and proper valve...
Forum: Turbo Projects 12-14-2005, 04:47 AM
Replies: 190
Views: 39,863
Posted By OBI
http://www.subaru-svx.net/photos/files/OBI/32414.b...

http://www.subaru-svx.net/photos/files/OBI/32414.bmp I hope that the svx chamber is not bigger( less than 8 to 1 would suck). looking at the the big difference in both piston's volumes, it seems to...
Forum: Turbo Projects 12-13-2005, 04:56 PM
Replies: 190
Views: 39,863
Posted By OBI
some more pics

http://www.subaru-svx.net/photos/files/OBI/32407.JPG http://www.subaru-svx.net/photos/files/OBI/32406.JPG http://www.subaru-svx.net/photos/files/OBI/32405.JPG...
Forum: Turbo Projects 12-12-2005, 06:14 PM
Replies: 190
Views: 39,863
Posted By OBI
Im trying to post pictures of the pistons but im...

Im trying to post pictures of the pistons but im having a some trouble. I already have them in my locker down to 640x480 but i cant attach them to my post, im getting an error when i upload them on...
Forum: Turbo Projects 12-12-2005, 04:23 AM
Replies: 190
Views: 39,863
Posted By OBI
Talking The only way you will increase the stroke is by...

The only way you will increase the stroke is by changing the location of the crank pin, period. all you are doing by what you said is changing the range were the stroke operates at. No increase in...
Forum: Turbo Projects 12-08-2005, 03:25 PM
Replies: 190
Views: 39,863
Posted By OBI
Here's something you obviously dont know. Unless...

Here's something you obviously dont know. Unless you are sleeving your motor you can forget about 3.6-3.8 displacement. The eg33 block can only be bored out to .50 mm as per factory manual, any more...
Forum: Turbo Projects 12-07-2005, 04:41 PM
Replies: 190
Views: 39,863
Posted By OBI
Im finaly getting a digital camera, i will have...

Im finaly getting a digital camera, i will have pictures up soon.
Forum: Turbo Projects 12-07-2005, 04:36 PM
Replies: 190
Views: 39,863
Posted By OBI
No problem. I could cc the 2.2 turbo head but i...

No problem. I could cc the 2.2 turbo head but i cant cc the svx heads. can enyone else contribute to this cause? I dont want to take the eg33 apart yet i want to run it n/a for a while till i build a...
Forum: Turbo Projects 12-02-2005, 01:10 PM
Replies: 190
Views: 39,863
Posted By OBI
Why not bore it enough to use the 2.5L pistons....

Why not bore it enough to use the 2.5L pistons. What's the bore/stroke on the new 2.5L turbo engines?


Forget it it cant be done, the sleeves arent thick enough.
Showing results 1 to 25 of 37
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