Re: TOTO Piston's with pic
Originally Posted by SunshineSketches
the dish on all these pistons reminds me of the civic vx 7mm dish, mad tyte yo.
What is the compression ratio of this engine and the volume of the combustion chamber? i find it hard to believe you can't find other options for pistons though, whats the compression height and the piston pin measurements? Scoupe has a bore of 75.5mm and a stroke of 83.5mm capacity of 1498 Compression is 7-5,1 131.5 Center to Center.plus minus... Engine moves Clock Wise, Pressfit into conrod What else do you guys need to know?
Originally Posted by Joseph Davis
I had a stock LS on the dyno yesterday doing 1.6 bar tapering to 1.3 bar. Its easily doable with tuning AND the correct piston-wall and ring gap clearances. If you don't detonate forged vs cast is irrelevant.
Joseph Davis & SunshineSketches i read a Article about amonth ago and it says if your Octane is High enuff your compression ratio becomes Irrelevant! What is your View on this Subject. I have a Huge Intercooler, Bigger Injectors a Awsome Managment system & awsome Turbo. I intend on Ceramic Coating My pistons and Adding Water Injection. Besides that My Tank Octane Is a Minimum of 95 and when i hit the Streets my octane is normilly over 100. So u rekon my setup will be bullet proof or am i reaching? ***Update i was boosting the car Over the weekend 1.4 bar and the car is really reliable. dont think the car has ever running this smooth & power full fitting the Meagsquirt has been a Great Success..... |
Re: Cast Piston's & High Boost Re:Toto's
^^ BUMP^^
Where are the Big Boys on this? and why has no one comments on my Pistons? |
Re: TOTO Piston's with pic
Originally Posted by Schwitzer Turbo
Joseph Davis & SunshineSketches i read a Article about amonth ago and it says if your Octane is High enuff your compression ratio becomes Irrelevant! What is your View on this Subject.
You can bitch and whine and discuss this crap forever, the only way you can be sure it will work is to try it. Just don't try to make killer HP with lots of timing, because the only thing 'killer' you'll get is detonation. End of ------- thread. |
Re: Cast Piston's & High Boost Re:Toto's
Hey Pwoos, Stop Being a Jack Ass. Just Saw ST's dyno run 300nm Awsome Stuff. and as you can see he has been doing the R& D himself. Why is there so much hate for anything not Honda? 300nm on Pump gas is gewd stuff for a 1500 Sohc....
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Re: Cast Piston's & High Boost Re:Toto's
Wiseco does make pistons and ring sets for you car. I believe its listed under 1.5 x3 or lc, no matter they are all the same size. As for the scoupe pistons I am doing 21psi, you seen my chart (though my turbo sucks). The stock scoupe pistons compression are 7.8:1 I believe. Lucky you that their are oil squirters in that nice cast iron block of yours, no oil squirters for my x3.
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Re: Cast Piston's & High Boost Re:Toto's
Originally Posted by omgbossis21
Wiseco does make pistons and ring sets for you car. I believe its listed under 1.5 x3 or lc, no matter they are all the same size. As for the scoupe pistons I am doing 21psi, you seen my chart (though my turbo sucks). The stock scoupe pistons compression are 7.8:1 I believe. Lucky you that their are oil squirters in that nice cast iron block of yours, no oil squirters for my x3.
PS these are the EXA 1's http://www.iformation.co.za/scoupe/exap.jpg |
Re: Cast Piston's & High Boost Re:Toto's
^^BUMP^^
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Re: Cast Piston's & High Boost Re:Toto's
I hunted for the link but i cant find it, sorry. I used to have it bookmarked. The site listed pistons and rings, even gapless rings. There was also another company making them on the same site, sorry its useless if i cant find it though.... If it helps they had them for the 1.5, 1.6 and the 2.0
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Re: TOTO Piston's with pic
Originally Posted by Joseph Davis
\ If you don't detonate forged vs cast is irrelevant.
Cast pistons have much lower HP limits than forged.. Tuning can cause high EGTs which cast pistons don't handle as well either. Contact Venolia for pistons - reasonable price.. they can build anything. You need to lower your compression and go forged anyway. |
Re: Cast Piston's & High Boost Re:Toto's
Who is Venolia?
and these are a Different Variation of the Exa's, See persistance pays off, i will be trying these and will keep you guys posted. I like the Thicker Ringland of these over the Original Exa's.... Tell me about the Oil Rings gap? I am to understand that the Oil ring space is suppose to have grooves or Hole's in them? When I spoke to the Scoupe JHB dude he said the Original's have HOLES in it Not Grooves and the Cheap Jap Imports have Groves Not Holes. and the ones that have the Holes are the best. Now these NEW Exa' pistons that Andy has got the Ring landing is similar to the Scoupe's GT's.Much Thicker than the EXA 1's but the new Exa 2 have NO holes or Grooves.(is this a must on a turbo pistons?) Other than that the mechanic is Very Confident about these Pistons. withoiut Furthur Adew http://www.iformation.co.za/scoupe/myexa1.jpg http://www.iformation.co.za/scoupe/myexa2.jpg http://www.iformation.co.za/scoupe/myexa3.jpg |
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