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Home > 998cc > Which pistons for 998 turbo? | |||||||
![]() 8604 Posts Member #: 573 Formerly Axel Podland |
11th Mar, 2006 at 07:02:57pm
Update,
Saul Bellow - "A great deal of intelligence can be invested in ignorance when the need for illusion is deep."
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Site Admin ![]() 15300 Posts Member #: 337 Fearless Tom Fenton, Avon Park 2007 & 2008 class D winner & TM legend. |
11th Mar, 2006 at 07:04:55pm
Yes, the A and A+ pistons only fit the correct rods. So A rods for A pistons, A+ rods for A+ pistons.
On 29th Nov, 2016 madmk1 said:
On 28th Nov, 2016 Rob Gavin said:
I refuse to pay for anything else Like fuel 😂😂 |
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9258 Posts Member #: 123 Post Whore Betwix Harrogate and York |
11th Mar, 2006 at 09:18:35pm
Interestingly, I use the 20773 pistons on rods that came from an A+ engine which had 20600 flat top, circlip fitted pistons.
Fastest 998 mini in the world? 13.05 1/4 mile 106mph
On 2nd Jan, 2013 fastcarl said:
the design shows a distinct lack of imagination, talk about starting off with a clean sheet of paper, then not bothering to fucking draw on it,lol On 20th Apr, 2012 Paul S said:
I'm mainly concerned about swirl in the runners caused by the tangential entry. |
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![]() 8604 Posts Member #: 573 Formerly Axel Podland |
11th Mar, 2006 at 09:35:57pm
Apparently, the 998 A Plus pistons changed from circlip to press fit in the late 80s.
Saul Bellow - "A great deal of intelligence can be invested in ignorance when the need for illusion is deep."
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![]() 8604 Posts Member #: 573 Formerly Axel Podland |
21st Apr, 2006 at 02:52:11pm
This is the latest spiel from the Minispares website for the new Mega pistons for the 998:
Saul Bellow - "A great deal of intelligence can be invested in ignorance when the need for illusion is deep."
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9258 Posts Member #: 123 Post Whore Betwix Harrogate and York |
21st Apr, 2006 at 03:15:01pm
On 21/04/2006 14:52:11 Axel said:
Anyone like to comment on the last sentence of the above?? Do you think that you can you just discard the circlips and use these pistons as press fit? That's how it reads to me. Fastest 998 mini in the world? 13.05 1/4 mile 106mph
On 2nd Jan, 2013 fastcarl said:
the design shows a distinct lack of imagination, talk about starting off with a clean sheet of paper, then not bothering to fucking draw on it,lol On 20th Apr, 2012 Paul S said:
I'm mainly concerned about swirl in the runners caused by the tangential entry. |
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![]() 8604 Posts Member #: 573 Formerly Axel Podland |
21st Apr, 2006 at 03:17:04pm
Yeh, but we know how the suppliers will tell us anything to get a sale! Saul Bellow - "A great deal of intelligence can be invested in ignorance when the need for illusion is deep."
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![]() 6274 Posts Member #: 509 Post Whore Isle of Man |
21st Apr, 2006 at 03:56:26pm
indeed, Im gonna stick with the std flat tops now and use head similar to yours to get the compression down on the first 998 build, after that ill use the +20 dished pistons that minispares sell (same as what wil_h is running i think).
"Turbo's make torque, and torque makes fun"
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6 Posts Member #: 946 Junior Member Netherlands |
31st May, 2006 at 06:11:34pm
the 12G295 head is from a 998 Cooper and a MG1100, if I understand well.
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Site Admin ![]() 15300 Posts Member #: 337 Fearless Tom Fenton, Avon Park 2007 & 2008 class D winner & TM legend. |
31st May, 2006 at 08:45:13pm
Just to add, it fits straight on 850/998/1098cc engines (small bore)
On 29th Nov, 2016 madmk1 said:
On 28th Nov, 2016 Rob Gavin said:
I refuse to pay for anything else Like fuel 😂😂 |
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![]() 1849 Posts Member #: 672 The oversills police Oslo, Norway |
31st May, 2006 at 09:44:50pm
it will fit, but will not work:) |
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388 Posts Member #: 442 Senior Member Manchester |
6th Mar, 2007 at 03:35:00pm
hi all. I know this is an old thread but their are many unanswered questions!
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9258 Posts Member #: 123 Post Whore Betwix Harrogate and York |
6th Mar, 2007 at 03:50:30pm
The 20773s appear to be an ok piston. But I went through two sets last season. Mainly I think because of high inlet temps.
Fastest 998 mini in the world? 13.05 1/4 mile 106mph
On 2nd Jan, 2013 fastcarl said:
the design shows a distinct lack of imagination, talk about starting off with a clean sheet of paper, then not bothering to fucking draw on it,lol On 20th Apr, 2012 Paul S said:
I'm mainly concerned about swirl in the runners caused by the tangential entry. |
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388 Posts Member #: 442 Senior Member Manchester |
6th Mar, 2007 at 06:27:04pm
On 6th of Mar, 2007 at 03:50pm wil_h said:
The 20773s appear to be an ok piston. But I went through two sets last season. Mainly I think because of high inlet temps. This year I am trying the Mega pistons, so we'll se how it goes. Are you using an intercooler? If so have you thought about water injection or aid inlet temp cooling? |
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9258 Posts Member #: 123 Post Whore Betwix Harrogate and York |
6th Mar, 2007 at 06:57:46pm
Water injection is for use when you have the wrong turbo. turning the boost down is easier and has the same effect.
Fastest 998 mini in the world? 13.05 1/4 mile 106mph
On 2nd Jan, 2013 fastcarl said:
the design shows a distinct lack of imagination, talk about starting off with a clean sheet of paper, then not bothering to fucking draw on it,lol On 20th Apr, 2012 Paul S said:
I'm mainly concerned about swirl in the runners caused by the tangential entry. |
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![]() 157 Posts Member #: 1508 Advanced Member n ireland killyleagh |
10th Mar, 2007 at 08:18:29pm
PISTON SINGLE MINI 1000cc +020 P20773-20 how much can be milled out of these any idea? thanks
I'm stupid Ive A fiesta with most of the bits to make my megajolt thingy. Thick or what!!!! OHHHHH and ive got a metro for free !!!!! Metros have become rare over here!!!!!!!!!
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9258 Posts Member #: 123 Post Whore Betwix Harrogate and York |
13th Mar, 2007 at 10:06:16am
Not sure how much you'd need milled out. they have a 6cc dish as standard. Fastest 998 mini in the world? 13.05 1/4 mile 106mph
On 2nd Jan, 2013 fastcarl said:
the design shows a distinct lack of imagination, talk about starting off with a clean sheet of paper, then not bothering to fucking draw on it,lol On 20th Apr, 2012 Paul S said:
I'm mainly concerned about swirl in the runners caused by the tangential entry. |
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![]() 3184 Posts Member #: 628 Post Whore a LIL fishing village on the coast - Newcastle Upon Tyne |
10th May, 2007 at 11:26:20am
just read this thread, and it has helped me with my future build, which alas will be 850 or 998 turbo pending on what needs to be done :)
Edited by Richie on 10th May, 2007.
On 17th Aug, 2009 Jay#2 said:
I doubt I'll be dipping into the 13's like you did though! |
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![]() 9812 Posts Member #: 332 Resident Cylinder Head Modifier Mitsi Evo 7, 911, Cossie. & all the chavs ...... won no problem |
23rd May, 2007 at 02:41:44am
On 6th of Mar, 2007 at 06:27pm mcalvert39 said:
On 6th of Mar, 2007 at 03:50pm wil_h said:
The 20773s appear to be an ok piston. But I went through two sets last season. Mainly I think because of high inlet temps. This year I am trying the Mega pistons, so we'll se how it goes. Are you using an intercooler? If so have you thought about water injection or aid inlet temp cooling?
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![]() 1840 Posts Member #: 54 Post Whore nr coventry |
24th May, 2007 at 09:27:51pm
what would happen with a 295 head & 20773s+20's i think the C/R is getting very low? SKYLINES ARE LIKE CLITS, EVERY FLANGE SEEMS TO HAVE ONE: see this sticker on my silvia
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