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Home > 998cc > Which pistons for 998 turbo? | |||||||
29 Posts Member #: 756 Member |
6th Nov, 2005 at 10:56:54pm
Which pistons would be best for my 998 turbo? the block is going to be bored out +20 just to make sure, so can I use normal pistons and then sort out the compression with head mods? Edited by AlexB on 7th Nov, 2005. |
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9258 Posts Member #: 123 Post Whore Betwix Harrogate and York |
7th Nov, 2005 at 07:52:26am
Watch this space.
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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29 Posts Member #: 756 Member |
7th Nov, 2005 at 08:54:39am
what sort of compression would these give? would i have to do a lot of head work or would the only way of telling be to fit them and find out |
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![]() 2521 Posts Member #: 417 Post Whore Swindon |
7th Nov, 2005 at 08:56:32am
998's have verydeep combustion chambers in the head to start with
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9258 Posts Member #: 123 Post Whore Betwix Harrogate and York |
7th Nov, 2005 at 09:11:58am
Should be easy to calculate what size head chambers you'll need, as you know everything else.
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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29 Posts Member #: 756 Member |
7th Nov, 2005 at 10:44:34am
thats great, ill stick them the pistons on the list along with every thing else to get
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Site Admin ![]() 15300 Posts Member #: 337 Fearless Tom Fenton, Avon Park 2007 & 2008 class D winner & TM legend. |
7th Nov, 2005 at 10:53:16am
I don't know for sure if anyone has got a running engine (998 with a 12G295) of that spec.
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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29 Posts Member #: 756 Member |
7th Nov, 2005 at 11:11:51am
So a decent 295 is a must then. If i cant get one how different would the 940 head be compared with the 295? |
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29 Posts Member #: 756 Member |
7th Nov, 2005 at 11:47:02am
will the 940 head release a lot more power than the 295?
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9258 Posts Member #: 123 Post Whore Betwix Harrogate and York |
7th Nov, 2005 at 12:04:36pm
"Will said to just remove the guide bosses and leave it at that"
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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Site Admin ![]() 15300 Posts Member #: 337 Fearless Tom Fenton, Avon Park 2007 & 2008 class D winner & TM legend. |
7th Nov, 2005 at 12:06:09pm
On 07/11/2005 12:05:15 mini1071s said:
I don't know (until it's on the dyno) and won't say if I don't know! It would be good if everyone in life followed that rule.....
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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![]() 3329 Posts Member #: 184 Senior Member Melton Mowbray, Pie Country |
7th Nov, 2005 at 12:25:33pm
The real reason we went 940 wat that we had been moding NA 998s for years and in out experiance the 940 gave much more power than the 295, and they are cheeper and more available.
http://www.twin-turbo.co.uk
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![]() 3329 Posts Member #: 184 Senior Member Melton Mowbray, Pie Country |
7th Nov, 2005 at 01:35:01pm
I suppose I should quantify that we have used 276 cams to good effect with the 940. And have friends running 286 cams in a NA that manahed 15.5 sec 1/4 male at avon this year. http://www.twin-turbo.co.uk
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29 Posts Member #: 756 Member |
7th Nov, 2005 at 03:11:27pm
I'll try and get a decent 295 otherwise ill go for the 940 instead as there are plenty of non-modified around.
On 07/11/2005 12:09:11 mini1071s said:
:) Damn right Tom, this isn't minifinity, it's a quality forum! No point in making it up! why you say that? |
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29 Posts Member #: 756 Member |
7th Nov, 2005 at 03:23:05pm
On 07/11/2005 15:18:59 mini1071s said:
19XX being a prime example of the sort of lying scum that infests the place now spoiling it for the majority of nice users. I will never bother again... He used to belong to minresource until he got banned, he put off a good few people through what he said There are a couple of people that say 998's are untunable but the majority just give you the facts and let you decide for yourself. I heard about the death threats and i believe these people to be immature f***ups that need to grow up Anyway back on topic, this site is really useful and the answers just keep on coming. A lot of good stuff in back posts as well |
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29 Posts Member #: 756 Member |
7th Nov, 2005 at 03:32:18pm
Most of the people that runied it have left or very rarely post so its much better now
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29 Posts Member #: 756 Member |
7th Nov, 2005 at 04:08:13pm
what about using the ones that wil posted above?
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![]() 6274 Posts Member #: 509 Post Whore Isle of Man |
8th Mar, 2006 at 08:55:56pm
sorry to dig up an old thread, got nothing better to do!
Edited by joeybaby83 on 8th Mar, 2006. "Turbo's make torque, and torque makes fun"
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9258 Posts Member #: 123 Post Whore Betwix Harrogate and York |
9th Mar, 2006 at 06:31:19am
1) the slipper pistons ar the later no skirt pistons with the press fit gudgon pin.
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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447 Posts Member #: 668 Senior Member newton aycliffe (near durham) |
9th Mar, 2006 at 12:40:36pm
Hey, im looking at pistons now for my 998cc turbo project.
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447 Posts Member #: 668 Senior Member newton aycliffe (near durham) |
9th Mar, 2006 at 12:58:31pm
ill give them a ring just i cant seem to find the 998cc ones on the internet,
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447 Posts Member #: 668 Senior Member newton aycliffe (near durham) |
9th Mar, 2006 at 01:06:15pm
just phone minispares and they dont have any!!
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447 Posts Member #: 668 Senior Member newton aycliffe (near durham) |
9th Mar, 2006 at 01:43:34pm
well i phoned northern branch and he said theyve never been any!which i have seen some on here linked before!so im trying to phone the london branch!
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447 Posts Member #: 668 Senior Member newton aycliffe (near durham) |
9th Mar, 2006 at 02:56:27pm
Cam will be a mg metro one,
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![]() 8604 Posts Member #: 573 Formerly Axel Podland |
11th Mar, 2006 at 12:20:05pm
Question,
Saul Bellow - "A great deal of intelligence can be invested in ignorance when the need for illusion is deep."
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