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 264 Posts Member #: 403 Senior Member sydney Australia |
3rd May, 2005 at 07:57:14am
ok, this is going to sound a bit strange but im halfway through building my 998 turbo engine but i never really knew if it was an A+ engine or not, i dont know all that much when it comes to engine models but after reading the "mini magazine" yesterday i work'd out it must be pre A+.............. should i be concerned? Should a Pre A+ engine be ok for turboing? Also what are the differences between the two engines performance and strength wize? 998 turbo |
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 7765 Posts Member #: 74 I pick holes in everything.. Chief ancient post excavator |
3rd May, 2005 at 08:10:12am
Nothing.... The only practical difference, is that A+ rod bolt are press type fit, whereas the A uses circlips On 13th Jul, 2012 Ben H said:
Mine gets in the way a bit, but only when it is up. If it is down it does not cause a problem. |
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264 Posts Member #: 403 Senior Member sydney Australia |
3rd May, 2005 at 08:13:16am
awsome, thats good 2 hear, thanks 998 turbo |
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Forum Mod 10980 Posts Member #: 17 ***16*** SouthPark, Colorado |
3rd May, 2005 at 05:33:27pm
Hey Vegard, Isn't it only some A+998 use press-fit? I recall the majority used circlips??? On 17th Nov, 2014 Tom Fenton said:
Sorry to say My Herpes are no better Ready to feel Ancient ??? This is 26 years old as of 2022 https://youtu.be/YQQokcoOzeY |
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Site Admin  15302 Posts Member #: 337 Fearless Tom Fenton, Avon Park 2007 & 2008 class D winner & TM legend. |
3rd May, 2005 at 06:52:22pm
All the A+ 998's I have ever stripped down used press fit gudgeon pins?
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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7765 Posts Member #: 74 I pick holes in everything.. Chief ancient post excavator |
4th May, 2005 at 07:55:10am
Crap..... GUDGEON pins, not rod bolts....
On 13th Jul, 2012 Ben H said:
Mine gets in the way a bit, but only when it is up. If it is down it does not cause a problem. |
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 9258 Posts Member #: 123 Post Whore Betwix Harrogate and York |
4th May, 2005 at 08:19:57am
I agree, all the A+ 998 motors I've seen have the later slipper pistons. However, I used these and they didn't last. The earlier cir-clip fit pistons have lasted so far.
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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 982 Posts Member #: 97 Post Whore Near Daventry, midlands |
4th May, 2005 at 04:04:47pm
i have an a+ 998 block sitting in my garage with a 1/2" grove down one of the bores. I beg to differ on the fact that they are all press fit. Block came from a circa 85 car, unsure on originality of the engine. I've seen the future and tbh its Pie
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