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Forum Mod  1927 Posts Member #: 1761 Stalker Bristol |
1st Jun, 2008 at 10:40:50pm
Hello all,
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 969 Posts Member #: 47 Post Whore Not very sunny swanage |
2nd Jun, 2008 at 07:10:22am
yes, should do. And on the 7th day........... God created turbochargers! |
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 9258 Posts Member #: 123 Post Whore Betwix Harrogate and York |
2nd Jun, 2008 at 07:58:14am
Well the drive shape its self does, but fitting a turbo pump (or any large bore pump) is not a simple matter.
Edited by wil_h on 2nd Jun, 2008. 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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Forum Mod 1927 Posts Member #: 1761 Stalker Bristol |
2nd Jun, 2008 at 10:56:20pm
Oh right, thanks for the answers guys.
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 4360 Posts Member #: 1459 En-suite user Braintree, Essex |
3rd Jun, 2008 at 12:43:14am
Silly as it sounds, can you just cut or grind the difference off the drive?
On 2nd Jun, 2008 wil_h said:
Well the drive shape its self does, but fitting a turbo pump (or any large bore pump) is not a simple matter. Specifically, the turbo pump has a different fitting to the 998 pump, so you either need to drill and tap the block or put an extra hole in the pump (not so easy). Also the drive peg on the large bore pump is around 10mm longer (to makeup for the longer block), so you either need to space the pump back using a spacer, or change the drive pin. I personally have never used a larg bore pump on any of my 998 turbos. the road 998T has the original pump it came with in it still. And the TT uses the highest capacity 998 pump I could find (Morspeed suppied it). On 19th Jan, 2010 wil_h said:
I would start the furthest place from the finish. On 24th Mar, 2012 apbellamy said:
I feel all special knowing that I've given your mum my wood. Been neglecting Turbo'd 'A' series.............. |
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 7765 Posts Member #: 74 I pick holes in everything.. Chief ancient post excavator |
3rd Jun, 2008 at 07:22:00am
No, the backplate is a different casting as well. This might be ground off as well though come to think of it.
On 3rd Jun, 2008 milamber said:
Silly as it sounds, can you just cut or grind the difference off the drive? On 2nd Jun, 2008 wil_h said: Well the drive shape its self does, but fitting a turbo pump (or any large bore pump) is not a simple matter. Specifically, the turbo pump has a different fitting to the 998 pump, so you either need to drill and tap the block or put an extra hole in the pump (not so easy). Also the drive peg on the large bore pump is around 10mm longer (to makeup for the longer block), so you either need to space the pump back using a spacer, or change the drive pin. I personally have never used a larg bore pump on any of my 998 turbos. the road 998T has the original pump it came with in it still. And the TT uses the highest capacity 998 pump I could find (Morspeed suppied it). 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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