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138 Posts Member #: 138 Advanced Member |
19th Aug, 2006 at 01:08:31pm
Wont that cause conrod stretch at high rpm and smack the chamber with pistons ?
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5795 Posts Member #: 80 AFRacing LTD Newbury, Berks |
19th Aug, 2006 at 01:11:15pm
Not necessarly, think headgasket thickness! AlexF |
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 12307 Posts Member #: 565 Carlos Fandango Burnham-on-Crouch, Essex |
19th Aug, 2006 at 01:17:02pm
I think Mr Vizard reckoned around 15 thou stretch @ 8k.
On 28th Aug, 2011 Kean said:
At the risk of being sigged... Joe, do you have a photo of your tool? http://www.turbominis.co.uk/forums/index.p...9064&lastpost=1 https://joe1977.imgbb.com/ |
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 1849 Posts Member #: 672 The oversills police Oslo, Norway |
19th Aug, 2006 at 03:01:06pm
I have never seen that happen on mine, I have taken it to 9300 rpm, and have 73.5 mm bore. I have zero difference between the pistons and the deck. |
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 11046 Posts Member #: 965 Post Whore Preston On The Brook |
19th Aug, 2006 at 03:28:34pm
Do you have gasket overhang? What gasket are you using? On 26th Oct, 2004 TurboDave16v said:
Is it A-Series only? I think it should be... So when some joey comes on here about how his 16v turbo vauxhall is great compared to ours, he can be given the 'bird'... On 26th Oct, 2004 Tom Fenton said:
Yep I agree with TD........ |
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 2521 Posts Member #: 417 Post Whore Swindon |
19th Aug, 2006 at 03:53:49pm
I think wolfie has the pistons +.001" to the deck,1293 with bk450 head gasket
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12307 Posts Member #: 565 Carlos Fandango Burnham-on-Crouch, Essex |
19th Aug, 2006 at 04:06:11pm
well i said allegedly!! Edited by Joe C on 19th Aug, 2006. On 28th Aug, 2011 Kean said:
At the risk of being sigged... Joe, do you have a photo of your tool? http://www.turbominis.co.uk/forums/index.p...9064&lastpost=1 https://joe1977.imgbb.com/ |
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11046 Posts Member #: 965 Post Whore Preston On The Brook |
19th Aug, 2006 at 06:41:17pm
I tell you this, my Nat Asp 1399 has a shed load of overhang and no other offsetting would make it any better. the BK450 gasket chamber is 73.5mm by 73mm. so even on a 73.5mm bore there is tiny amount of overhang. also note that that is an uncompressed gasket, the chamber would get smaller when compressed.
Edited by Sprocket on 19th Aug, 2006. On 26th Oct, 2004 TurboDave16v said:
Is it A-Series only? I think it should be... So when some joey comes on here about how his 16v turbo vauxhall is great compared to ours, he can be given the 'bird'... On 26th Oct, 2004 Tom Fenton said:
Yep I agree with TD........ |
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 8215 Posts Member #: 90 Post Whore Somewhere around Swindon |
19th Aug, 2006 at 10:51:00pm
On 19/08/2006 15:53:49 Dangerous said:
I think wolfie has the pistons +.001" to the deck,1293 with bk450 head gasket yep mine are proud of the deck by .001 ok to 7k Crystal Sound Audio said:
Why wolfie...you should have your name as Fuckfaceshithead ! "A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools."-Douglas Adams |
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 7765 Posts Member #: 74 I pick holes in everything.. Chief ancient post excavator |
21st Aug, 2006 at 08:03:06am
My N/A engine is 0.02mm positive deck... I haven't taken that to 7500rpm yet, but I will :) 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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 5329 Posts Member #: 140 Proven 200+bhp & Avon Park 05,06,07 Class D 3rd place |
21st Aug, 2006 at 06:48:38pm
my 1380 engine had 5 thou clearence without problems. Best 1/4 mile 13.2 seconds @116 mph
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 9812 Posts Member #: 332 Resident Cylinder Head Modifier Mitsi Evo 7, 911, Cossie. & all the chavs ...... won no problem |
22nd Aug, 2006 at 12:55:10am
is not that critical
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