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Boring 4l out to maby 4.5 

 

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 Post subject: Boring 4l out to maby 4.5
Posted: Tue Mar 30, 2010 5:54 pm 
Getting Side Ways
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Age: 27

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Joined: 18th Feb 2010

Ride: Ford EF - Garret TO4Z

Location: Hobart
TAS, Australia

im going to have to get a block rebored and i wonderd maby id get it out to 4.5, any idea's prblems im likley to run in to???

 

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Crank Assembly balanced, HV oil pump, ACL Trimetal bearings, "1 extra oil clearance taking to around 0.0650-0.0700 on mains and big ends, Moly rings,, Xr6 Cam, POD ( Possibly oversize injectors), Block, Head, Timing cover, belt idler, Alternator,painted in ford light blue

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 Post subject: Re: Boring 4l out to maby 4.5
Posted: Tue Mar 30, 2010 6:22 pm 
Getting Side Ways
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Ride: ef fairmont turbo

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viewtopic.php?f=1&t=58347

read

 

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 Post subject: Re: Boring 4l out to maby 4.5
Posted: Tue Mar 30, 2010 6:27 pm 
Getting Side Ways
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TAS, Australia

cheers

 

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Crank Assembly balanced, HV oil pump, ACL Trimetal bearings, "1 extra oil clearance taking to around 0.0650-0.0700 on mains and big ends, Moly rings,, Xr6 Cam, POD ( Possibly oversize injectors), Block, Head, Timing cover, belt idler, Alternator,painted in ford light blue

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 Post subject: Re: Boring 4l out to maby 4.5
Posted: Tue Mar 30, 2010 7:12 pm 
Tyre Shredder
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Ride: el xr6, r33 series 2 skyline

Power: 149 rwkw

Location: adelaide
SA, Australia

making it bigger wont make it faster

 

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 Post subject: Re: Boring 4l out to maby 4.5
Posted: Tue Mar 30, 2010 7:59 pm 
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Ride: ford falcon au3 xr8

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you cant just bore it out to 4.5.. you need to have a different combination of rods and crank to stroke it aswell to get it to 4.5 ltr
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 Post subject: Re: Boring 4l out to maby 4.5
Posted: Wed Mar 31, 2010 3:01 pm 
VIC Cruise Moderator
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how big can you go with off the shelf items with an el block?

 

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 Post subject: Re: Boring 4l out to maby 4.5
Posted: Wed Mar 31, 2010 3:38 pm 
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Ride: ford falcon au3 xr8

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NSW, Australia

i think 60 thou, is about as much as you would want to go without sleeving the block..
correct me if im wrong..

and from memory boring a 4.0l 60 thou takes it approx from 244 ci to 249 ci which i think is 4080 cc..
i did have a formula to work it out but i cant find it...
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