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#1
29-01-14, 22:30
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Ben are you running a centre main strap ? Can you post up your engine spec and some pics ?
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is mos redintegro __5th Div___46th Div__ 1942 Ford Universal Carrier No.3 MkI* Lower Hull No. 10131 War Department CT54508 (SOLD) 1944 Ford Universal Carrier MkII* (under restoration). 1944 Morris C8 radio body (under restoration). 
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#3
30-01-14, 00:27
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Do you need a crank Richie ?
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Shaun Hindle Morris C8 Ford GPW jeep 1945 Morris 1000 (ex mil) SAS LSV Harley Davidson MT 350 motor cycle Universal carrier MK 1*1943 Ronson (under restoration) Universal carrier MK 2* 1944 (Puddle Jumper HSK 345) Ferret MK 1/1 1956 Ferret MK 2/4 1958 CVR(T) Scorpion 432 MK2 Daimler MK1 armoured car 1943 (winner best wheeled armour W&P show 2011) Daimler Dingo MK2 1944 (awaiting restoration, aquired 11/12/2011) Fordson WOT 3 D 1940 (awaiting restoration )
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#4
30-01-14, 09:07
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Shaun, the machine shop is going to contact me today and give me my options...he needs to measure everything thoroughly before he commits to pass sentence.
Option A) buy greater undersized bearings bearings and grind the hell out of the crank which means I am stuck with bearings I cannot use and need to sell on. Option B) buy another crank and grind to the bearing size I need...... I am guessing these will be my options. My crank is an early type without the flanges on the big ends. Royal kustoms have plenty in stock, but my experience with buying cranks even second hand......not cheap. If I go route B I will get RK to grind a crank I buy from them to suit the bearings I have.
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is mos redintegro __5th Div___46th Div__ 1942 Ford Universal Carrier No.3 MkI* Lower Hull No. 10131 War Department CT54508 (SOLD) 1944 Ford Universal Carrier MkII* (under restoration). 1944 Morris C8 radio body (under restoration).
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#6
30-01-14, 11:53
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Rich, why do you ask about a center strap?
What makes you think it is necessary to have one in a carrier motor?
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Bluebell Carrier Armoured O.P. No1 Mk3 W. T84991 Carrier Bren No2.Mk.I. NewZealand Railways. NZR.6. Dodge WC55. 37mm Gun Motor Carriage M6 Jeep Mb #135668 So many questions....
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#7
30-01-14, 13:18
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Because from building other engines..... My experience with engines designed with three mains are a crap design, especially on a long crank such as the V8, if you rev the engine, which in a carrier (rightly or wrongly) people do, the crank will flex..... When it flexes it blows out main bearings and rod bearings.... Also it creates a failure point on the centre main journal and you get situations where the crank snaps inline with the centre main.
For what a centre strap costs, I am pondering with the question if it's worth doing ? belt and braces and all that. I was just curious to see if Ben had it done to his (being built by a pro)
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is mos redintegro __5th Div___46th Div__ 1942 Ford Universal Carrier No.3 MkI* Lower Hull No. 10131 War Department CT54508 (SOLD) 1944 Ford Universal Carrier MkII* (under restoration). 1944 Morris C8 radio body (under restoration).
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