Could someone please tell me what model mini the engine conrods changed from press fit gudgeon pin to floating gudgeon pin with retaining clips or is stripping the engine the only way.

as far as I know all small bore pistons are floating with circlips... big bore are press fit

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did I tell you that I won a trophy?

Floating ones were original. I have heard some 998 press fit rods were used here but have never seen one.
However, 998 A+ motors in UK are press fit.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

I the years I played with minis I only ever came across one 998 engine that had press fit Gudgeon pins. that was in a Deluxe.
From Memory the rods were the same minus the bush.

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DID I MENTION THAT I AM THE BEST SUPPLIER FOR MINI ELECTRICAL PARTS AND REPAIRS?
"Let us remove your "SHORTS"

1988 was the change over point apparently

http://www.somerfordmini.co.uk/eshop/in ... age&id=112

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These press fit rods were Australian manufactured and only used for a couple of years.

About 1968.

Repco made the pistons and rings which are now obsolete.

The little end size is a couple of thou bigger than the normal 998/1100 conrods when the bush is removed.

Most people use the normal rods when doing an engine rebuild that requires pistons.

I have a set of GR 80 thou flat tops . About a 16 mm pin.
The rods I pulled out of the deluxe 998 are 20mm . There is no circlip present , they look press fit.
Question : am I dealing with an odd set of rods ?
Machinist has stalled so I need to organise this asap.
All help appreciated


Sent from my iPhone using Tapatalk

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Simonw
Brisbane QLD
1st car - 1964 Mini Panelvan 850
Previous - 1978 Leyland LS 1275 Gold
- 1969 Mini K

Q: Am I dealing with an odd set of rods?
Looks like it. Get a set of the standard bushed 998/1098 rods. I have 4 here in Sydney but Matt Read in Brisbane would have a pile. PM 'theminiman' on here.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

If you are doing a proper rebuild you will be fitting new bushes in the rods anyway, so if you are going to use the pistons with smaller pin that need a small end bush why not just fit bushes in the rods you have and and have them machined and aligned to suit the pins of the pistons you are using.

_________________
DID I MENTION THAT I AM THE BEST SUPPLIER FOR MINI ELECTRICAL PARTS AND REPAIRS?
"Let us remove your "SHORTS"