What is going on with my rebuilt engine?
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You don't need upgraded main bearing caps unless your block is earlier production with the rounded type caps (120E, 2731E, 681F). These days the cap mounting face on the block is typically ground down very slightly prior to line boring with the cap in place in order to avoid the need to fit bearings with oversize OD. This moves the crank centreline a couple of thou toward the cylinder head deck surface.
1970 Ford Escort Twin Cam
1972 Ford Escort GT1600 Twin Cam
1980 Ford Escort 2.0 Ghia
Peugeot 505 GTI Wagons (5spdx1) (Autox1)
2022 Ford Fiesta ST.
1972 Ford Escort GT1600 Twin Cam
1980 Ford Escort 2.0 Ghia
Peugeot 505 GTI Wagons (5spdx1) (Autox1)
2022 Ford Fiesta ST.
- 2cams70
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2cams70 wrote:You don't need upgraded main bearing caps unless your block is earlier production with the rounded type caps (120E, 2731E, 681F). These days the cap mounting face on the block is typically ground down very slightly prior to line boring with the cap in place in order to avoid the need to fit bearings with oversize OD. This moves the crank centreline a couple of thou toward the cylinder head deck surface.
Yes, the block is a 120E with the rounded caps. Good to know about the line boring, thanks.
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Life is like a sewer, what you get out of it depends on what you put into it.
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Life is like a sewer, what you get out of it depends on what you put into it.
"I'm never gonna financially recover from this"
- benymazz
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18 posts
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