- 1. Cylinder Bore (score: 1)
- Author: PG <britishcars@shaw.ca>
- Date: Wed, 08 Nov 2006 21:05:13 -0800
- I reviewed the archives for this question but could not find a definitive Does anybody know the maximum over-bore that a 2.9 litre Healey engine can take. A thread in the archives alluded to +60 thou
- /html/healeys/2006-11/msg00203.html (7,290 bytes)
- 2. Re: Cylinder Bore (score: 1)
- Author: Bob Spidell <bspidell@comcast.net>
- Date: Wed, 08 Nov 2006 21:17:10 -0800
- I asked this question a while back and several very knowlegeable Listers wrote they were running 0.060" overbore with no detrimental consequences. I believe this gives very close to an even 3 liters
- /html/healeys/2006-11/msg00205.html (7,884 bytes)
- 3. Re: Cylinder Bore (score: 1)
- Author: Richard Hosmer <rahosmer@citlink.net>
- Date: Wed, 08 Nov 2006 21:28:58 -0800
- The shop manual lists .040" overbore. IIRC, that and grinding the rod journals the allowed .040" undersize, but off-center, so as to SLIGHTLY increase the stroke, yields a new displacement of 2993cc
- /html/healeys/2006-11/msg00206.html (7,315 bytes)
- 4. Re: Cylinder Bore (score: 1)
- Author: "Peter Hunt" <peter@easterton.com>
- Date: Thu, 9 Nov 2006 08:03:27 -0000
- The workshop manual for the 29D, 29E, 29F & 29K engines indicate a maximum 4th oversize piston of 0.040" (1.016 mm). Based on a standard bore of 83.34 mm and a stroke of 88.90 mm, the plus 1.016 mm o
- /html/healeys/2006-11/msg00209.html (8,021 bytes)
- 5. Re: Cylinder Bore (score: 1)
- Author: "Chris Dimmock" <cd3000@bigpond.net.au>
- Date: Fri, 10 Nov 2006 03:14:57 +1100
- Hi Paul, BMC A & C series engines can take quite a large overbore. I'm running the 85mm Denis Welch Cosworth forged pistons - its fractionally over a 60 thou overbore (.064 I think?) - just over 3 li
- /html/healeys/2006-11/msg00223.html (9,230 bytes)
- 6. FW: Cylinder Bore (score: 1)
- Author: PG <britishcars@shaw.ca>
- Date: Thu, 09 Nov 2006 20:22:38 -0800
- To follow up on my previous email, here an email I received today from a fellow in Arizona that I have been working with to benchflow and design the engine. Again, I thought it might be interesting t
- /html/healeys/2006-11/msg00256.html (8,110 bytes)
- 7. Cylinder bore (score: 1)
- Author: "Allyn Richardson" <allynrichardson@cox.net>
- Date: Sat, 11 Nov 2006 07:01:53 -0800
- Not knowing the type of engine, what displacement would a .204 thousandths over bore put it at? Cooling may become an issue though. Allyn
- /html/healeys/2006-11/msg00300.html (7,135 bytes)
- 8. Re: Cylinder bore (score: 1)
- Author: Bob Spidell <bspidell@comcast.net>
- Date: Sat, 11 Nov 2006 07:29:49 -0800
- And ... is an overbore of this magnitude done with or without the sleeves? bs
- /html/healeys/2006-11/msg00301.html (7,207 bytes)
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