Overbore cartridges are those with a relatively large case volume or case capacity, coupled with a relatively small diameter bullet. The case volume or...
4 KB (298 words) - 20:45, 7 November 2023
tight 18 mm (0.71 in) to an extreme overbore of 20 mm (0.79 in). Some also claim an increased velocity with the overbored barrels, up to 15 m/s (49 ft/s)...
14 KB (1,631 words) - 14:20, 22 July 2025
NHRA and AHRA drag racing. Its large casting allowed the engine to be overbored and stroked to displacements unattainable in the other engines of the...
50 KB (6,522 words) - 11:03, 18 July 2025
bullet weight. However, the .30-378 Weatherby Magnum is considered the most overbore production sporting cartridge available and is not considered as efficient...
13 KB (1,137 words) - 08:27, 12 April 2025
engine redlines at 10,900 rpm.[citation needed] The engine utilizes an overbore design with two bigger valves. It also has a bigger Keihin carburetor with...
2 KB (184 words) - 10:45, 11 May 2025
the 835's overbored barrel. The non-overbored barrel of the 535 does, however, allow the use of slugs, which cannot be used in the overbored barrel of...
46 KB (4,901 words) - 22:08, 18 June 2025
2021. Mike Ramienta. ".25-06 Remington vs. .243 Winchester: The Better Overbore". Gun News daily, August 17, 2020. Accessed March 6, 2021. Cartridges of...
18 KB (1,894 words) - 17:21, 19 July 2025
× stroke. The first 283 motors used the stock 265 blocks. However, the overbore resulted in thin cylinder walls, causing future 283 blocks to be cast to...
99 KB (13,511 words) - 14:58, 20 July 2025
and exhaust ports of the 2.8 only respond well to forced induction or an overbore; normal tuning will yield only minor power results. The MFI 2.8 Cologne...
19 KB (2,494 words) - 02:10, 5 June 2025
benefit as implemented. Also, the non-powervalve cylinders will accept an overbore to 107cc which with some port work can give very good low-mid power. The...
4 KB (517 words) - 02:39, 29 June 2025
called "overbore", when the as-built diameter exceeds the nominal actual diameter of 18.5 mm (0.73 in). The advantages touted for "overbore" are a perceived...
24 KB (3,025 words) - 01:35, 10 March 2025
measured at the muzzle. Casual observers might conclude that the cartridge is overbore, but the ballistics tables tell a different story. Between 1000 and 2000...
4 KB (432 words) - 18:31, 4 November 2024
heavier bullets, which require slower burning powders due to the extreme overbore nature of the cartridge.[citation needed] SAAMI compliant .30-378 Weatherby...
10 KB (1,121 words) - 22:52, 31 March 2025
Mike (2020-08-18). ".25-06 Remington vs. .243 Winchester: The Better Overbore -". Gun News Daily. Retrieved 2020-09-01. "Firearm barrel having cartridge...
9 KB (913 words) - 10:13, 14 March 2025
percentages. This means cartridges with a small bore area to case volume ratio (overbore cartridges) combined with a high operating pressure benefit more from recoil...
25 KB (2,847 words) - 06:45, 14 July 2025
maximum allowable overbore of 0.045” per cylinder. Liquid cooled racing-only engines may not exceed 750cc. There is no provision for overbore. The AFT Singles...
34 KB (3,035 words) - 02:19, 10 August 2024
praise and criticism. Traditionalists have roundly condemned it as an overbore "barrel burner" which can wear out a chromoly barrel in as few as 200–300...
12 KB (1,419 words) - 00:39, 19 July 2025
the 6G7 Di-D quad-turbo diesel and a 4.0L V6 petrol, both based on an overbored and stroked 6G75 MIVEC. In 2017, Cristina Gutiérrez debuted her international...
79 KB (8,509 words) - 23:00, 23 July 2025
adoption of breech-loading weapons, as it was not practical to push an overbore bullet down through a rifled barrel. The dirt and grime from prior shots...
50 KB (5,889 words) - 14:44, 14 July 2025
hastens throat erosion. Throat erosion is greater in higher chamber pressure overbore cartridges. This was particularly true in the 1950s to early 1960s, with...
11 KB (1,428 words) - 19:48, 28 December 2024
200 metres per second (4,000 ft/s), however the cartridge is considered overbore and can be expected to have a relatively short barrel life. The inherent...
3 KB (226 words) - 13:06, 11 January 2025
Skyline GT-R. Some cars from the first editions series are the Backdraft, Overbored 454, and Super Tsunami. In 2003, Hot Wheels celebrated its 35th anniversary...
88 KB (11,121 words) - 19:17, 15 July 2025
visited immediately after this victory in the Parliament of England, he overbore all opposition to the king's demands for money. Another address for his...
18 KB (1,648 words) - 23:02, 7 July 2025
block – a 4.5 uses the stock AMC 258 connecting rods (with stock or .020 overbore using aftermarket pistons). In contrast, the 4.6, 4.7, and 5.0 strokers...
44 KB (5,645 words) - 18:15, 27 April 2025
by single-cylinder engines, some with ageing designs. Some TD1s were overbored to 251cc, thus being eligible for the 350cc class Building on the TD1...
5 KB (501 words) - 00:53, 21 December 2024
method of increasing engine displacement, usually in combination with overboring. One of the most important innovations in the Ford flathead V8 was the...
32 KB (4,587 words) - 18:05, 14 June 2025
Six 1 mm (0.0 in) Overbore, mounted 8.5" further back than standard Jaguar E Type Radiator 3750 cc Straight Six 1 mm (0.0 in) Overbore, mounted 8.5" further...
19 KB (2,253 words) - 04:54, 24 March 2024
bore – borne/born forbear – forbore/forbare – forborne/forborn overbear – overbore/overbare – overborne/overborn underbear – underbore/underbare – underborne/underborn...
61 KB (1,125 words) - 15:40, 18 April 2025
Cherry X-1. An overbored version of the A12 was used in period race cars, including Nissan factory (works) racing Sunnys. Many were overbored from the original...
14 KB (1,793 words) - 23:48, 10 April 2025
to the large case capacity in relation to the bore diameter (known as overbore) the .300 Lapua Magnum is harsh on barrels and typically wears them out...
8 KB (825 words) - 15:39, 1 December 2024