MGB Engine Clinic

Forum for Engines Only ...
Modifications, Repair help, General engine discussions.
Subject Replies Views Last Post

Max rpm

Last Post 10 years 5 months ago
by lohring
10 Replies 11.9k Views
Last Post by lohring 10 years 5 months ago

increasing RPM by lowering trasnfer port

Last Post 10 years 5 months ago
by earthsurfer
10 Replies 12.1k Views
Last Post by earthsurfer 10 years 5 months ago

How to fix a stripped internal thread (Heli-Coil)

Last Post 10 years 5 months ago
by earthsurfer
14 Replies 4054 Views
Last Post by earthsurfer 10 years 5 months ago

warehouse hobbies 46" vee loosing power after 5 laps

Last Post 10 years 5 months ago
by tootalltechie
29 Replies 5554 Views
Last Post by tootalltechie 10 years 5 months ago

Where to start?

Last Post 10 years 6 months ago
by mephiskapheles6
7 Replies 1959 Views
Last Post by mephiskapheles6 10 years 6 months ago

Zenoah g230 Or zenoah g260pum

Last Post 10 years 6 months ago
by danielplace1962
9 Replies 2756 Views
Last Post by danielplace1962 10 years 6 months ago

Can it overheat while tuning the carb whithout watercooling?

Last Post 10 years 6 months ago
by Todd
2 Replies 1529 Views
Last Post by Todd 10 years 6 months ago

What is this motor?

Last Post 10 years 6 months ago
by tootalltechie
8 Replies 3370 Views
Last Post by tootalltechie 10 years 6 months ago

Crankshaft Shim

Last Post 10 years 7 months ago
by tootalltechie
28 Replies 9802 Views
Last Post by tootalltechie 10 years 7 months ago

intake port timing and time area

Last Post 10 years 7 months ago
by Hugh
8 Replies 7586 Views
Last Post by Hugh 10 years 7 months ago

Evidence Of Excessive Heat

Last Post 10 years 7 months ago
by strictlybusiness1
4 Replies 1938 Views
Last Post by strictlybusiness1 10 years 7 months ago

piston pin spacer's help

Last Post 10 years 7 months ago
by whitefish
10 Replies 8319 Views
Last Post by whitefish 10 years 7 months ago

Rear Crankshaft Seal "Death Grip"

Last Post 10 years 7 months ago
by strictlybusiness1
8 Replies 2087 Views
Last Post by strictlybusiness1 10 years 7 months ago

30.5cc top end kit.

Last Post 10 years 8 months ago
by earthsurfer
3 Replies 3382 Views
Last Post by earthsurfer 10 years 8 months ago

QD performance zenoah

Last Post 10 years 8 months ago
by earthsurfer
3 Replies 2144 Views
Last Post by earthsurfer 10 years 8 months ago

Adaption kit for Italian CMB 27cc disc rotor engine now on sale

Last Post 10 years 8 months ago
by MATHO
0 Replies 4219 Views
Last Post by MATHO 10 years 8 months ago

Silent engines? NO more TS PUM reed cases will be made.

Last Post 10 years 8 months ago
by Scott
22 Replies 11.6k Views
Last Post by Scott 10 years 8 months ago

ESP 30.5cc sets new 1/4 oval timed record. But that is not saying much at this point.

Last Post 10 years 8 months ago
by unclecrash
11 Replies 9944 Views
Last Post by unclecrash 10 years 8 months ago

Big bore Carbu

Last Post 10 years 8 months ago
by dodol
0 Replies 1688 Views
Last Post by dodol 10 years 8 months ago

Does anyone use this crankcase?

Last Post 10 years 8 months ago
by dodol
2 Replies 1466 Views
Last Post by dodol 10 years 8 months ago

ZippKits Makes It Clear - Saber Pro

Last Post 10 years 8 months ago
by whitefish
0 Replies 1737 Views
Last Post by whitefish 10 years 8 months ago

Perceived compression

Last Post 10 years 8 months ago
by seanx450
7 Replies 1844 Views
Last Post by seanx450 10 years 8 months ago

Engine pics, after running about 2 gallons. Bad oil.

Last Post 10 years 8 months ago
by earthsurfer
3 Replies 2433 Views
Last Post by earthsurfer 10 years 8 months ago

Exhaust port cut too much

Last Post 10 years 8 months ago
by dodol
3 Replies 3871 Views
Last Post by dodol 10 years 8 months ago

CY Ups The Ante

Last Post 10 years 8 months ago
by woody
8 Replies 2791 Views
Last Post by woody 10 years 8 months ago

Exhaust port

Last Post 10 years 10 months ago
by davidpaul
0 Replies 2137 Views
Last Post by davidpaul 10 years 10 months ago

Squish and Exhaust, intake, transfer timing

Last Post 10 years 10 months ago
by woody
6 Replies 2825 Views
Last Post by woody 10 years 10 months ago

Zenoah 30cc

Last Post 10 years 10 months ago
by dodol
0 Replies 2370 Views
Last Post by dodol 10 years 10 months ago

HOMELITE ST-175 Cooling

Last Post 10 years 11 months ago
by ridgerunner
3 Replies 5256 Views
Last Post by ridgerunner 10 years 11 months ago

Piston boost ports

Last Post 10 years 11 months ago
by earthsurfer
2 Replies 5835 Views
Last Post by earthsurfer 10 years 11 months ago
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