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3-window highboy Deuce coupé with a traditional chop—dropped front axle, sidepipes, bugcatcher scoop (with Mooneyes cover) over dual quads on a tunnel ram—as well as less-traditional shaved door handles and disc brakes A 1923 Ford T-bucket in the traditional style with lake headers, dog dish hubcaps, dropped "I" beam axle, narrow rubber, and single 4-barrel, but non-traditional disc ...
The "Street Hemi" was similar to the race Hemi but with dual inline four-barrel Carter AFB carburetors [clarification needed] (with automatic choke), lower compression (10.25:1 from 12.5:1) and lower-lift camshaft, with iron exhaust manifolds instead of lighter steel long tube headers. [citation needed] The "Street Hemi" version was rated at ...
A hemispherical head ("hemi-head") gives an efficient combustion chamber with minimal heat loss to the head, and allows for two large valves.However, a hemi-head usually allows no more than two valves per cylinder due to the difficulty in arranging the valve gear for four valves at diverging angles, and these large valves are necessarily heavier than those in a multi-valve engine of similar ...
The Hemi-6 is a pushrod O.H.V. (overhead valve engine), with combustion chambers comprising about 35% of the top of the globe. This creates what is known as a low hemispherical shaped chamber. In this way, the "Hemi" moniker was used for the same kind of marketing cachet as Chrysler's 1950s-1970s Hemi V8 engines.
Headers that do not have collectors are called zoomie headers. The most common types of aftermarket headers are made of mild steel or stainless steel tubing for the primary tubes along with flat flanges and possibly a larger diameter collector made of a similar material as the primaries.
Tuned exhaust#Zoomie header To a section : This is a redirect from a topic that does not have its own page to a section of a page on the subject. For redirects to embedded anchors on a page, use {{ R to anchor }} instead .
Long tube headers (in white) on a racing car ... "Zoomie" headers on a dragster. 4-2-1 exhausts. A 4-2-1 exhaust system is a type of exhaust manifold for an engine ...
Thorley founded his header company in 1958. [16] Among Thorley's better-known customers were Carol Cox (through her husband, who Thorley was friends with). [17] Thorley headers would go on to be a favorite among drag racers. [18] Thorley Headers is a leading producer of headers and exhaust systems, [19] favored by many rodders and racers. [20]