Nov 27, 2005 · any header that works with an '81-84 22R will work on a 20R as long as the vehicle application is the same(e.g. you want one for a 4x4 truck). '79 toy, 20R/22R hybrid with …

Jan 13, 2005 · 1980 toyota long bed 20r Heddman header, weber carb,2.5 body lift 36 tsl's . MYSTIC BOGGERS

Mar 24, 2004 · The 20r head is a open chamber head like the pre 85 22rs so swaping the head onto a 85and up 22r short block does not boots compresion, unless you have the head shaved …

Aug 12, 2010 · 20R Header is what you will want. LC Engineering is a master at these builds I would call and ask for John, he will set you 100% straight, great guy, great company. LC …

Jan 13, 2004 · From the factory, the 75-80' 20R (78.5 mm bore) has thick cylinder walls, whereas the 81-84' 22R (92 mm bore) has thinner walls. It appeared that Toyota just bored the block …

May 13, 2003 · Using a 20R Head on an 85-95 22RE Block It is possible to run a 20R Head on an 85-95 laser block. In order to keep the cam and crank centerline consistent with an 85-95 …

Apr 7, 2008 · Don't put 22R valves in the 20R head. The geometry doesn't end up correct because the 20R valves are longer by about 1/8". You can make a 20R or hybrid with single …

Dec 27, 2004 · According to engnbldr, compression is almost identical (8.4:1 of the 22R to 9.0:1 of the 20R), the 20R head does allow for better reving and movement of fuel/air through the …

Sep 18, 2006 · Such a kit would include a precut 1/4" or 3/8" thick 20R intake flange, injector bungs and mounting brackets, flexible fuel delivery lines & clips, and 4-into-1 header collector. …

Jul 10, 2005 · the 20R doesn't have the bypass port on the water plate underneath like the 22R, so i took a piece of 5/8" radiator hose, and ran it from the port on the top of the manifold to the …