orion crf 21

woza · **Posted:** Sat May 16, 2009 10:50:50

hello guys im fairly new 2 competion spec rc cars and have a little problm im hoping 1 of you could help me with i have a orion crf 21 and i was wondering wot plug 2 use because carnt find the crf plugs anywhere in in the uk n wot othe plus would work best with this engine and what exhust n manifold any help wot be great

Barkley Abernethy · **Posted:** Sat May 16, 2009 21:24:11

if its the us spec one use a os p3 plug and a jp4 the orion pipe is too soft

woza · **Posted:** Sun May 17, 2009 13:48:43

erm how would i no if it is a u.s sepec or normal it doesnt say us on the box so im asuming is a normal 1 would this plug still work with my engine ?

Barkley Abernethy · **Posted:** Sun May 17, 2009 23:11:43

woza · **Posted:** Thu May 21, 2009 20:49:17

Bren Ralls · **Posted:** Fri May 22, 2009 08:05:27

If its us spec its written all around the head of the engine. As for plugs the OS p3 will work well for both std & us spec & is whats recommended.

woza · **Posted:** Sun May 24, 2009 10:22:39

the os p3 plug is the super hot one right i was jus wondering wot exhust and manifold u would recommend with this engine

Bren Ralls · **Posted:** Tue May 26, 2009 08:24:46

woza · **Posted:** Tue May 26, 2009 21:48:49

cheers bren for all the help

180 booker · **Posted:** Wed May 27, 2009 06:04:48

Bren Ralls · **Posted:** Wed May 27, 2009 08:00:37

XRAY - Model racing cars

orion crf 21

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