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Old 12-04-2008, 10:18 PM   #1
94 GT
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Location: Whitby ont Canada
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Default are the specs for ej engines the same??

I was just wondering if the specs for all ej type engines were the same for stuff like piston #ing, TDC, BDC, is it the mark you have to line up with the crank sensor . I know that the bores and strokes have to change for displacement!! how much doe's the comp ratio change between like G's k's 22t's and 205's 257's etc. I am having a bigggg prob setting the timing on a early 20G. keep pulling the left cam's out when trying different method's ofpulling the belt over the last idler (over the oil filter) can some one tell me of some kinda cam holding tool or some kinda trick!!!

thanx Jesse
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Old 12-04-2008, 10:27 PM   #2
Jaxx
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put the smooth idler on the bottom on last
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Old 12-05-2008, 01:27 AM   #3
Arctic Assassian
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and use large office clips to hold the belt onto the cam sprockets... The alligator type, that are black with the wire handles.
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Old 12-05-2008, 09:20 AM   #4
Matt Monson
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Quote:
Originally Posted by Arctic Assassian View Post
and use large office clips to hold the belt onto the cam sprockets... The alligator type, that are black with the wire handles.

Ding ding ding. Me too. :D
94GT,
Post pictures. Based on your PM to me, I think you may have a problem with your parts.
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Old 12-05-2008, 08:53 PM   #5
94 GT
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yeah I did!! the tensioner pulley was the one off the EJ22 I thought it was the one off the 20g but it wase'nt!! I looked in the trunk o parts and realized that the one back ther was the 20's so I put that one on then loosened all the Idlers (so they were floppy) and left the bottom (smooth) one on but all loose put the origanal tensioner pulley . took two tries but now it is as close as it gets the left bank cams are .5 teeth off the two hash marks are lined up within the double hash allowence!! hope thats good enough? now just hooken all the stuff and wating foe a intercooler and a coolant resivour!!!
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Old 12-08-2008, 03:59 PM   #6
thad
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If its being difficult, I use a pair of vice grips wrapped in a shop towel to hold the belt to the left bank intake gear. I just lock it on gently far enough to the side so I can just see the timing mark.

I've also noticed some slight inaccuracies in the marks on the gears for the 20G.
I put a ver. 2 sti 20g together awhile back and was having allot of trouble getting the two double hash marks to line up on the left side, then the other day, i took a look at another EJ20G (non sti) with the original timing belt on it, and it had a similar issue, all marks line up but the two double lines on the left side. go figure.
as far as the tensioner and pulley, they appear to be identical to the early ej sohc parts.
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Old 12-08-2008, 10:05 PM   #7
94 GT
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yeah I got it good I think as I am driving it now!!! I loosened all the pulleys including the grippy one!! used the 20g's tensioner pulley tried twice and the left cams are not perfectly straight with one another like the right ones but are sooo close that the left mark on the top one(INTAKE) matches with the right mark on the bottom one(EXH) it runs pretty good considering the gettod intake to replace the TMIC that I have'nt got yet!! thank you for your help!! I think that most OHC (with two cams or more) engines have those double marks for that little play that is allowed to keep in most proper time, both toyota engines and a honda had simalar marks the toyotas were the same exactily. gotta rember this bout belts that they have give and flex when changing RPM,s and temp all that stuff right!! thanx again Jesse.
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