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Forum namePerformance/Engine
Topic subjectputting engine back together
Topic URLhttps://forums.2gnt.com/dcboard.php?az=show_topic&forum=i5&topic_id=64090
64090, putting engine back together
Posted by xtrickedeclipsex, Dec-02-03 06:48 PM
ok , so i got my bottom end rebuilt, and the head rebuilt and ported....so me and a friend are putting it back together...i had some questions

first off, we put in stage one crower cams, the valves seemed a little open , the local car shop said its normal cuz of the hydrolic lifters....
any info???

on torque specifications
i got the book and i duno it seems to be a little weird how do i have to get every torque right? or if i dont go one half a turn is everything fucked?

on the cam shaft bearing bolt we did 10 ft-lbs(on the inside)
the outside cam shaft bearing bolts we did 21

on the head bolts we did
long bolt 25 ft-lbs- then to 50 then to 50 again - then one more 1/4 turn ft lbs
short bolts we did 20 three times then 1/4 turn

does this sound right??

is there any specs on putten the engine back together i have the book but i want another source...

any info is great




64091, RE: putting engine back together
Posted by WickedESi, Dec-02-03 07:04 PM
Originally posted by xtrickedeclipsex
ok , so i got my bottom end rebuilt, and the head rebuilt and ported....so me and a friend are putting it back together...i had some questions first off, we put in stage one crower cams, the valves seemed a little open , the local car shop said its normal cuz of the hydrolic lifters.... any info???
Open after the springs, retainers, and locks are put into place???

on torque specifications i got the book and i duno it seems to be a little weird how do i have to get every torque right? or if i dont go one half a turn is everything fucked?
You can generally use your judgement about which parts will be sensitive to torque (such as bearing caps), if your not sure use the torque spec!

on the cam shaft bearing bolt we did 10 ft-lbs(on the inside) the outside cam shaft bearing bolts we did 21
your good their, that's close enough to spec

on the head bolts we did long bolt 25 ft-lbs- then to 50 then to 50 again - then one more 1/4 turn ft lbs short bolts we did 20 three times then 1/4 turn does this sound right??
I hope you tightend them in the correct order, is this a mls or composite headgasket?
64093, RE: putting engine back together
Posted by xtrickedeclipsex, Dec-02-03 08:03 PM
1. yea everything was bolted in and after it sat over night, they closed up a little

2. thats what i thought ok...

3ok coool. thanks


its a composite gasket, and i gave the wrong thing we uesaed its this...
1. 22 lbft
2. 51lbft
3. -90 +51lbft
4. 90 degrees

does that sound right? shit it was hard to torque it...


thanks
64094, RE: putting engine back together
Posted by WickedESi, Dec-02-03 09:16 PM
i'm not sure what you mean by the -90* to 51 lbs, i hope that doesn't mean what i think it means.

for the composite it's suppose to be:

(in lbs.)
- inner 24, outter 20
- inner 46, outter 20
- inner 46, outter 20
- then use a breaker bar and 1/4 all

And this all must be done in the correct order of the bolts.

Why arn't you using an MLS headgasket?
64118, RE: putting engine back together
Posted by thedawg, Dec-03-03 07:57 AM
The 420a Engine Overhaul manual hosted on Dino's site is WAYYY better than the Chiltons when it comes to reassembling the engine.

Get it and print it out.

http://www.heavenz-not-0verflowing.com/files/2gnt_420a_overhaul.pdf