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Unread 01-01-2012, 02:51 PM   #751
leftlanetruckin
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Quote:
Originally Posted by YJames90 View Post
No,,Good idea, thanks
Go back and check the base timing with the wire unplugged. I set Dave's at zero degrees advance, which is what Alldata called for.
You can then set the base idle again, following the long and drawn out procedure in the Alldata
After that, maybe clean the IAC valve and see if that all helps.

Martin

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1998 XJ on 37's.JK Rubi axles with chromo shafts and ctm's, 4:1 transfer case, etc etc etc.The Cherylkee....
2003 Range Rover HSE, 4.4 Quad Cam.
1998 Range Rover 4.6 HSE
2000 4.7 4WD WJ with a rebuilt motor.
4.3/700r4/new frame buildup (YJ)....
http://www.jeepforum.com/forum/f12/swap-offically-underway-324622/

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Unread 01-01-2012, 02:58 PM   #752
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What notch of the 3 notches do I want to be at for the timing?
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Unread 01-01-2012, 02:59 PM   #753
oldtime_ironman
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X2 What Leftlane said. Chevy's are pretty sensitive to the timing. It doesn't take much tweak to make a big difference how it acts. You normally set the base timing first, then hook it all back up. Then set the idle speed. Right now its "loading" the trans kinda like a drag racer, makes em run hot and like leftlane said things can get melted if it isn't right. After you got the base timing and idle speed, you can set the "fine-tune" stuff.
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Unread 01-01-2012, 02:59 PM   #754
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And I have to look up what one is the IAC and how to clean it. But first its time to walk the dog
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Spring Over is not for you.... yet





My 2.5 to 4.3 swap thread
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Unread 01-01-2012, 03:07 PM   #755
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You are turning the dizzy to the left, I hope? That's what retards the timing.
.
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Unread 01-01-2012, 03:41 PM   #756
leftlanetruckin
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Set it to zero degree's initially James. Then you can grab an extra COUPLE of degree's if you want or need it.
Alldata should have a good picture of the timing marks etc mate.

Martin
__________________
1998 XJ on 37's.JK Rubi axles with chromo shafts and ctm's, 4:1 transfer case, etc etc etc.The Cherylkee....
2003 Range Rover HSE, 4.4 Quad Cam.
1998 Range Rover 4.6 HSE
2000 4.7 4WD WJ with a rebuilt motor.
4.3/700r4/new frame buildup (YJ)....
http://www.jeepforum.com/forum/showthread.php?t=324622

Years to gain the hands on experience, and offer it freely.
Minutes to gain the knowledge from the internet, and quote it just as freely.
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Unread 01-01-2012, 03:50 PM   #757
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Quote:
Originally Posted by oldtime_ironman View Post
You are turning the dizzy to the left, I hope? That's what retards the timing.
.
Spinning it clockwise is slowing the idle
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Spring Over is not for you.... yet





My 2.5 to 4.3 swap thread
http://www.jeepforum.com/forum/f12/4...begun-1237704/
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Unread 01-01-2012, 04:35 PM   #758
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Spinning it clockwise is slowing the idle
Too far advanced then. I would just start from zero and then do as leftlane says (I don't have the alldata for this particular one).
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Unread 01-01-2012, 04:42 PM   #759
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Too far advanced then. I would just start from zero and then do as leftlane says (I don't have the alldata for this particular one).
.
So its too far to the left?? I dont know how to fix it. Will read up on it tomorrow
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Spring Over is not for you.... yet





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Unread 01-01-2012, 05:04 PM   #760
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So its too far to the left?? I dont know how to fix it. Will read up on it tomorrow
Turn it to the right (clockwise) to slow it.
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Unread 01-01-2012, 05:40 PM   #761
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Originally Posted by oldtime_ironman View Post
Turn it to the right (clockwise) to slow it.
.
Thats what Im doing but its as far as it can go without hitting
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Spring Over is not for you.... yet





My 2.5 to 4.3 swap thread
http://www.jeepforum.com/forum/f12/4...begun-1237704/
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Unread 01-01-2012, 06:05 PM   #762
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why does my idle raise up when I tighten the hold down bolt?
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Spring Over is not for you.... yet





My 2.5 to 4.3 swap thread
http://www.jeepforum.com/forum/f12/4...begun-1237704/
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Unread 01-01-2012, 06:14 PM   #763
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why does my idle raise up when I tighten the hold down bolt?
The hold down bolt usually bumps things a degree or two because the dizzy gears are spiral kinda like a diff. I used to just *barely* crack the bolt loose so that it needs both hands to turn the dizzy - tended to be more accurate that way.
.
.
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Unread 01-01-2012, 06:23 PM   #764
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For something being so simple it sure is confusng
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Quote:
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Spring Over is not for you.... yet





My 2.5 to 4.3 swap thread
http://www.jeepforum.com/forum/f12/4...begun-1237704/
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Unread 01-01-2012, 06:26 PM   #765
leftlanetruckin
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Quote:
Originally Posted by oldtime_ironman View Post
The hold down bolt usually bumps things a degree or two because the dizzy gears are spiral kinda like a diff. I used to just *barely* crack the bolt loose so that it needs both hands to turn the dizzy - tended to be more accurate that way.
.
.
This.


Quote:
Originally Posted by YJames90 View Post
For something being so simple it sure is confusng
It is simple James, Just have yo get it in the sweet spot mate
At least we dont have to worry about tone rings etc with these motors!

Martin
__________________
1998 XJ on 37's.JK Rubi axles with chromo shafts and ctm's, 4:1 transfer case, etc etc etc.The Cherylkee....
2003 Range Rover HSE, 4.4 Quad Cam.
1998 Range Rover 4.6 HSE
2000 4.7 4WD WJ with a rebuilt motor.
4.3/700r4/new frame buildup (YJ)....
http://www.jeepforum.com/forum/showthread.php?t=324622

Years to gain the hands on experience, and offer it freely.
Minutes to gain the knowledge from the internet, and quote it just as freely.
Choose wisely!
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