Alpine Lizard Build Project - Page 12 - JeepForum.com

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post #166 of 4511 Old 08-01-2012, 04:58 PM Thread Starter
Dadamsnv
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Quote:
Originally Posted by 8pitcher View Post
That sucks man. Boss understanding?
Oh yeah, no big deal


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post #167 of 4511 Old 08-01-2012, 05:09 PM
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Quote:
Originally Posted by Dadamsnv

Oh yeah, no big deal
That's good he must be a guy with a classic car.

Built Not Bought #640

1976ish cj5 304 t18 d20 2.5" lift

some year YJ custom frame HP D60 14 bolt 4 linked front rear FI 350 700r4 NP231c

2009 JK 4 door 2.5" lift 35" tires custom bumpers mile marker 9500# winch
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post #168 of 4511 Old 08-01-2012, 11:27 PM Thread Starter
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So I pulled the new 79 main jets and compared them to my old 80 main jets, and sure enough, the 79s are way way bigger. I was blowing raw fuel (I know, terrible) out of the pipe and I got about 3 miles per gallon.

Actually, it's a miracle I made it the 20 miles rounds trip back to the house. I got to wondering how the jets could be so different, the I took a real close look at the 80s, and it turn out they are 60s. Duh! Now I feel old.

I put the "60s" back in, along with some new NGK Vs, and I returned the timing to 8*-9*. We (the GF and the GFs brother and I) took her to olive garden, and then for a quick jaunt into the hills. She (GF) gets all scardy pants when I take her wheelin, an I only needed 4x4 in one spot, and I'm always going slow in first. She has no idea what she's up for heh...heh...heh

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post #169 of 4511 Old 08-01-2012, 11:31 PM Thread Starter
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There is still a bunch of tuning that will happen over the next week. Then it's all about leak fixing, and alignment, and brakes, and smoothness

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post #170 of 4511 Old 08-02-2012, 12:14 AM
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You found the problem. That's good

Built Not Bought #640

1976ish cj5 304 t18 d20 2.5" lift

some year YJ custom frame HP D60 14 bolt 4 linked front rear FI 350 700r4 NP231c

2009 JK 4 door 2.5" lift 35" tires custom bumpers mile marker 9500# winch
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post #171 of 4511 Old 08-03-2012, 01:08 AM Thread Starter
Dadamsnv
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Quote:
Originally Posted by 8pitcher
You found the problem. That's good
Right!? I thought so

It's nice to be right about something at least once in a while.

Tonight, I put my timing tape on my harmonic balancer, and I ran a timing curve from 800 to 2600 RPM (with vac advance plugged of course). I had the GF verify RPM from the cab while I turned the idle adjust screw in to get the various RPMs.

I wonder if it's common for the timing marks on the timing cover to be off by 3 or 4 degrees. I set the timing to 8 tonight before the timing tape, and when I checked it against the timing tape, I was closer to 12 :/

I swear I got the diameter of the balancer right, and used the appropriate tape. And lined it up with the 0* mark.

Either way, it's at 8 according to the tape, and it goes to a little over 24 at 2600 RPM. The curve also kicks in kind of late, I'll lighten up a dist spring or two tomorrow.

I also slammed a set of 59 main jets in the bowl (60 previous), and that made a ton of difference, but I know it needs more. I've been tuning motorcycle arbs for a while, so I can usually dial in any kind of rich/lean mix or jetting by feel. I haven't dealt with timing before, so all that is new.

BTW, the chart should say timing* instead of "in Hg." It was late
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post #172 of 4511 Old 08-03-2012, 01:12 AM Thread Starter
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Hey skerr, and anyone else who cares, I put up a thread called searching for the golden tune or something like that, I will go into good detail everything that I do to tune the jeep. I will only summarize here.

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post #173 of 4511 Old 08-03-2012, 05:47 AM
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Quote:
Originally Posted by Dadamsnv
Hey skerr, and anyone else who cares, I put up a thread called searching for the golden tune or something like that, I will go into good detail everything that I do to tune the jeep. I will only summarize here.
I will make sure to look at that as I have never done timing or really anything with automotive engines. Only dealt with motorcycle engines too I will prolly have some similar problems since I have my engine all apart.

Built Not Bought #640

1976ish cj5 304 t18 d20 2.5" lift

some year YJ custom frame HP D60 14 bolt 4 linked front rear FI 350 700r4 NP231c

2009 JK 4 door 2.5" lift 35" tires custom bumpers mile marker 9500# winch
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post #174 of 4511 Old 08-07-2012, 11:54 AM Thread Starter
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So I've been doing a bunch of tuning and timing work lately, but I've been putting it all in this thread...

http://www.jeepforum.com/forum/f8/se...uning-1400753/

eventually I will drop this into my sig

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post #175 of 4511 Old 08-08-2012, 12:03 AM Thread Starter
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I had to take a break from my tuning thread to repair a leak from my timing cover. Also, I will be replacing my radiator, shroud, cap, bypass hose, and rad hoses.

I may also do my water pump while I'm in there. I'm not sure if I should do the timing set, I doubt that motor has 20k more miles on it, but judgment tells me to do it anyway.

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post #176 of 4511 Old 08-08-2012, 12:06 AM
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Quote:
Originally Posted by Dadamsnv
I had to take a break from my tuning thread to repair a leak from my timing cover. Also, I will be replacing my radiator, shroud, cap, bypass hose, and rad hoses.

I may also do my water pump while I'm in there. I'm not sure if I should do the timing set, I doubt that motor has 20k more miles on it, but judgment tells me to do it anyway.
I love your tinning thread by the way. I will be using it once I get to needing a good tune when she's running in a few months.

Built Not Bought #640

1976ish cj5 304 t18 d20 2.5" lift

some year YJ custom frame HP D60 14 bolt 4 linked front rear FI 350 700r4 NP231c

2009 JK 4 door 2.5" lift 35" tires custom bumpers mile marker 9500# winch
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post #177 of 4511 Old 08-08-2012, 10:29 AM Thread Starter
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I love your tinning thread by the way. I will be using it once I get to needing a good tune when she's running in a few months.
I'm glad you like it!

When you get to the point where you'll be tuning your 304, you should take over that thread.

Cheers!
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post #178 of 4511 Old 08-08-2012, 10:30 AM
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Quote:
Originally Posted by Dadamsnv

I'm glad you like it!

When you get to the point where you'll be tuning your 304, you should take over that thread.
Great idea I think I will do that. (if you'll let me )

Built Not Bought #640

1976ish cj5 304 t18 d20 2.5" lift

some year YJ custom frame HP D60 14 bolt 4 linked front rear FI 350 700r4 NP231c

2009 JK 4 door 2.5" lift 35" tires custom bumpers mile marker 9500# winch
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post #179 of 4511 Old 08-08-2012, 01:09 PM Thread Starter
Dadamsnv
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Great idea I think I will do that. (if you'll let me )
Hell yeah, as many tuning cases as possible would be fantastic

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post #180 of 4511 Old 08-08-2012, 01:12 PM
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I'm gonna take over then in a few months then.

What happened to your radiator? Just a big hole or?

Built Not Bought #640

1976ish cj5 304 t18 d20 2.5" lift

some year YJ custom frame HP D60 14 bolt 4 linked front rear FI 350 700r4 NP231c

2009 JK 4 door 2.5" lift 35" tires custom bumpers mile marker 9500# winch
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