Author Topic: cteng's 460 question thread...Small Successes  (Read 18165 times)

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CTENG in KS

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cteng's 460 question thread...Small Successes
« on: Jul 06, 2007, 09:06:01 AM »
I am starting a thread to keep all my big block issues in one place...
I have lots of issues.
Everyone by now has seen the Beastmaster...
1979 Ford van cab with a 460/c6
She has a Ford issue Holley carb, stock everything.  Stock low pressure electric in-line fuel pump.  Dual tanks. Manual choke.

First issue now that I got the manifold gaskets replaced.
When I shut the motor off she cycles a couple evtra revs, builds up pressure in the intake manifold, and forces it out the carb along with a nice spray of gas.

Thoughts?

Thanks!  :turtle3:
« Last Edit: May 03, 2008, 12:38:25 PM by CTENG in KS »
IFS is best kept at ambient temperature in a pile of scrap in the backyard.  When kept under a functioning vehicle, it tends to greatly diminish said vehicle's offroad ability.     -reklund5

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Re: cteng's 460 question thread...
« Reply #1 on: Jul 06, 2007, 09:57:50 AM »
I know exactly what you are talking about, i have a lot of fords the first thing is your timing. i cant remember if you need to advance it or retared it but that usually will fix it  :crossed:. Ya that not cool when you are in a truck and leave it in gear and shut it off open the door and it cycles and you go a foot or two forward  :rofl2:
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CTENG in KS [OP]

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Re: cteng's 460 question thread...
« Reply #2 on: Jul 06, 2007, 10:07:01 AM »
Thats what I heard from my buddy the ford guy...said sounds like timing.  I also have a bit of hesitation when I first move from a stop...
IFS is best kept at ambient temperature in a pile of scrap in the backyard.  When kept under a functioning vehicle, it tends to greatly diminish said vehicle's offroad ability.     -reklund5

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Re: cteng's 460 question thread...
« Reply #3 on: Jul 06, 2007, 11:17:46 AM »
I had a 79 Bronco with a 460. I also had the hesitation. I got rid of the Holley and put on a Carter
Time to go wheelin!

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Re: cteng's 460 question thread...
« Reply #4 on: Jul 06, 2007, 11:31:43 AM »
Holley's suck!  Try a predator carb!  My uncle used two of these on his mudder in the day.  No tuning, just bolt on and go!  http://www.predatorcarb.com/  They really are that easy, self tuning!
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CTENG in KS [OP]

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Re: cteng's 460 question thread...
« Reply #5 on: Jul 06, 2007, 12:43:54 PM »
I sw those, not sure if I have enough room though, they are kinda tall.
IFS is best kept at ambient temperature in a pile of scrap in the backyard.  When kept under a functioning vehicle, it tends to greatly diminish said vehicle's offroad ability.     -reklund5

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Re: cteng's 460 question thread...
« Reply #6 on: Jul 06, 2007, 12:54:00 PM »
Your engine timing is off. Set the timing & see how it runs before you start throwing parts at it  :twocents:
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CTENG in KS [OP]

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Re: cteng's 460 question thread...
« Reply #7 on: Jul 06, 2007, 01:03:19 PM »
I am gonna do the timing, but the carb is in need of a rebuild and I was gonna go with a slightly lighter Al manifold as well.

I just checked ebay and there was a predator carb for $79.  I bought it.  Needs some cleaning and one set of threads needs retapping, but I can take care o that real fast like.
IFS is best kept at ambient temperature in a pile of scrap in the backyard.  When kept under a functioning vehicle, it tends to greatly diminish said vehicle's offroad ability.     -reklund5

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Re: cteng's 460 question thread...
« Reply #8 on: Jul 06, 2007, 02:15:17 PM »
timing AJ.   advaNCE  THE DIST JUST A HAIR.  MAYBE 2*
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Re: cteng's 460 question thread...
« Reply #9 on: Jul 07, 2007, 03:15:21 PM »
It has been a while but I have had a few 460's and I think the timing set on the smog years was retarded from the factory.  You can get a chain & sprocket that are set "straight up" and will increase perf/mileage try calling or asking around I am sure there are alot of people who know about it.  One trick I used a couple of times is replacing the cast iron intake with an aluminum (like you are planning) but I used a SCJ manifold and it speeds up the velocity& runs way better, but with a tow rig Edelbrock performer is probably a better choice.

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Re: cteng's 460 question thread...
« Reply #10 on: Jul 07, 2007, 03:18:27 PM »
Aj, if you lean over the battery  and look under the top radiator hose  you can see the  bolt  that holds the distributor  in place,  but its gonna be a pain to get to
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CTENG in KS [OP]

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Re: cteng's 460 question thread...
« Reply #11 on: Jul 07, 2007, 04:32:27 PM »
OK, is your battery on passenger side??
IFS is best kept at ambient temperature in a pile of scrap in the backyard.  When kept under a functioning vehicle, it tends to greatly diminish said vehicle's offroad ability.     -reklund5

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Re: cteng's 460 question thread...
« Reply #12 on: Jul 07, 2007, 06:48:15 PM »
actually  i have one on both sides,  but yea  the one on the right

oh  have ya seen this :dunno:

http://www.trailkrawlers4x4.org/tkbbs/viewtopic.php?t=5825

 

AR-TTORA founder 22R bored.060,LCE stage II race cam http://pure-gas.org/    32/36weber, :driving: Marlin 1200 NON ceramic clutch, L52SHD+dualcase #2919, cable-locker, Yukon 5.29 gears, 35's, Allpro ebrake, front springs, and high steer, F150rears    RIP Nitro 9-29-07 :(  I sure miss him :down: MarlinCrawlerInc IS NOT affiliated with TrailGear in any way

CTENG in KS [OP]

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Re: cteng's 460 question thread...
« Reply #13 on: Jul 08, 2007, 07:56:49 PM »
You gonna go to that?

I found the doohicky and loosened it up, but the freakin distributer will NOT move.  Am I missing something?
IFS is best kept at ambient temperature in a pile of scrap in the backyard.  When kept under a functioning vehicle, it tends to greatly diminish said vehicle's offroad ability.     -reklund5

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Re: cteng's 460 question thread...
« Reply #14 on: Jul 08, 2007, 09:16:06 PM »
You gonna go to that?

I found the doohicky and loosened it up, but the freakin distributer will NOT move.  Am I missing something?

most likly not, they biuld up varnish and get stuck. spray carb cleaner at the base a few time over an hour or so and then try to move it around a bit. may take more than once. but it will work.
A good day working, that's just sick :reg:

CTENG in KS [OP]

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Re: cteng's 460 question thread...
« Reply #15 on: Jul 09, 2007, 08:40:04 AM »
K...sounds good, I will try the carb cleaner!
Thank you!
IFS is best kept at ambient temperature in a pile of scrap in the backyard.  When kept under a functioning vehicle, it tends to greatly diminish said vehicle's offroad ability.     -reklund5

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Re: cteng's 460 question thread...
« Reply #16 on: Jul 09, 2007, 11:13:34 AM »
If your timing is where it should be don't retard it to fix your problem  :nonono: it will only run worse. Also, do check for vac leaks and such as suggested by others here. Often times the ''running on'' or ''dieseling'' can be caused from too high of an idle speed setting and might even be worsened by high engine temps. Also, check to see if there's any excessive wear in the throttle shafts of the carb which can cause inconsisten idle speeds and make sure it isn't wanting to run off the secondaries in the back of the carb (not too uncommon with a Holley). If the secondaries are misadjusted it may hold a high idle and cause some really bad fuel mileage as well since the secondaries are always leaking into the intake. You might find this if the idle won't turn down with the main idle speed screw on the primary shaft (below a normal idle speed, that is). Just more stuff to check. Hope someone here helps you with your problem.  :thumbs:

CTENG in KS [OP]

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Re: cteng's 460 question thread...
« Reply #17 on: Jul 09, 2007, 11:34:26 AM »
Thanks for the info...I actually have a predator carb on the way I am gonna try.  My two biggest issues right now are the dieseling at shut off and a bad hesitation when I press the gas.  It will hiccup pretty bad, then smooth out as I apply more gas.
IFS is best kept at ambient temperature in a pile of scrap in the backyard.  When kept under a functioning vehicle, it tends to greatly diminish said vehicle's offroad ability.     -reklund5

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Re: cteng's 460 question thread...
« Reply #18 on: Jul 09, 2007, 11:47:52 AM »
Holleys are also known for having hesitations if the accelerator pump diaphragm goes bad since these were rather sensitive to any sorta backfires as well. At least those aren't hard or expensive to change. try that if that's still in your schedule of things to try since you say the new carb is on the way... :biggthumpup: maybe then you'll have a good carb to sell... :dunno:

CTENG in KS [OP]

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Re: cteng's 460 question thread...
« Reply #19 on: Jul 09, 2007, 12:16:22 PM »
I am def. thinking of grabbing a rebuild kit for the Holley and throwing it on ebay if I like the predator.
IFS is best kept at ambient temperature in a pile of scrap in the backyard.  When kept under a functioning vehicle, it tends to greatly diminish said vehicle's offroad ability.     -reklund5

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Re: cteng's 460 question thread...
« Reply #20 on: Jul 09, 2007, 12:18:05 PM »
Sweet!  Good luck with that... :beerchug:

CTENG in KS [OP]

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Re: cteng's 460 question thread...
« Reply #21 on: Jul 28, 2007, 06:33:09 PM »
OK, I took the beast over to a buddy's place and we check ed the timing...it is off about 10 degrees, but we could not get the distributer to budge.  It is seized up in there and it WILL NOT MOVE.

I don't know what else to try at this point.
IFS is best kept at ambient temperature in a pile of scrap in the backyard.  When kept under a functioning vehicle, it tends to greatly diminish said vehicle's offroad ability.     -reklund5

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Re: cteng's 460 question thread...
« Reply #22 on: Jul 28, 2007, 08:39:57 PM »
do you have room to get a strap wrench on it with a cheater bar...to get it to rotate?

CTENG in KS [OP]

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Re: cteng's 460 question thread...
« Reply #23 on: Jul 29, 2007, 06:45:56 AM »
No, there is essentially no room to werk at all.
IFS is best kept at ambient temperature in a pile of scrap in the backyard.  When kept under a functioning vehicle, it tends to greatly diminish said vehicle's offroad ability.     -reklund5

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Re: cteng's 460 question thread...
« Reply #24 on: Jul 29, 2007, 06:52:01 AM »
spray it  with wd40  and let it sit a couple days
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CTENG in KS [OP]

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Re: cteng's 460 question thread...
« Reply #25 on: Jul 29, 2007, 07:01:08 AM »
Did that
IFS is best kept at ambient temperature in a pile of scrap in the backyard.  When kept under a functioning vehicle, it tends to greatly diminish said vehicle's offroad ability.     -reklund5

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Re: cteng's 460 question thread...
« Reply #26 on: Jul 29, 2007, 07:08:55 AM »
:down:  put some brake fluid  on it  :dunno:
AR-TTORA founder 22R bored.060,LCE stage II race cam http://pure-gas.org/    32/36weber, :driving: Marlin 1200 NON ceramic clutch, L52SHD+dualcase #2919, cable-locker, Yukon 5.29 gears, 35's, Allpro ebrake, front springs, and high steer, F150rears    RIP Nitro 9-29-07 :(  I sure miss him :down: MarlinCrawlerInc IS NOT affiliated with TrailGear in any way

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Re: cteng's 460 question thread...
« Reply #27 on: Jul 29, 2007, 07:12:38 AM »
We are of the opinion that the o-ring isn't seated correctly and is thus wedged in there and seized up.  Don't think any fluid but acid would help the situation.
IFS is best kept at ambient temperature in a pile of scrap in the backyard.  When kept under a functioning vehicle, it tends to greatly diminish said vehicle's offroad ability.     -reklund5

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Re: cteng's 460 question thread...
« Reply #28 on: Jul 29, 2007, 07:36:07 AM »
Try using some liquid wrench on it and let it sit a day or so.

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Re: cteng's 460 question thread...
« Reply #29 on: Jul 29, 2007, 09:13:07 AM »
uhm...at risk of breaking the distributor, but a 2x4 and a prybar?

 
 
 
 
 

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