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iron giant is in

2471 Views 30 Replies 12 Participants Last post by  KMKDIESEL
well got the iron giant in and got to test it racing, and smoked a powerjoke then got a racing ticket, :CRY: but I am heading to a pull this friday cant wait to see the true power it has with a bad a clutch
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where are you pulling this friday? Congrats on the new clutch!
 

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Discussion Starter · #5 ·
tooele utah and the clutch I smoked before was a custom made dd cintered iron and brass I will take a pic tomorrow of it its all ready wore all the way down to the metal and comp what gear you pulling in I am going for 4thlow 4th gear this pull
 

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i pull 4th and 4lo too and i have a 3850 SBC 1 feramic and 1 ceramic disk, not that fun in traffic but mine shows very little wear after 5 pulls and 40 lbs of boost before the sled moves ... just wonderin thanks for the info

have you ever tried 5th gear 4lo or 2nd gear 4 hi???
 

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Last time i pulled, first pull was 4th/4Lo, second hook was 5th/4lo. 5th is a little tall. You could go 2nd/4hi to hit in between. I was bouncing off the rev limiter in 4th.
 

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Discussion Starter · #9 ·
im debating this hard while the new build is happening... thanks for the info man

sorry to kinda jack your thread all up man
dont worry I am looking for this info to comp what tire size you running and in the 4th gear pull what rpms you coming off the line in 2500 or ?
 

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Discussion Starter · #12 ·
pics of the old clutch 1000 miles 1 hook


 

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Wow, you are hard on stuff, LOL! Hope the new one works out better for you this weekend. Post up some video after if you can!
 

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In theory you should try 5th gear because it should be straight through you won't be turning counter shaft I believe. Correct me if I'm wrong but it should free up just a little power. There is a 528 hemi that pulls here and he has a NP435 and runs 4th gear because it is straight through.
 

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I also found out that with my 80 I was running 15mph at just over 7000rpm the guysthat beat me were running 19 & 20 mph so now I am switching trannys to get more ground speed. Ground speed is the key if you can pull more gear.
 

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Thats on my 1980 powerwagon with a 383
 

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Can you get that clutch rebuilt or is it not worth it
 

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Discussion Starter · #20 ·
I am going to try 4th low I have 37" tires so I think that will be my gear I am still in battle with the people that built the clutch one guy said yes warerenty another said no so I dont know I am not even going to bother getting it rebuilt, it was a cheap clutch though I could buy three to the one iron giant, I always like taking risks, and I will try to get some video footage tonight
 
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