Intermediate Shaft

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10-06-2008, 04:59 PM

#31

rufushusky

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Quote:

Originally Posted by tatkins85

dang you tritont... i was hoping to get my output shaft in and be done with it.... o well guess ill start saving for a intermedate... i hate how i built this truck, with spray im around 900 hp but i cant use any of it because i built power first and now im building the truck to handle it. ive had this truck built with this power for over a year now but im to scared to bring it to the track to se what i will run sence its not built to handle it. o well quess ill stick with my dyno's till i get my truck built up... thanks 4 the help tritont.

Well you gotta remember really above 800rwhp I don't care what you make your trans outta something can break. Now my two pennies, which aren't worth a hole lot since I still have a totally stock 150,000 mile old 48re, I hear more often then not that the intermediate shaft is the least likely to break and I was told by Scott at MassDiesel that he has only seen two stock intermediate shafts break and both were worst case scenarios. Personally I am ok with leaving my intermediate shaft stock, I am gonna do a billet in and a billet out. Bottom line it is your money, do what you feel most comfortable with.

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10-06-2008, 05:02 PM

#32

cquestad

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575 hp and 75k wiped out MY OEM intermediate...wiped out the entire tranny... cases too. It was like starting over with NO CORE!

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10-06-2008, 05:05 PM

#33

jrussell

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A member of another forum had a built tranny with billet input, stock intermediate, and billet output. His billet input broke before the stock intermediate.

Cquestad, did your truck have an exhaust brake when the stocker broke?

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10-06-2008, 05:08 PM

#34

cquestad

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Never an exhaust brake...

That is common too..input first...even if it "stronger" than the intermediate.

I guess all I and Tritont are saying...IF the intermediate goes...you basically throw away the tranny. So 750 more...is worth it.

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10-06-2008, 05:54 PM

#35

tatkins85

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whats opie shafts? im not skipping corners in the tranny was just trying to find out if i did or didnt not need to spend the money on the interm shaft. my trannys as of right now has suncoast converter/vavle body, billet flexplate. billet input, billet output(not installed yet), clutchs, deeper tranny pan, trany gauge, so last thing will be the interm if its suggested. i just want to find out if i need to spend the money or if big hp guys go without them.

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10-06-2008, 06:43 PM

#36

DUKCALN

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My tranny has the sun coast extreme kit, BD Valve Body, TCS Triple convertor and my OD unit is completly built up. I put down 649HP on the dyno. I have a BD Flex in the mail and will get it installed soon. I am also doing an input shaft at the same time. I have never raced it at a track and don't do 4x4 launches so I can't see replacing the intermediate shaft. If i do head for the track i am not going to do 4x4 boosted launches, just 2wd and 10psi. I do have a lock up switch but once the truck is going I SEE NO problem using it. I know alot of people with stock shafts and built trannies running like I do with no issues yet. So for me I see no real issue with the shafts, yet. But for piece of mind the input will be done with the flex.