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Dowel pins for 26psi

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Old 01-02-04, 05:23 PM
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Dowel pins for 26psi

Its neccesary to use additional dowel pins (engine ) for more than 26psi of boost . If yes where can i found ?
Old 01-02-04, 05:41 PM
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You should probably call or e-mail one of the specialty engine builders like Pineapple racing. They'd more than likely know more about that. I don't think I've seen anyone on here running that kind of boost so I'm not sure how helpful we'll be on this one.
Old 01-02-04, 06:07 PM
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It depends on what size turbo but most replies are going to differ.
Old 01-02-04, 06:07 PM
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Good idea !
Old 01-02-04, 06:10 PM
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TO4SX2 from XS or T-78 .
Old 01-02-04, 06:11 PM
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the 13brew is stronger than the older rotaries. ill be running about 25psi w/o pins. a lot of it has to do with tuning as well. if your tuner is good enough then hell be comfortable w/o them. this goes for the discussion about 2mm seals vs. 3mm seals.

paul
Old 01-02-04, 06:19 PM
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Im planning to use 3mm racing hurley seals.
Old 01-02-04, 06:39 PM
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Hurley seals are not too good. Checkpoint recently has discovered that they wear very quickly unless a large amount of premix is used. They changed their alloy sometime ago and their new material is crap.
Old 01-02-04, 06:40 PM
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yes. . . hurley seals arent to be used on a boosted motor. . .
Old 01-02-04, 06:44 PM
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As know Ari and Abel they use hurley seals.
Old 01-02-04, 06:48 PM
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i know of SEVERAL hurley motors that didnt even complete break in period. im not sure of what ari and abel use, but i know from my experience not to use them. i thought ari used stock seals. most people like to use stock seals. . . they are THE BEST. . .

paul
Old 01-02-04, 06:50 PM
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A friend of mine who talks with Ari told me that , and the foto of Abel is on the site of hurleyrotary !!!!
Old 01-02-04, 06:54 PM
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Do you mean 2mm stock seals ??
Old 01-02-04, 07:02 PM
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Where can i found 3mm stock apex seals ?
Old 01-02-04, 07:06 PM
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2mm stock seals + good tuner = best setup

if you dont wanna buy new rotors due to bad seal grooves just have them opened up and go with 3mm seals like i did.

atkins 3mm seals are very good.

paul
Old 01-02-04, 07:26 PM
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Yeah, Atkins I think has one of the best 3mm seals. Plus they do great work there.
Old 01-02-04, 09:15 PM
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Originally posted by sevenin7
Where can i found 3mm stock apex seals ?
84-85 GSL-SE
Old 01-02-04, 10:00 PM
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you want to push high boost...go with the 3mm ianettis...

i did a lot of research into the dowell pinning solution...and the consensus amongst the builders I spoke to seemed to be that it would be wise if you are pushing past 500hp.

do a search in the single turbo section...there are a number of guys in there with pinned motors. probably a few that have twisted some previous to pinning them too.


j
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