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Discussion Starter · #1 ·
i am building a 2.5 motor right now the guy i bought it from gave me a comp cam with .49 lift on intake and exhaust now my question is i dontg think the stock springs would work (could be wrong) whats a good upgrade for it and how rough will the car idle?
 

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Want to look at the comp cam 26995 beehive setup. Think there's a sticky on here about it. It'll handle that cam and the revs above 3500 will sing smooth as glass.
 

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use the retainers for those springs

if useing the mopar valve don't bother to get the listed locks - they won't fit your mopar valves
the ridge on the lock will not match the grove in the mopar valve - leaveing slop at the lock (valve can move up & down in the lock)

use a mopar valve lock instead - they may be off 1 degree (7 vs 8 ?)
and the mopar lock will also sit a little deeper in the retainer
 

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ZDDPlus™ - ZDDP for Classic, Muscle Cars & More

BTW people running a slider have to run a ZDDP additive. I like this place because they sell it in paste packets, so your not adding a quart of oil to get ZDDP and you run it with the synthetic oil you like. This is important to run with a non BB turbo too
 

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i am building a 2.5 motor right now the guy i bought it from gave me a comp cam with .49 lift on intake and exhaust now my question is i dontg think the stock springs would work (could be wrong) whats a good upgrade for it and how rough will the car idle?
keep in mind to use a S60 cam which this is on a 8v engine you need to have a ported head with +1 valves, a fully ported 2 piece with 52mm TB, ported exhaust manifold, .63 turbine of equivalent and big exhaust. Lastly a custom cal in the computer to run it with bigger injectors. Needless to say the LAST mod you do to a turbo 8v.

If you don't have any of this and aren't looking for big engine mods, look at the 20 PSI thread in the FAQ forum.
 

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Discussion Starter · #8 ·
auctually i already have a fully polished and ported head with +1 valves 2.75'' exhaust (straight piped) can i put a 52mm tb on a one piece intake?
 

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No, The neck after the TB is smaller than a stock 46mm TB and you can't open it up. So putting a bigger TB is pointless.
 

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ZDDPlus™ - ZDDP for Classic, Muscle Cars & More

BTW people running a slider have to run a ZDDP additive. I like this place because they sell it in paste packets, so your not adding a quart of oil to get ZDDP and you run it with the synthetic oil you like. This is important to run with a non BB turbo too
I bought a case of this from Eastwood last year --pretty reasonable. I use it in all my Flat tappet cars&Trucks.
 

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what would you recommend as the biggest tbto put on a one peice logsetup?
log and 1 piece are different intakes BTW. You can run a 58mm TB on the compressor of a log engine if you want, really doesn't matter.

Biggest on the 1 piece blow through should be a 46 stocker, until mass mods to the intake
 

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log and 1 piece are different intakes BTW. You can run a 58mm TB on the compressor of a log engine if you want, really doesn't matter.

Biggest on the 1 piece blow through should be a 46 stocker, until mass mods to the intake
alright cool.i will need to have my ecu flashed by cindy in order to get the right tune though correct?
 
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