07-24-2011, 10:22 PM
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#1
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GX Member
Join Date: Apr 2011
Location: Florida
Posts: 21
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high compression 3400 build
so,for those who dont know this isnt my first rodeo. my mods list includes:
old 1393(stage 2) cam
3500 heads
comp 986's
ls lifter springs
s&s
cai
65mm tb
2.5 custom header back
comp ported manifolds
tune
28 lb injectors
tce afpr
to add to the madness ive ordered:
dohc pistons
head studs
stock conrods
cometic 3400 head gaskets, compressed thickness of .075 to yield 11.6:1. more parts are to be ordered.
probably p series rod bearing
pre 00 timing set.
new crank cuz the snout on mine is stripped
maybe arp rod bolts
maybe arp main studs
i need advice on the last two.
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07-24-2011, 11:01 PM
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#2
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I'm not bothering with main studs.....my static compression won't be as high as yours, but I've got a decently larger cam. Even still, I think main studs are overkill unless spinning to 8K RPM or above.
The rod bolts are worthwhile though.
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07-24-2011, 11:22 PM
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#3
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GX Member
Join Date: Apr 2011
Location: Florida
Posts: 21
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ben said the same thing. its really cheap insurance. and the powerband of the cam peaks at 6500 and i dont even rev that high so i think ill pass on the main studs
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07-25-2011, 02:48 AM
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#4
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GLS member
Join Date: Aug 2010
Location: indy
Posts: 8,411
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good luck with the build, cant wait to see it.
__________________
S. . .L. . . E . . .E. . .P. . .Y. . .IS A TRAITOR--HE GOT BORED SO HE SOLD ME AFTER HAVING AN AFFAIR WITH A RICE ROCKET
Oldsnut is my Hero!
Meet Destiny, shes a 2001 Oldsmobile Alero GLS, F40 6MT swap. (#2 of 3)
2/24/14 - 200,000 miles body/motor. 22,300 on F40.
Quote:
Originally Posted by Oldsnut
He would Plasti Dip his pecker if he could.
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Quote:
Originally Posted by tipnitty
A girl touched my Pee Pee. So you can say things are getting pretty serious for me.
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07-25-2011, 03:30 AM
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#5
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3500 DONE!
Join Date: Apr 2006
Location: Albany, NY
Posts: 5,915
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niiiiice! Cant wait to do some more performance mods to my car...
__________________
2002 3400 & 3500 GL "Ruby"-->R.I.P. 163k. My first car. Put 130k on her.
2000 3500 GLS "Robin"-->Intake,Headers,Exhaust,H&R springs,KYB AGX,Sway bars,Strut bars and more
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07-25-2011, 08:21 AM
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#6
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2Screwy
Join Date: Dec 2003
Location: South Dakota
Posts: 13,238
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double roller set?
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07-25-2011, 09:52 AM
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#7
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Quote:
Originally Posted by kwhauck
double roller set?
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On his old 1393 grind? Not necessary, although cryo-treating the 94-99 timing set would be worthwhile.
I will be using (and have) the TCE DR timing set.
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07-25-2011, 01:26 PM
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#8
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GX Member
Join Date: Apr 2011
Location: Florida
Posts: 21
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Quote:
Originally Posted by mfuller
On his old 1393 grind? Not necessary, although cryo-treating the 94-99 timing set would be worthwhile.
I will be using (and have) the TCE DR timing set.
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yea no go on the dr set but funny you mention cryo treating the pre 00 chain, i was actually thinking about that. dont know how much that would cost
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07-25-2011, 03:00 PM
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#9
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I've used http://www.300below.com/ before. Their prices for doing brake rotors was reasonable and turn-around was quick. You can probably find a more local place if you look around.
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07-25-2011, 03:18 PM
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#10
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GX Member
Join Date: Apr 2011
Location: Florida
Posts: 21
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thanks matt. on a side note, i may be moving back up there soon.
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07-25-2011, 05:55 PM
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#11
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GX Member
Join Date: Apr 2011
Location: Florida
Posts: 21
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some parts came in

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07-25-2011, 08:19 PM
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#12
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Aleromod part owner
Join Date: Nov 2003
Location: Far Northeast Philadelphia, PA
Posts: 18,199
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What is the advantage to using DOHC pistons over Diamond Forged SOHC version?
__________________
33% ALEROMOD OWNER!!
2000 Olds Alero 3400 SFI 14.53 @ 94.93
1985 Olds Delta 88 307 SBO 17.96 @ 76.99
2007 Volvo V50 T5 6M 15.782 @ 89.12
www.facebook.com/kb0177
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07-25-2011, 09:54 PM
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#13
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GX Member
Join Date: Apr 2011
Location: Florida
Posts: 21
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price really. im not increasing combustion chamber pressures enough to worry about popping a piston so the extra strength isnt needed. and with a specific combo of parts, desired compression can be achieved. i got these for 130 shipped with wrist pins.
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07-25-2011, 10:42 PM
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#14
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Aleromod part owner
Join Date: Nov 2003
Location: Far Northeast Philadelphia, PA
Posts: 18,199
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What CR are you looking at? How are you going to get there? DOHC pistion will work in a SOHC 3400 V6?
__________________
33% ALEROMOD OWNER!!
2000 Olds Alero 3400 SFI 14.53 @ 94.93
1985 Olds Delta 88 307 SBO 17.96 @ 76.99
2007 Volvo V50 T5 6M 15.782 @ 89.12
www.facebook.com/kb0177
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07-26-2011, 12:31 AM
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#15
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Ken, old buddy.......the 3400 is an OHV (overhead valve) motor, not a SOHC (single over-head cam) motor.
And he's looking ~11.6:1 with the DOHC pistons, 3500 heads and .075" head gaskets.
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07-26-2011, 02:33 PM
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#16
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Aleromod part owner
Join Date: Nov 2003
Location: Far Northeast Philadelphia, PA
Posts: 18,199
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Quote:
Originally Posted by mfuller
Ken, old buddy.......the 3400 is an OHV (overhead valve) motor, not a SOHC (single over-head cam) motor.
And he's looking ~11.6:1 with the DOHC pistons, 3500 heads and .075" head gaskets.
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My bad. I knew that, I just got excetied.
Damn, I need to get laid
__________________
33% ALEROMOD OWNER!!
2000 Olds Alero 3400 SFI 14.53 @ 94.93
1985 Olds Delta 88 307 SBO 17.96 @ 76.99
2007 Volvo V50 T5 6M 15.782 @ 89.12
www.facebook.com/kb0177
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07-26-2011, 02:36 PM
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#17
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Aleromod part owner
Join Date: Nov 2003
Location: Far Northeast Philadelphia, PA
Posts: 18,199
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Quote:
Originally Posted by mfuller
Ken, old buddy.......the 3400 is an OHV (overhead valve) motor, not a SOHC (single over-head cam) motor.
And he's looking ~11.6:1 with the DOHC pistons, 3500 heads and .075" head gaskets.
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Yeah I knew that. I was just blinded by the excitment of another option for an engine build.
And of course 
__________________
33% ALEROMOD OWNER!!
2000 Olds Alero 3400 SFI 14.53 @ 94.93
1985 Olds Delta 88 307 SBO 17.96 @ 76.99
2007 Volvo V50 T5 6M 15.782 @ 89.12
www.facebook.com/kb0177
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07-26-2011, 10:09 AM
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#18
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GLS member
Join Date: Nov 2007
Location: Indiana
Posts: 3,201
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I never knew the 3.4 dohc pistons were the same diameter as the 3400s I am intrigued. I wonder how tight the quench will be with those pistons and hg. Also any serious head work/bowl work?
Also I would reccomend deburring those valve reliefs it can help prevent predet.
Last edited by xXManwhoreXx : 07-26-2011 at 10:16 AM.
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07-29-2011, 09:35 AM
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#19
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GX Member
Join Date: Apr 2011
Location: Florida
Posts: 21
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Quote:
Originally Posted by xXManwhoreXx
I never knew the 3.4 dohc pistons were the same diameter as the 3400s I am intrigued. I wonder how tight the quench will be with those pistons and hg. Also any serious head work/bowl work?
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quench would be fine according to the cr calc on 60v6. they are the same diam. and also have the same piston pin diam. as well. was not planning on doing any headwork or anything to the pistons either.
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07-31-2011, 03:58 PM
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#20
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GLS member
Join Date: Nov 2007
Location: Indiana
Posts: 3,201
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Hmm alright... well the key to a good high comp build is always the headwork. Good luck man I bet this thing will haul ass!
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