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post #1 of 33 Old August 2nd, 2013, 03:21 PM Thread Starter
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Best forged rotating assembly to buy?

Ok guys.. So my last trip the track I messed up to pistons, so I'm looking to buy a new forged rotating assembly and reuse my stock block and I have thought about using my stock crank.. Just wanted to see what company you guys think I should go with.. I will be spraying the car with a 150 shot when I get it back together, so I need to know what cc pistons would work best.. I also will be upgrading my fuel system as well..

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Mac Longtubes,lethal xpipe,BBK 78mm TB&plenum,PP intake,JLT cold air,4.10 gear,Zex(125)shot,Sportline springs,subframes.. Tuned by Redline Performance in Asheville,NC

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Best 1/8 7.81@91 1.65 60ft
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post #2 of 33 Old August 2nd, 2013, 04:23 PM
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853rwhp @ 23psi
75mm Turbo 5.4 swap E85
#turbo2v

10.11 @ 138mph STOCK LONGBLOCK
9.20 @ 138 on 16psi - New Longblock /w Powerglide

www.JPCracing.com 410-729-0005 ext. 11

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post #3 of 33 Old August 2nd, 2013, 04:30 PM Thread Starter
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Pm sent.. Thanks again

02 Mustang GT
Mac Longtubes,lethal xpipe,BBK 78mm TB&plenum,PP intake,JLT cold air,4.10 gear,Zex(125)shot,Sportline springs,subframes.. Tuned by Redline Performance in Asheville,NC

446hp 570tq
Best 1/8 7.81@91 1.65 60ft
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post #4 of 33 Old August 2nd, 2013, 04:40 PM
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If you are building the engine, i would at least find a forged cobra crank to slap in it. The stock crank is good for a little bit of power, but i personally wouldnt take it pass 550ish. Rods are the weak point. Then obviously, get some arp main studs (i have some used for sale if youre interested)

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post #5 of 33 Old August 2nd, 2013, 05:20 PM Thread Starter
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Thanks for the info.. It will be a few months before I can buy anything, I was just trying to figure out what would be my best options

02 Mustang GT
Mac Longtubes,lethal xpipe,BBK 78mm TB&plenum,PP intake,JLT cold air,4.10 gear,Zex(125)shot,Sportline springs,subframes.. Tuned by Redline Performance in Asheville,NC

446hp 570tq
Best 1/8 7.81@91 1.65 60ft
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post #6 of 33 Old August 2nd, 2013, 06:56 PM
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Should buy mine

I went with MMR rods and manley pistons. Havn't had any time on them so done know how they really are but price was decent and I had good luck with MMR

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post #7 of 33 Old August 2nd, 2013, 08:31 PM Thread Starter
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I have heard good and bad things about mmr but mostly on there shortblocks

02 Mustang GT
Mac Longtubes,lethal xpipe,BBK 78mm TB&plenum,PP intake,JLT cold air,4.10 gear,Zex(125)shot,Sportline springs,subframes.. Tuned by Redline Performance in Asheville,NC

446hp 570tq
Best 1/8 7.81@91 1.65 60ft
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post #8 of 33 Old August 2nd, 2013, 08:38 PM
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Yeah, its normally their shortblocks or customer service. A while back, their oil pump gears were shitty but i think they fixed that. Usually, their parts are pretty good though

"Happiness is being blown and stroked at the same time"
V6 => Teksid 302 stroker 644hp/576tq.
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post #9 of 33 Old August 2nd, 2013, 08:41 PM Thread Starter
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I've looked at their rotating assembly's.. Not to bad on price

02 Mustang GT
Mac Longtubes,lethal xpipe,BBK 78mm TB&plenum,PP intake,JLT cold air,4.10 gear,Zex(125)shot,Sportline springs,subframes.. Tuned by Redline Performance in Asheville,NC

446hp 570tq
Best 1/8 7.81@91 1.65 60ft
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post #10 of 33 Old August 2nd, 2013, 10:58 PM
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Quote:
Originally Posted by True Blue 02 View Post
Ok guys.. So my last trip the track I messed up to pistons, so I'm looking to buy a new forged rotating assembly and reuse my stock block and I have thought about using my stock crank.. Just wanted to see what company you guys think I should go with.. I will be spraying the car with a 150 shot when I get it back together, so I need to know what cc pistons would work best.. I also will be upgrading my fuel system as well..
SO what happened at the track. To much power on stock internals. Im going next week to get a dyno tune for 125 zex shot. Got me nervous

CAI,65mmTB,triaxshortshifter,Borla stingers catless exhaust O/F pipe,4:10's,31 spline mosers, on my 3rd cobra diff.uca's, lca's, pinion angle -3°,sct tuner, zex wet kit,stock tr3650, stock clutch.
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post #11 of 33 Old August 3rd, 2013, 09:57 AM Thread Starter
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Don't worry you will be fine on the 125 shot.. I added the 150 jets and that's how it happen.

02 Mustang GT
Mac Longtubes,lethal xpipe,BBK 78mm TB&plenum,PP intake,JLT cold air,4.10 gear,Zex(125)shot,Sportline springs,subframes.. Tuned by Redline Performance in Asheville,NC

446hp 570tq
Best 1/8 7.81@91 1.65 60ft
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post #12 of 33 Old August 3rd, 2013, 01:08 PM
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Im doing a DSS 5.0 stroker rotating assembly in a cobra block, rated to 1000hp, Figures that should be enough for 15 psi (+/-) and a 200 wet

Built, Forged, 5litre, Turbo cams, Turbo comming soon!
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post #13 of 33 Old August 3rd, 2013, 01:40 PM Thread Starter
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Should be a solid setup..

02 Mustang GT
Mac Longtubes,lethal xpipe,BBK 78mm TB&plenum,PP intake,JLT cold air,4.10 gear,Zex(125)shot,Sportline springs,subframes.. Tuned by Redline Performance in Asheville,NC

446hp 570tq
Best 1/8 7.81@91 1.65 60ft
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post #14 of 33 Old August 3rd, 2013, 01:47 PM
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got the upgraded crank too hopefuly that should be goo, iv been looking into rotating assemblys for a long time now and im back where I started with this DSS, got a steal on it so I couldnt let it go, ill let you know how it holds up, you made up your mind in full yet OP on what you want to do?

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post #15 of 33 Old August 3rd, 2013, 02:05 PM Thread Starter
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No not yet I'm still looking what's out there.. Definetly let me know how it holds up

02 Mustang GT
Mac Longtubes,lethal xpipe,BBK 78mm TB&plenum,PP intake,JLT cold air,4.10 gear,Zex(125)shot,Sportline springs,subframes.. Tuned by Redline Performance in Asheville,NC

446hp 570tq
Best 1/8 7.81@91 1.65 60ft
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post #16 of 33 Old August 3rd, 2013, 02:34 PM
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These guys have given you some decent suggestions. But, if that is all you are gonna spray, I would honestly only replace the pistons and rods. The crank will hold up just fine. Summit has some decent pistons and rods to choose from. Stock compression is just fine, so a piston with a similar dish is good.


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post #17 of 33 Old August 3rd, 2013, 02:40 PM Thread Starter
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Thanks for the info 04redgt if I decided to bump it up to a 200-250 shot would I need to replace the crank as well?

02 Mustang GT
Mac Longtubes,lethal xpipe,BBK 78mm TB&plenum,PP intake,JLT cold air,4.10 gear,Zex(125)shot,Sportline springs,subframes.. Tuned by Redline Performance in Asheville,NC

446hp 570tq
Best 1/8 7.81@91 1.65 60ft
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post #18 of 33 Old August 3rd, 2013, 02:49 PM
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The cranks are stronger than what some think. To give you an idea, nmra racers use them in their 9k rpm motors! I would be willing to take one to 600hp, but I don't abuse my stuff like some people and I would only subject it to that at the track.


Completely stock engine with nitrous, at least it was when it ran 7.31!
298/323 on motor with MHS Nitrous Stage 1's
403/490 on a 48 Jet
Tuned by Kurgan Motorsports
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post #19 of 33 Old August 3rd, 2013, 02:58 PM
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cranks good to 600 (+/-) soo if your going to be making that or more on the bottle id do it, or if you have plans for other power increasing mods down the road go ahead and do it while your there, Cobra crank can be had for 350ish

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post #20 of 33 Old August 3rd, 2013, 03:04 PM Thread Starter
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Thanks for the info guys.. I would only be running hard on the street I don't do any street racing

02 Mustang GT
Mac Longtubes,lethal xpipe,BBK 78mm TB&plenum,PP intake,JLT cold air,4.10 gear,Zex(125)shot,Sportline springs,subframes.. Tuned by Redline Performance in Asheville,NC

446hp 570tq
Best 1/8 7.81@91 1.65 60ft
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