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Discussion Starter #1
well it was a cold day and when i fired up my bird i notice the condensation coming from my passenger side pipe had a lil oil in it so its time to start planning on building my mark vIII motor. my two big questions are what kit do you recommend for a 5.0/5.2 build and where would you get it from. and also does anybody have any recommendations for somebody to do the shortblock work. i'm located smack dab in the middle of iowa so i'd like to keep the drive time reasonable. thanks, Dave
 

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www.modularperformance.com have someone who knows 4V motors do it. OR you can send it off to south florida and have Al Papitto do the work, but tht will cost more in shipping.
 

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Discussion Starter #4
we've got an arnolds in ames but i'm kinda wiery to send it there just cause i'm sure they don't get a lot of performance motor rebuilds there.
 

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Finding a shop that can do a mod engine is hard to do. Al is the man with them if I were going to pay someone to completely build my engine for me it would be Al.
Alan
 

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Discussion Starter #6
what about if all i wanted was to get the short block prepped? by that i mean remove the sleeves, bore and install the new sleeves. any recomendations?
 

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Make sure the shop has a torque plate to sleeve one of these motors. If you are going that far I suggest going big bore.
Alan
 

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Discussion Starter #9
for the big bore do they remove the sleeves and actually bore it or is it just as simple as using a new sleeve with a larger inner diameter?
 

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I don't build engines so I can't be exact I believe they remove the sleeves bore the block then install an oversized sleeve.
Alan
 

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Discussion Starter #11
k, do you guys feel its necessary to upgrade crankshafts for my purpose? i'm definitely planning on going with a big bore set up and most likely super charged. i'm currently working on acquiring a set of cobra connecting rods.
 

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The Parts Guy
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The Great Obucina said:
no, cast crank is fine.
Agreed. The parts you need to worry about are the rods and pistons.

-Rod
 

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Discussion Starter #15
say rod is there anyone in the great state of mizzou (preferably the northern half) that you would recommend for the job? it would just be another excuse for me to drive to missouri and see my high school buddy.
 

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The Parts Guy
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Nobody that I know of. If I ever blow mine up, I'll probably either go with ModularPerformance or Al.

-Rod
 

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hey let me now i'l hook u up my dad and i have a machine shop. thats where i built my motor at its a 4.6 sohc bore .020 over forged manley platinum series pistons , frrp i beam racing rods polished heads. it's located in south west iowa, atlantic , ia . its called the engine shops he's been in the business for 30 years very good work i've been helping him out for about 5 years, we build stock car motors , high performance, pretty much anything. we have every machine to do the work. let me know he's very reasonable, and builds them to the specs u want but yea let me know i could probably knock the price down some to for u.
 

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Discussion Starter #19
sweet thanks alot fastbird, i've been through atlantic a few times so it shouldn't be too tough to find. i'm hoping to do the shortblock this coming summer (prolly late) then continue with the rest from there. i noticed on the heads that there are a couple of chips out of the cam journals from shipping issues. would you guys be able to weld in a little material and smooth them out? they aren't serious by any means and i could get you pics if you like. thanks, Dave
 

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yea should be able to weld them up. yea if u want send some pics to me. that'll work out yea i notice a big power increace after i did my motor, it's has a lot more low end torque than it used to milling the heads down was my biggest increase and balancing the motor to compinsate for the new rods and pistons i can run 7 grand all day long. 5 grand is where u motors inbalance is at if u balance it to those specs u will gain more horsepower in those rpm ranges. hot tanking the block, boring it and honing it is all $120 for all 3 very cheap , most guys charge like $ 300 to do that.
 
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