Where to draw the line on my motor please help? - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 65 (permalink) Old 09-10-2009, 11:19 AM Thread Starter
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Where to draw the line on my motor please help?

I have an early 99' that melted a cylinder some time ago and am ready to start buying parts and get underway, however this is by far the most compicated motor I have ever done in terms of choice and where to apply the $$$$ in the right places.

My goal is to tow plain and simple around 10k and am thinking 425-450 hp level.

I already have a 02' parts motor that I will be using the intake for a BD turbo thruster kit and the 17* hpop, the forged rods from the 99' new Malhe 0.030" pistons, 4'' exhaust and intake with DP f-6 tunes, boost fooler, oil cross over line and mabey water injection after its together.

With that said, here are my concerns.

#1 do I need head studs or mains, arp rod bolts?
#2 everyone says hybrid injectors but is there a cheaper alternative at that hp level?
#3 what valve springs is everyone using or stock?
#4 is stock pushrods ok or should I get a better aftermarket brand?
#5 is porting really gunna help out in this application?
#6 fuel bowl delete with regulated return, I am at that level where it will really help?

Anything else machine related that I can do aswell other than the usual machining? Mabey cement or other mods I missed?

Thanks for any advice.
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post #2 of 65 (permalink) Old 09-12-2009, 05:46 AM Thread Starter
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Re: Where to draw the line on my motor please help?

Can anyone chime in please?
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post #3 of 65 (permalink) Old 09-12-2009, 06:00 AM
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Re: Where to draw the line on my motor please help?

dont dick with a stock turbo, get a gt38r from a sponsor diesel innovations is a good one. 2. 200cc hybrids from full force diesel will get you your goal of 400-450, and if you have any cash left trans mods by way of valve body or torque converter will probably be needed. 3. any cash left get a regulated regulated return kit from diesel innovations also.

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post #4 of 65 (permalink) Old 09-12-2009, 06:08 AM
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Re: Where to draw the line on my motor please help?

#1 do I need head studs or mains, arp rod bolts?
No, but the stock bolts can only be used once!
#2 everyone says hybrid injectors but is there a cheaper alternative at that hp level?Stage 2's can hit that level but dyi would work to
#3 what valve springs is everyone using or stock? comp cams 910 but stock will work with that power level
#4 is stock pushrods ok or should I get a better aftermarket brand? stock will work but its nice not to have to worry
#5 is porting really gunna help out in this application?yes it will help in allmost any app
#6 fuel bowl delete with regulated return, I am at that level where it will really help? a rr is needed to run hybrids at wot at 100%
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post #5 of 65 (permalink) Old 09-12-2009, 05:28 PM
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Re: Where to draw the line on my motor please help?

Is that true for not reusing all the stock motor bolts or just head bolts?

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post #6 of 65 (permalink) Old 09-12-2009, 05:35 PM
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Re: Where to draw the line on my motor please help?

Alot can be reused but some are one time use b/c when you torque them down they stretch.
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post #7 of 65 (permalink) Old 09-12-2009, 06:37 PM
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Re: Where to draw the line on my motor please help?

Quote:
Originally Posted by Tom S View Post
Is that true for not reusing all the stock motor bolts or just head bolts?
Quote:
Originally Posted by CLIFORD3 View Post
Alot can be reused but some are one time use b/c when you torque them down they stretch.
you would just have to look up the specs on the bolts. they can have some stretch ( its gonna happen) you would just need to make sure they are still in spec

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post #8 of 65 (permalink) Old 09-12-2009, 08:44 PM Thread Starter
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Re: Where to draw the line on my motor please help?

Thanks for the reply guys, I wouldnt imagine that you can measure the bolts for stretch very easy like with a caliper or mic. I know 6.0 head bolts are designed to stretch and have a one time use but isnt the 7.3 hardware if used correctly and not abused supposed to be a little more durable? I would love to use ARP internals everywhere but the price is crazy in this app so thats why I ask at 400-450hp will I be fine or iff'y.

I read that the 910's are a popular spring but is there a real difference VS stock, do stock over time loose the tension in them and the valves dont seat VS 910's?
I heard the beehive springs require some machining to get them in.
Any other machining that I should adress at the shop before its too late?


With regards to my turbo I already have the new BD one, from all the reading I could find on the GT38 vs the BD unit it stacks up pretty well and is way cheaper but if I went all out then I would go with the GT38 unit.

Trans upgrades are underway with a valve body and converter from BD.
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post #9 of 65 (permalink) Old 09-12-2009, 09:07 PM
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Re: Where to draw the line on my motor please help?

you have the BD turbo?

you'll be fine with reusing stock bolts everywhere.
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post #10 of 65 (permalink) Old 09-12-2009, 09:12 PM Thread Starter
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Re: Where to draw the line on my motor please help?

Yes, its being built right now should have it in a week or two. There HQ is 20 minutes away and my buddie is a salesman there so it works out for me. Do you have any feedback on them?
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