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Engine build, Yep More questions

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2savage4you

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« on: November 14, 2007, 10:48:25 AM »
Everyone knows i am now a proud owner of a BBF 460  ;D  And i want to build it right. I have been doing nothing but searching for pistons and i think it would be a big help if i got some input from you guy's here.
 
 I dont want to go wild just mild and i know there is ALOT of people here who have built there own engine's for pleasure and racing and a combination of both for some people.

 I have been looking at Aluminum Hyperteutectic (sp)
 Forged And Keith Black Hyper pistons, Now it leaves me alittle confused with so much to choose from. What would be a good suitable piston for a basic pleasure/ski boat?

H Beam or I beam rods are they neccessary for a rebuild or will the stock rods be sufficient for about 5Krpm max with ARP bolts.

 Now for a good cam, I think i will only be about 8-1to 9-1 max on compression and i would like something alittle more than a rv/marine cam or am i asking to much ???

So if you guy's think you are baby sitting me with this build

You are ;D and im not done asking questions

So get used to it cause i dont want to phuck up ;)

Thanks,

2sav


pw_Tony

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« Reply #1 on: November 14, 2007, 10:59:04 AM »
Steve,

 I have run the Keith Black hyperietectic(sp?) in two motors and they both worked great, and never had problems. Even oone of them ran nitrous for a bit and didn't show any damage.

 Stock rods are fine in a low HP application, not over 500hp. Especially only turning 5000-5200rpm.

 Everyone has different opinions on cams. I am going to run one of those Comp "Thumper" cams, I actually might lose a little power, but they sound so damn good  ;D

Low RPM= low duration on the cam shaft. You could probably get away with a little more compression. What are you going to do with the heads? You could polish the chambers and detail the top of the pistons and probably get away with 10:1 on 91octane(long as it's not arco  ;) )


GlassCutter

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« Reply #2 on: November 14, 2007, 11:06:56 AM »
Consider E-brock heads.  Aluminum is good for another point of compression usually.
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« Reply #3 on: November 14, 2007, 11:29:38 AM »
Consider E-brock heads.  Aluminum is good for another point of compression usually.
if your going to spend 1,800 on heads there are far better heads on the market, and for that i would buy a stroker kit, and port my d3's. thats what i did and it ran great

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2savage4you

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« Reply #4 on: November 14, 2007, 11:34:01 AM »
I really dont want to buy heads,  i like the D3's. Im just looking for a good set of pistons to start the build with ;D  And take it from there.


2sav

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« Reply #5 on: November 14, 2007, 01:22:40 PM »
The first thing you need to do is have the block bored, yes I know the jack ass at the machine shops here in town want the pistons when they do it, but you have no idea what they need to bore it to. Then again they could even make a mistake while boring like .008 too big and you will be stuck with .030 pistons. So lets take the block to be bored and then deal with pistons.


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« Reply #6 on: November 14, 2007, 01:24:59 PM »
Everyone knows i am now a proud owner of a BBF 460  ;D  And i want to build it right. I have been doing nothing but searching for pistons and i think it would be a big help if i got some input from you guy's here.
 
 I dont want to go wild just mild and i know there is ALOT of people here who have built there own engine's for pleasure and racing and a combination of both for some people.

 I have been looking at Aluminum Hyperteutectic (sp)
 Forged And Keith Black Hyper pistons, Now it leaves me alittle confused with so much to choose from. What would be a good suitable piston for a basic pleasure/ski boat?

H Beam or I beam rods are they neccessary for a rebuild or will the stock rods be sufficient for about 5Krpm max with ARP bolts.

 Now for a good cam, I think i will only be about 8-1to 9-1 max on compression and i would like something alittle more than a rv/marine cam or am i asking to much ???

So if you guy's think you are baby sitting me with this build

You are ;D and im not done asking questions

So get used to it cause i dont want to phuck up ;)

Thanks,

2sav

You could alway mirror my family performance build as that is what I am going to be doing.

2savage4you

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« Reply #7 on: November 14, 2007, 01:32:40 PM »
The first thing you need to do is have the block bored, yes I know the jack ass at the machine shops here in town want the pistons when they do it, but you have no idea what they need to bore it to. Then again they could even make a mistake while boring like .008 too big and you will be stuck with .030 pistons. So lets take the block to be bored and then deal with pistons.

 They have already seen the block  and it was discussed that we go .030 over. This is not the first time i have dealt with this maching shop, They have done a few of my blocks and always ask that i have the pistons on hand.  I have already talked to him about clearance issue's and im comfortable with it. If it happens it happens, didnt you just go through this with your machine shop?


2sav

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« Reply #8 on: November 14, 2007, 01:44:43 PM »
Actually it was the machine shop in town, near where Shirleen had her accident, that over bored a .030 job.

2savage4you

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« Reply #9 on: November 14, 2007, 01:51:48 PM »
Actually it was the machine shop in town, near where Shirleen had her accident, that over bored a .030 job.

Was talking about your 429 that you had in the Havasu machine shop ;)

Im still going to Bullhead machine like i said before im happy with his work.

2sav

pw_Tony

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« Reply #10 on: November 14, 2007, 01:53:39 PM »
You guys are worse than the Flavor of Love girls  ;D

2savage4you

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« Reply #11 on: November 14, 2007, 02:01:14 PM »
You guys are worse than the Flavor of Love girls  ;D


I can see me asking for advice is going into the gutter here ;)


2sav

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« Reply #12 on: November 14, 2007, 02:06:43 PM »

I can see me asking for advice is going into the gutter here ;)


2sav
No not at all, after they bore the block they need to hone it to the desired piston to walll clearance. This is very important step in any build. Pistons are not needed for boring just for honing.

2savage4you

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« Reply #13 on: November 14, 2007, 02:20:42 PM »
Anyway's im buying pistons first!


2sav

Ralph Brunt

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« Reply #14 on: November 14, 2007, 02:25:45 PM »

I can see me asking for advice is going into the gutter here ;)


2sav
i allways send pistons with the block,
just follow jims advice, he is close to you and knows what he's doing

CHEAP, FAST, RELIABLE...PICK 2 CANT HAVE ALL 3
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They are all fukin tasty. My long time favorite, "Dirty Dicks -beerjet-
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