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Josh Blackburn

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algar
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PostPosted: Sat Dec 08, 2012 4:33 pm    Post subject: Josh Blackburn Reply to specific post Reply with quote

What is the largest stroke crank for a 48 A that is semi reliable? What is the cost?
 
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Josh Blackburn
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PostPosted: Sat Dec 08, 2012 5:07 pm    Post subject: Re: Josh Blackburn Reply to specific post Reply with quote

9 inch with 3 inch pin would be very reliable. Longevity of 8-10 years typically. 1400 includes crank flywheel and driver balancing
 
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algar
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PostPosted: Sat Dec 08, 2012 5:14 pm    Post subject: Re: Josh Blackburn Reply to specific post Reply with quote

what is the largest bore I can go with a stock block
 
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Josh Blackburn
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PostPosted: Sat Dec 08, 2012 5:16 pm    Post subject: Re: Josh Blackburn Reply to specific post Reply with quote

Depends what year and which block used
 
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algar
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PostPosted: Sat Dec 08, 2012 5:33 pm    Post subject: Re: Josh Blackburn Reply to specific post Reply with quote

48
 
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Josh Blackburn
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PostPosted: Sat Dec 08, 2012 5:43 pm    Post subject: Re: Josh Blackburn Reply to specific post Reply with quote

5.75 will be max reliably. 468 cube. Mid 80's for hp
 
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Bradracer18
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PostPosted: Sun Dec 09, 2012 4:07 am    Post subject: Re: Josh Blackburn Reply to specific post Reply with quote

Josh-

I still have not found time to call you, been very busy at work and on the farm before weather hits. I'm still interested. Do you also do the work besides the crank (ie: head, pistons, rods, etc etc)??
 
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Josh Blackburn
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PostPosted: Sun Dec 09, 2012 6:36 am    Post subject: Re: Josh Blackburn Reply to specific post Reply with quote

I do 90% of the work myself. When it comes to billet rods and
pistons I will contact some others I know who make a nice
product. I build my own Cranks, welded rods, carbs, heads,
cams, and etc
 
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JD A Puller 51
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PostPosted: Sun Dec 09, 2012 8:28 am    Post subject: Re: Josh Blackburn Reply to specific post Reply with quote

Josh - What would the HP be with a PB bored to 6.125. Thanks
 
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showcrop
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PostPosted: Sun Dec 09, 2012 8:52 am    Post subject: Re: Josh Blackburn Reply to specific post Reply with quote

Josh Blackburn wrote:
(quoted from post at 18:43:46 12/08/12) 5.75 will be max reliably. 468 cube. Mid 80's for hp


School me a little here, just curious about why build a 468 cube A when As frequently pull against Gs which can run 825 cubes?
 
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Buster R
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PostPosted: Sun Dec 09, 2012 9:53 am    Post subject: Re: Josh Blackburn Reply to specific post Reply with quote

Just Recieved B parts form Josh great job on everything!! Crank amazing job rods same all around GREAT Job!! Highly recommend for all u guys building a 2 cylinder!! And mostly quailty and spot on when he gives u a time frame. Already sent all my G parts to him day after got B parts back! Thanks Josh keep up the Good Work
 
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Josh Blackburn
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PostPosted: Sun Dec 09, 2012 10:42 am    Post subject: Re: Josh Blackburn Reply to specific post Reply with quote

Around here it takes a 470 cube a to run in antique classes.
Good tracks and good competition.
 
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Josh Blackburn
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PostPosted: Sun Dec 09, 2012 10:43 am    Post subject: Re: Josh Blackburn Reply to specific post Reply with quote

Last A I did that size with cyclone head made 99 hp on Dyno at 600 pto speed. Runs really strong.
 
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Bradracer18
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PostPosted: Sun Dec 09, 2012 1:05 pm    Post subject: Re: Josh Blackburn Reply to specific post Reply with quote

Sounds good Josh, exactly what I'd like to hear and your review above sounds great to me. I like to hear good results and on time delivery! I really don't know what it will take as far as cubic inches to be competitive, nor do I have any idea as to the amount of money its going to take. I'm not sure if you are reworking my head, or need a whole new one. Same with carb. I guess I've got a lot of variables that I'm not sure on that sometime I'll need clarified as best as possible.
 
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Josh Blackburn
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PostPosted: Sun Dec 09, 2012 1:51 pm    Post subject: Re: Josh Blackburn Reply to specific post Reply with quote

Brad give me a call. Always best to talk rather than type.
9892775366
 
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