Forced Induction Superchargers | Turbochargers | Intercoolers

370/F1A round 2

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Old 09-02-2015, 08:55 PM
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Originally Posted by oscs
Your alright man. I should have been more specific. When I'm talking four digits I'm talking 1300WHP range the (middle ground) if you will.
Yeah, its not going to make that unless I have a 300 shot on top of the blower
Old 09-03-2015, 01:05 AM
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Glad it's back together.
Old 09-03-2015, 09:41 AM
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We live in a fantastic age for modifying cars when 1300 horsepower is considered the "middle ground".

The ever-growing number of successful junkyard turbo builds have made 1000hp almost commonplace. It's kind of scary.

It's not scary how much power is being made. And it's not scary how easily you can make the power. What's scary is how many people are going from 250hp docile vehicles and stepping into 1000hp cars they built in the garage. With no learning curve. It's scary thinking about how many people have these monsters on the road without the experience to properly handle it. Or the fact that people throw 1000hp motors into 50 year old cars without a second thought to the fact that the car was never supposed to see that sort of power or the speeds that come with it. That's what's scary.

Anyways, we were talking about the abuse of a supercharger on the crank, which is significant, and now a 300 shot was brought into the mix? The only way to be more abusive to your crankshaft than a belt driven blower already is, would be to spray it on top of the blower.

It's as if we actually hate the cars we build. We resent spending money on a good crankshaft, so we try "get our money's worth" out of it, which is actually only an attempt to justify consciously trying to break it.

The box says it's good for over 1000, huh? Let's see how much "over"... That's almost direct sabotage. Literally trying for failure.

And it's awesome.
Old 09-03-2015, 12:54 PM
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It would be nice if the stock stroke made in USA stuff was more available. I went with a 3.75" because it's the shortest I could find that was in stock and waited 2 months to get the billet reluctor wheel installed. Crankshafts and cylinder head work wait times ruin the whole build process.
Old 09-03-2015, 02:31 PM
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Originally Posted by DavidBoren
We live in a fantastic age for modifying cars when 1300 horsepower is considered the "middle ground".

The ever-growing number of successful junkyard turbo builds have made 1000hp almost commonplace. It's kind of scary.

It's not scary how much power is being made. And it's not scary how easily you can make the power. What's scary is how many people are going from 250hp docile vehicles and stepping into 1000hp cars they built in the garage. With no learning curve. It's scary thinking about how many people have these monsters on the road without the experience to properly handle it. Or the fact that people throw 1000hp motors into 50 year old cars without a second thought to the fact that the car was never supposed to see that sort of power or the speeds that come with it. That's what's scary.

Anyways, we were talking about the abuse of a supercharger on the crank, which is significant, and now a 300 shot was brought into the mix? The only way to be more abusive to your crankshaft than a belt driven blower already is, would be to spray it on top of the blower.

It's as if we actually hate the cars we build. We resent spending money on a good crankshaft, so we try "get our money's worth" out of it, which is actually only an attempt to justify consciously trying to break it.

The box says it's good for over 1000, huh? Let's see how much "over"... That's almost direct sabotage. Literally trying for failure.

And it's awesome.
Never said I was putting a 300 shot on it. Reread the posts.
Old 09-03-2015, 02:33 PM
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Originally Posted by RonA
It would be nice if the stock stroke made in USA stuff was more available. I went with a 3.75" because it's the shortest I could find that was in stock and waited 2 months to get the billet reluctor wheel installed. Crankshafts and cylinder head work wait times ruin the whole build process.
One of the biggest deciding factors of me going with the k1. When I talked to Callie's they said it would be 3 months at best to get a dragon slayer, most likely longer.
Old 09-03-2015, 02:40 PM
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Originally Posted by Detoxx03
Glad it's back together.
Thanks brother, me too. Just hope it stays that way.
Old 09-03-2015, 02:59 PM
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Originally Posted by speedfreak2685
One of the biggest deciding factors of me going with the k1. When I talked to Callie's they said it would be 3 months at best to get a dragon slayer, most likely longer.
Damn near impossible to find a good in stock, Stock stroke crank.. The 408 craze has taken up all the shelf space.
Old 09-03-2015, 03:11 PM
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I understand that you never said you planned on spraying the 300 shot, but it was brought up. And I was just making an observation that a crank driven blower and a large pill of nitrous is about as abusive to the crank as you can possibly get.

As for your results, old vs new, I would have thought the new heads would have given you a little more. Still fantastic numbers, though.
Old 09-03-2015, 03:30 PM
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Originally Posted by DavidBoren
I understand that you never said you planned on spraying the 300 shot, but it was brought up. And I was just making an observation that a crank driven blower and a large pill of nitrous is about as abusive to the crank as you can possibly get.

As for your results, old vs new, I would have thought the new heads would have given you a little more. Still fantastic numbers, though.
Oh jeez, good observation I guess. No nitrous is being used on this build either way. For the record no "new" results were made.
Old 09-04-2015, 09:39 PM
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Good to see it coming back together, hope round 2 works better for you.
Old 09-06-2015, 01:51 PM
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Originally Posted by conan
Good to see it coming back together, hope round 2 works better for you.
Thanks brother. All seems well so far. It still had the tune in the carrier from the previous setup so ive been driving it a good bit and getting into boost a little while watching afr ect. After about 200 miles I changed the break oil and there was no metal in the filter and no chunks in the oil. Much different than the last time haha. Only a light metallic dusting this time around. I think all is well so far.
Old 09-13-2015, 11:41 PM
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Well this was a good read. Im putting a 6.0 together for a F1A in the future. Although im not going to go anywere near that 900 range for now... aftermarket crank seems like a good investment in the long run.
Old 09-14-2015, 11:17 AM
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Default 370/F1A round 2

Op what tire size are you running? Im in the middle of a similiar build a 403 with a f1a max psi im going to run is 18 pounds tho. I have a 26 inch tire on the car now with a t56 with stock gearing. Im spinning mine to 6800 also
Old 09-20-2015, 07:52 PM
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Originally Posted by NnOoSsSs
Well this was a good read. Im putting a 6.0 together for a F1A in the future. Although im not going to go anywere near that 900 range for now... aftermarket crank seems like a good investment in the long run.
Yes, do not put a stock crank in it!
Old 09-20-2015, 07:53 PM
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Originally Posted by SStressin
Op what tire size are you running? Im in the middle of a similiar build a 403 with a f1a max psi im going to run is 18 pounds tho. I have a 26 inch tire on the car now with a t56 with stock gearing. Im spinning mine to 6800 also
295/50/15 MT radial
Old 09-21-2015, 06:34 AM
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Good to see you are back up and running. Bob
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Old 09-22-2015, 11:03 PM
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Get those break in miles down yet?
Old 09-23-2015, 10:15 PM
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Originally Posted by Bob@BruteSpeed
Good to see you are back up and running. Bob
Thanks man, glad to be back
Old 09-23-2015, 10:22 PM
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Originally Posted by SCott5
Get those break in miles down yet?
I've got 300 miles on it and 2 oil changes. I drained the break in oil out at 200 miles and put some regular oil in for another 100 miles to "clean it out". it had more metallic dust in the drained oil but drain plug and oil filter were as clean as can be. Hopefully this one is fine. The metal dust the second change worries me a little but nothing i can do now. Either way, its got fresh VR1 oil in it now and getting dropped off Monday to get tuned.

Anyone have any insight on the metallic dust in the oil still? Normal? I haven't exactly been easy on the motor. No big chunks. Just super fine glitter. Its supposed to have coated race bearing in it this time for what its worth.


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