Forced Induction Superchargers | Turbochargers | Intercoolers
View Poll Results: How many have blown their engine after going with forced induction?
Yes, I'm a greedy boost addict and blew my short block, ie pistons, crank, etc.
25
40.98%
I was lucky and only blew the head gaskets, the block was O.K.
5
8.20%
I'm conservative and or tune savvy and have not hurt my precious engine
31
50.82%
Voters: 61. You may not vote on this poll

How many have blown their motor after going with forced induction?

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Old 10-25-2006, 07:16 AM
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Default How many have blown their motor after going with forced induction?

I see people pop in here from time to time thinking about forced induction, sometimes on a tight budget. This info would give them one more thing to consider before taking the leap. I'm also curious to see what the numbers would be.
Old 10-25-2006, 09:08 AM
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I'm not tune-savvy (Tuned by Revxtreme), but I am conservative, not in my driving style but in how often I drive it (Once every week or two).

Drove it like that for a year, didn't blow it, and sold my stock motor for a good price to help pay for the new one.
Old 10-25-2006, 09:10 AM
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In the last 2 years I've probly replaced 4 motor's blown by FI.2 of them cracked the liner's top-bottom.
Now,Nitrous cars is another story.A ton of blown pistons
Old 10-25-2006, 09:12 AM
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theres nothing for me!...im boost greedy, but run a good tune, and still havent blown up my stock shortblock on 15 psi
Old 10-25-2006, 09:34 AM
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I had an 75k mile stock bottom that generated crankcase pressure once I started applying boost; since it was going to have to be rebuilt I figured I'd just get a new forged setup for a bit more $$.

So, technically, not blown up... but pretty close.
Old 10-25-2006, 10:49 AM
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I was suprised a how easy it was to melt #7 piston. It crackled a little at the shift points and that was all it took. After going forged I ran once and my meth pump took a ****, I picked up at least as much detonation as I did when I blew the stock pistons but the forged slugs held up fine. The stock pistons are not very forgiving.
Old 10-25-2006, 11:15 AM
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Originally Posted by Slowhawk
In the last 2 years I've probly replaced 4 motor's blown by FI.2 of them cracked the liner's top-bottom.
Now,Nitrous cars is another story.A ton of blown pistons

just out of curiousity.... when you blew your nitrous pistons... what was it from... too lean or too rich...

also when you blew your FI motors what was it from... too lean or too rich?

just curious... thanks,

Tyler
Old 10-25-2006, 01:17 PM
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I blew mine, but that was Nitrous on top of FI.
Second time same thing.

On my 2nd rebuild
Old 10-25-2006, 02:17 PM
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C5R 427, LS7 heads, Procharger F1C. 773 RWHP at only 8 PSI. Haven't busted anything yet.
Old 10-25-2006, 03:40 PM
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^ Jesus, what CR?
Old 10-25-2006, 03:41 PM
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Damn, more people with blown motors than I thought... Truly, this is worse than a gambling addiction. DAMN FI!!!
Old 10-25-2006, 03:53 PM
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it takes brains to combine a proper setup and tune it right. then the rest is up to you... shift too late and goooooooodbye stock bottom end.
Old 10-25-2006, 04:07 PM
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So far so good....No signs of anything wrong, and I wouldnt say I'm conservative.
Old 10-25-2006, 04:12 PM
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Originally Posted by marco427
C5R 427, LS7 heads, Procharger F1C. 773 RWHP at only 8 PSI. Haven't busted anything yet.

the better flowing heads and bigger Cubic inches you have the less PSI it takes to make big HP.... IE theres more room for air to go in the cylinders... so it doesnt have to CRAM in there as hard as a motor thats a 346 with stock heads... even though it uses the same cubic feet of air...
Old 10-25-2006, 06:00 PM
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Broken ringlands # 5 & 7 on stock bottom. Ran the hell out of it afterwards beating the **** out of it for months. Didn't explode. I had to force myself to go forged somehow. So Yes.
Old 10-25-2006, 06:02 PM
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spun #6 crank bearing

it was not really a boost issue more of an oil pressure issue...made way worse by boost
Old 10-25-2006, 09:47 PM
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ive done all three, more than once for each. to find the limit you gotta pass it then back up a little
Old 10-25-2006, 09:49 PM
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Lifted #7 ringland and cracked two piston walls...
Old 10-26-2006, 12:24 AM
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And to TY-TY13, NO, you won't find anybody here that blew the motor from running too rich either. Your thread in the pcm section is just silly.
Old 10-26-2006, 01:40 PM
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Originally Posted by gametech
And to TY-TY13, NO, you won't find anybody here that blew the motor from running too rich either. Your thread in the pcm section is just silly.
thank you for your answer


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