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06-01-2009, 02:26 PM
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#11
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Graphics B*tch
Join Date: Dec 2006
Posts: 2,197
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Quote:
Originally Posted by big_G
BTW, if you're still not using an inter-cooler, detonation is likely the reason. I can't hear any on mine...but reading the spark plugs told me I had occurrences of detonation.
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I agree, I think most if not all forced induction set-ups should have an inter-cooler.
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Adam
'13 Ford Fusion SE (2.0L EcoBoost)(Conor)
'03 Zinc Yellow Mach 1(Yazmine)
290HP / 305TQ
1/4 mile ET: 13.28 @ 101MPH (1.867 60')
'99 White F-150 (4.6L)(Bud Jr.)-gone but never forgotten
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06-01-2009, 03:04 PM
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#12
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Senior Member
Join Date: Mar 2008
Posts: 209
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You don't need the high-buck ProCharger intercooler. search the internet. I bet the plumbing costs more than the intercooler. BTW, on my last dyno run, we hit >18 lbs. boost and the motor didn't even flinch...lol. Still waiting for my Comp. cam...been on order for over a week...  |
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06-01-2009, 03:12 PM
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#13
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I, Vettezuki
Join Date: Feb 2006
Posts: 14,754
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I was always under the impression that if you can "hear" detonation, you are into potentially dangerous territory alreayd. Alsmot a case of too late. Ideally you want knock sensors (available for GenI SBCs???) to pick that crap up and pull timing long before you can hear them, especially considering open exhausts and other combustion violence.
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06-01-2009, 06:18 PM
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#14
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Super Moderator
Join Date: Dec 2007
Posts: 6,850
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I couldn't nor have I ever heard detonation, and I do have a knock sensor. But because of my fatty cam it says that I knock as early as 1500rpm under ligth throttle with the sensitivity all the way down. Need to get my Dad to design a circuit to get this thing to work right.
Big G, way ahead of you. Already searching E-Bay.
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I <3 forced induction.
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06-01-2009, 07:37 PM
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#15
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Senior Member
Join Date: Mar 2008
Posts: 209
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Quote:
Originally Posted by enkeivette
I couldn't nor have I ever heard detonation, and I do have a knock sensor. But because of my fatty cam it says that I knock as early as 1500rpm under ligth throttle with the sensitivity all the way down. Need to get my Dad to design a circuit to get this thing to work right.
Big G, way ahead of you. Already searching E-Bay.
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Make sure you can get CFM flow on the intercooler before you buy. You need at least 1,400. I used to design that chit so many years ago the parts are obsolete. LOL |
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06-04-2009, 08:20 PM
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#16
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Super Moderator
Join Date: Dec 2007
Posts: 6,850
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I <3 forced induction.
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06-05-2009, 09:09 AM
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#17
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Fast & Filthy
Join Date: Jun 2008
Posts: 3,840
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Quote:
Originally Posted by enkeivette
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You need to pull all the pistons and check them. When mine broke like that I had two other pistons that were cracked between the ring lands that you couldn't see. I'd hate for you to go through all this and have it happen again. |
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06-05-2009, 09:19 AM
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#18
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Neanderthal
Join Date: Mar 2008
Posts: 5,320
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Quote:
Originally Posted by 94cobra69ss396
You need to pull all the pistons and check them. When mine broke like that I had two other pistons that were cracked between the ring lands that you couldn't see. I'd hate for you to go through all this and have it happen again.
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Yea, I thought I had only one piston with blown ring lands (that I could see). I pulled the rest and found 3 more. 
You know now that we told you this and you pull the rest--there will not be any more blown pistons. If you don't pull the rest out, you'll have at least 3 more blown pistons. It's a Catch 22.
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64 Vette Roadster 400 ci
1990 F150 351 ci SuperCharged
48 Harley Pan Head 76 ci
2016 Nissan Altma
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06-05-2009, 12:25 PM
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#19
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Super Moderator
Join Date: Dec 2007
Posts: 6,850
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Quote:
Originally Posted by BRUTAL64
Yea, I thought I had only one piston with blown ring lands (that I could see). I pulled the rest and found 3 more.
You know now that we told you this and you pull the rest--there will not be any more blown pistons. If you don't pull the rest out, you'll have at least 3 more blown pistons. It's a Catch 22. |
Good thing I logged on, was just about to place an order with Summit.
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I <3 forced induction.
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06-05-2009, 12:41 PM
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#20
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Neanderthal
Join Date: Mar 2008
Posts: 5,320
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Quote:
Originally Posted by enkeivette
Good thing I logged on, was just about to place an order with Summit.
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Any time you have detonation like this, it can affect bearing crush. You may want to consider changeing all the rod bearings. Just a thought. Hate to see you put this together and then spin a rod bearing.
If you want to see how detonation effects bearings; take a ball peen hammer (round end) and hit a bearing right in the middle.
__________________
64 Vette Roadster 400 ci
1990 F150 351 ci SuperCharged
48 Harley Pan Head 76 ci
2016 Nissan Altma
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