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Help "Supposed" Cracked Piston

 
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Old 03-22-2010, 12:57 AM
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Help "Supposed" Cracked Piston

Ok so many of u may/may not know my car has been down for some time. well the shop i took it to said i had a cracked piston n that it trashed the block. Went n talked to another shop last week about doin a swap n he told me if the piston was cracked i would visually be able to see it. Well i checked all over that dam piston and i dnt see any cracks. can anyone else see somethin maybe i cant/didnt? Piston looks to be in decent shape to me. thanx in advance
-Ivan






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Originally Posted by blaclabel1911 View Post

High rpm+boom+oil light divided by knock x stupid street racing=new engine
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Old 03-22-2010, 09:30 AM
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Re: Help "Supposed" Cracked Piston

other than what I assume is cat hair, I see no issue... but I'm no expert.

Last edited by mr_y82; 03-22-2010 at 12:25 PM. Reason: "no," not "not"
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Old 03-22-2010, 11:22 AM
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Re: Help "Supposed" Cracked Piston

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Originally Posted by mr_y82 View Post
other than what I assume is cat hair, I see not issue... but I'm no expert.


"looks" fine to me
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Old 03-22-2010, 11:23 AM
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Re: Help "Supposed" Cracked Piston

Well its actually dog hair lol but thats what i say too. Im no mechanic but i know what a crack looks like n i dnt see one. Ive researched it on google n found where craksc usually form n y w/pics.....still dont see a crack in it
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93 S F22A1 SOLD
95 Si G22VTEC R.I.P Cracked Block
Reborn 95 Si H22A

DynoJet: 188whp/168tq
Engine: NGK Plugs, NGK Blue Plug Wires, Hytech Replica Header, Vibrant Hi-Flow Cat, 3" Kteller piping, Vibrant Street Power Exhaust, AEM CAI, Exedy Stage 1 Clutch, F1 Racing 11.5lb Flywheel
External: VIS Carbon Fiber Hood, JUN eyelids, JDM Foggies
Interior: Customer suede interior, JTC wieghted shift knob, JTC short shifter, NRG qwik release hub, NRG Race Wheel

I have 3" exhaust on my lude club. Founder & CEO (PZ Division)

Quote:
Originally Posted by blaclabel1911 View Post

High rpm+boom+oil light divided by knock x stupid street racing=new engine
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Old 03-22-2010, 12:11 PM
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Re: Help "Supposed" Cracked Piston

Unless there are no Internal cracks (rare I think) they look ok!
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Old 03-22-2010, 12:27 PM
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Re: Help "Supposed" Cracked Piston

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Originally Posted by Diamond_lude View Post
Well its actually dog hair lol ...
well I stand corrected. good luck man.
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Old 03-22-2010, 03:31 PM
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Re: Help "Supposed" Cracked Piston

i see a little hair line fracture in one of the pics (not the one with the dog hair) but it shouldnt cause any probs
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Old 03-22-2010, 04:33 PM
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Re: Help "Supposed" Cracked Piston

what does the inside of the block look like, they said that it got trashed? Is this shop a machine shop? Did ur car crap out on u? sry for all the questions? It looks fine to me though man!
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Old 03-23-2010, 12:54 AM
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Re: Help "Supposed" Cracked Piston

Went to shop today pistons fine. Rings r gone but that's no issue. I looked @ block once real qwik didn't see anything major. Gonna look again tom tho n take pics. Ill keep everyone posted. But ya car sh!t out in october. HG went out n then the shop(humble Performance) said cracked piston. Now I'm going to toyspeedracing. Owners great real helpful n str8 forward. Ill post some pics I have of block when I get home.

*EDIT* Ok heres the pic i took of inside the cylinder. Im gonna get a few more tom during the day. But from what i see it looks ok.
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93 S F22A1 SOLD
95 Si G22VTEC R.I.P Cracked Block
Reborn 95 Si H22A

DynoJet: 188whp/168tq
Engine: NGK Plugs, NGK Blue Plug Wires, Hytech Replica Header, Vibrant Hi-Flow Cat, 3" Kteller piping, Vibrant Street Power Exhaust, AEM CAI, Exedy Stage 1 Clutch, F1 Racing 11.5lb Flywheel
External: VIS Carbon Fiber Hood, JUN eyelids, JDM Foggies
Interior: Customer suede interior, JTC wieghted shift knob, JTC short shifter, NRG qwik release hub, NRG Race Wheel

I have 3" exhaust on my lude club. Founder & CEO (PZ Division)

Quote:
Originally Posted by blaclabel1911 View Post

High rpm+boom+oil light divided by knock x stupid street racing=new engine

Last edited by Diamond_lude; 03-23-2010 at 01:56 AM. Reason: added pic
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Old 03-24-2010, 05:06 PM
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Re: Help "Supposed" Cracked Piston

yo that looks great
my car has been down for a long time too
i just have stupid electrical problems that i know that i didn't have when i put my new pistons in and head back on. if ur rebuilding, what kinda of budget is there. sleeve that block and get er done. ull have unlimited possibilities after that.
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Old 03-24-2010, 05:22 PM
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Re: Help "Supposed" Cracked Piston

Well that's what I thought too lol. Its @ the machine shop bein sye penetrant tested now. After I get it back I'm just gettin everything put back together so I have a runnin car. But ill be buyin forged rods/pistons n all the other parts ill need for boost. I'd like to try n be boosted by income tax time between what I save n get back =D.
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93 S F22A1 SOLD
95 Si G22VTEC R.I.P Cracked Block
Reborn 95 Si H22A

DynoJet: 188whp/168tq
Engine: NGK Plugs, NGK Blue Plug Wires, Hytech Replica Header, Vibrant Hi-Flow Cat, 3" Kteller piping, Vibrant Street Power Exhaust, AEM CAI, Exedy Stage 1 Clutch, F1 Racing 11.5lb Flywheel
External: VIS Carbon Fiber Hood, JUN eyelids, JDM Foggies
Interior: Customer suede interior, JTC wieghted shift knob, JTC short shifter, NRG qwik release hub, NRG Race Wheel

I have 3" exhaust on my lude club. Founder & CEO (PZ Division)

Quote:
Originally Posted by blaclabel1911 View Post

High rpm+boom+oil light divided by knock x stupid street racing=new engine
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Old 03-27-2010, 12:27 AM
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Re: Help "Supposed" Cracked Piston

Got it back from machine shop today....piston checked out fine. IN great shape
__________________
93 S F22A1 SOLD
95 Si G22VTEC R.I.P Cracked Block
Reborn 95 Si H22A

DynoJet: 188whp/168tq
Engine: NGK Plugs, NGK Blue Plug Wires, Hytech Replica Header, Vibrant Hi-Flow Cat, 3" Kteller piping, Vibrant Street Power Exhaust, AEM CAI, Exedy Stage 1 Clutch, F1 Racing 11.5lb Flywheel
External: VIS Carbon Fiber Hood, JUN eyelids, JDM Foggies
Interior: Customer suede interior, JTC wieghted shift knob, JTC short shifter, NRG qwik release hub, NRG Race Wheel

I have 3" exhaust on my lude club. Founder & CEO (PZ Division)

Quote:
Originally Posted by blaclabel1911 View Post

High rpm+boom+oil light divided by knock x stupid street racing=new engine
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