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Old 01-19-2013, 05:27 PM   #224
JustJeff
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I have gotten myself confused while checking my irons for warpage. I'm confused about the difference between checking for warpage and checking for step wear.

Warpage tolerance is 0.0016
Step wear tolerance is 0.003

Doesn't that mean there are areas on the combustion surface where step wear tolerance is higher/greater than warpage tolerance? I check my tolerance for warpage per the FSM at 4 points. Once I get into oil seal wear area there is an even greater tolerance(0.0008) and my 0.0015 feeler can slide under my straight edge. I'm also taking the straight edge across areas other than the 4 pts in FSM and finding some variations. Can someone help clarify.

Also does anyone know if the Pineapple Racing streaming videos are down? I used them for my previous rebuild and they were incredibly helpful. I sent them an email today but I expect I won't get a response till Monday.

Last question for this post. With that damage on the front iron on the rough, non-combustion area but then extending into oil ring area and possibly into side seal area.

What will the be the result of using that iron on the engine. I'm not seeing any irons for sale and am considering using the iron?
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1990 Vert/ S5-JDM 13BT (rebuilt but with issues I'm working out). Rtek N370 1.7, 550/800 injectors, FD fuel pump, RB REV TII exhaust, Tein springs and Illuminas
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