Opinions on front iron reuseability
4 Attachment(s)
I have a front iron for an S4 turbo II engine that I'm trying to rebuild. Upon cleaning and inspection I noticed that the coolant seal groove on part of the engine seems to be pretty rough, I was hoping to get opinions on whether it is useable, repairable, or junk. I have also noticed some pitting in the bottom of the groove in this, and my other irons, it this cause for concern? Pictures to follow.
Thank you, -Tyler Photo 1 Attachment 629237 Photo 2: Attachment 629238 Photo 3: Attachment 629239 Photo 4: Attachment 629240 |
I'm not a pro engine builder, but IMO, that iron looks useable
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you could get a Dye Penetrant kit, and look for hidden cracks along the inner water seal groove. My next rebuild will be inspected that way.
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Thank you for the replies. I'll look into that dye testing kit. I'll plan on reusing this iron then. I have read a few comments indicating that the use of non-OEM water seals may be beneficial when the coolant seal groove is not perfect. I'd be interested to hear if there are any further opinions, or comments on this.
Thank you, -Tyler |
Not a builder, but I wouldn't be so worried about the pitting on the floor of the grooves as the wall.
As for after-market coolant seals, after checking with a lot of people whose opinions I respected, I stayed with OEM on mine some years back. While the Teflon seals had some characteristics that might be beneficial, seems they can be a whore's nightmare to install without twisting/kinking/pinching. YRMV |
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The wall of this iron was my primary concern. The pitting on the floor of the channel was a secondary concern. As of now I plan to use OEM seals, but if there's a chance to reduce the risk of seal failure from the plate erosion I would be willing to switch.
Thank you all again for the feedback. |
Originally Posted by neit_jnf
(Post 11883301)
-Tyler |
I personally wouldn't use the iron in the 1st picture. Even with coolant seal "savers". I dislike tearing down low mileage engines due to water seal failure a few months after install.
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Originally Posted by Aaron Cake
(Post 11884625)
I personally wouldn't use the iron in the 1st picture. Even with coolant seal "savers". I dislike tearing down low mileage engines due to water seal failure a few months after install.
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Post pictures of the dinged replacement.
A NEW front housing is going to be very expensive, but there is no real issue to using it in combination with good used irons. It will likely be a lot more economical to purchase a good used replacement. |
3 Attachment(s)
Originally Posted by Aaron Cake
(Post 11885081)
Post pictures of the dinged replacement.
A NEW front housing is going to be very expensive, but there is no real issue to using it in combination with good used irons. It will likely be a lot more economical to purchase a good used replacement. If I can reuse one of these front irons safely, then I may try to purchase a newer reinforced rear iron to replace the S4 iron I have currently. While still expensive, I can get them for a better price through the mazdacomp program it looks like. Thank you all for your input on this. -Tyler Attachment 628770 Attachment 628771 Attachment 628772 |
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