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has any one doubled up on side seal springs?

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Old 06-28-15, 08:57 PM
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imitek

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has any one doubled up on side seal springs?

And what would be the benefit and downside to this
I'm awaiting my assembly to be balanced and was thinking about this any advice would help thanks
Old 06-29-15, 06:34 PM
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imitek

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Guess not then
Old 06-30-15, 09:17 AM
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people have done it, it doesn't work. if you can get the engine together, it'll ruin it
Old 06-30-15, 02:36 PM
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Tony Stewart Killer.

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Common sense would say that you can't do that.
Old 06-30-15, 02:49 PM
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The problem is Racing Beat says you can in their old tech tips...
Old 06-30-15, 03:21 PM
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Originally Posted by BLUE TII
The problem is Racing Beat says you can in their old tech tips...
Rotary Tech Tips: Engine Seals

"we have found that using (2) side seal springs (one on top of the other) helps stabilize the rotor and keeps the side seals on the side housing. The only drawback is more friction - particularly during break-in - and slightly higher oil temperature. Remember to keep the ends of the side seal springs "up" when installing them. For the RX-8, do NOT use (2) springs beneath the RX-8 side seals - there isn’t enough room!"
Old 06-30-15, 03:33 PM
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Since when do you need to improve 'rotor stabilization' and how can you quantify that in any way?

In the past ten years I've torn down two different engines from a now-closed shop that had done this, and guess what? The ends were broken off the side seal springs.

A horrible idea, and a bad 'solution' to a problem that doesn't exist, at least not in the FD's engine.
Old 06-30-15, 04:37 PM
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What Rich is trying to say is, it's like wearing two condoms together.
Old 06-30-15, 05:30 PM
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The big shops don't know how to port either. All their side port templates catch the end of the top sideseal and wear it and the iron.

They just all found something that worked "well enough" for them and stuck with it.
Old 07-01-15, 11:24 AM
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imitek

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Thanks for the info guys
Has any of you guys done it ?

So guessing it's not common practise then
Old 07-01-15, 01:55 PM
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Originally Posted by imitek
Has any of you guys done it ?
yes! it does not work do not do it.
Old 07-01-15, 04:44 PM
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Yes. Premature iron wear. Don't do it!!
Old 07-03-15, 09:59 AM
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imitek

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Thanks guys for all info will build with just the single set of springs thanks very much for all input very helpfull
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