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> SS heat exchanger question:, More hp/torque?
Cevan
post Sep 27 2007, 01:55 PM
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My '75 1.8 has the stock, non-SS heat exchangers with a Bursche exhaust. The motor has 55,000 miles on it and runs strong. I've gleened from other posts that SS HE's flow better and help the engine produce more power.

I'm wondering what one could expect, in terms of increased hp/torque from replacing my exhaust with SS HE's. At some point I'd like to rebuild a 2.0 for a little boost in HP, so they could be transferred to that motor. I'm guessing I'd also need a different exhaust and all the plumbing from the HE to the car.
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Chris Pincetich
post Oct 4 2007, 12:14 PM
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When I switched to SSHEs on my 1.7 I noticed a little extra uummph, but what was more noticeble was the extra noise and heat. The steel is much thinner on the SS jackets and they don't muffle the sound as well as OEM steel. The SSHEs are also 10-20 lbs lighter which could be another reason they seem to give more GO feel.

Later, I switched to headers. No heat, way louder, and WAY faster (IMG:style_emoticons/default/biggrin.gif)

If you're interested in having a complete set of 1.7/1.8 style SSHEs, OEM 1.7 banana muffler, all heater ducting shipped to you for a reasonable price, send me a PM. I had them for sale in the classifieds last month, but no bites (IMG:style_emoticons/default/beerchug.gif)
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mudfoot76
post Oct 4 2007, 02:25 PM
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QUOTE(ChrisNPDrider @ Oct 4 2007, 02:14 PM) *

The SSHEs are also 10-20 lbs lighter which could be another reason they seem to give more GO feel.


My stockers were leaking CO, so I eventually found replacement SSIs (I have a 2.0L) and noticed the difference too, which I attribute mostly to weight. Adding lightness, plus maybe 1-2HP does make a noticable difference. But mostly I like not being poisoned by my car when it is cold out.
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