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Volvo RWD 140-160 Forum

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performance exhaust 140-160

Hello,

I'll ship out an intake and heat shield tomorrow. Don't worry about shipping since it's made out of light aluminum.

If you were interested in the car's performance as-is, I might encourage you to retain the existing setup as the one piece manifold is designed to maximize warm-up in colder climates. However, the intake\exhaust manifold combo is heavier, has an extra set of "throttle plates", and has passages that Road & Track described as "torturous". 1970 stock is certainly not the ideal setup if you're looking for more power.

In regards to carbs, at one point I shelled out lots of cash to have my old Stombergs rebuilt and the stock car runs well on a perfectly tuned set. The problem with them is that they do not stay in tune for long and do not readily adapt to performance changes in other areas of the engine\exhaust. I noticed very little from my upgrades until I switched out the Strombergs for SUs. I think even converting to the Weber DGV would be a better choice. Rhys (a great contributor) from S.U.'s only, or Joe Curto, or www.ztherapy.com are all super resources if you wish to research carb conversions further.

It's great that most of the stuff you've got to replace should prove easy and straightforword. All except that heater. That's a bear or a job you should plan a weekend around. And ongratulations on finding a BW35 in good shape. Those are hard to come by.

Good luck!






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New performance exhaust [140-160]
posted by  joe 70 142  on Wed Sep 12 17:00 CST 2007 >


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