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Pierce intake manifold for Weber/Dellorto?  Rating:  Rating
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 Posted: 11-13-2015 10:52 am
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stevegarnjobst
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Does anyone have experience with the intake manifold offered by Pierce Manifolds for Weber/Dellorto carbs?

http://dkmac.okzks.servertrust.com/product_p/99003.907.html

It appears to be very similar to the European Dellorto manifold, but is apparently a new part. It's available on eBay for about have the price listed on the Peirce website, so pretty economical if it actually performs well.

http://www.ebay.com/itm/281771238926?_trksid=p2060353.m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT

-Steve

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 Posted: 11-17-2015 03:28 am
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Esprit2
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Steve,

The manifolds (5 available) being offered by Pierce are original NOS parts, not reproductions. The only thing is that, from the photos posted, I can't tell if it's a 907/ 912 manifold (longer runners) or a short-runner 910 manifold. For street use on a naturally aspirated engine, the long runner manifold would help produce a stronger low end of the power curve. For a motorsports engine that will see full throttle a lot, the short manifold runner is advantageous.

If you want a new manifold, the price is probably in the ball park. However, used manifolds are available from Lotusbits in the UK

Elite-Eclat: http://lotusbits.com/elite_engine.html
£40 Dellorto Intake Manifold for 907
£20 Dellorto Air Horns, set of 4
£40 Airbox, Elite & Eclat

Esprit: http://lotusbits.com/esprit_engine.html
£100 Dellorto Intake Manifold, short for 910
£150 Dellorto Intake Manifold, long for 910

J-H Part Number 93552 = Lotus P/N A907E0123Y
..................................... replaced by B907E0123Y
..................................... replaced by C907E0123Y

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 Posted: 11-17-2015 04:15 am
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stevegarnjobst
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Thanks for the info!

Interesting you should mention Lotusbits. I'm visiting their shop when I'm in the UK next week. I may have to see if Mike still has any of those manifolds on the shelf.

-Steve

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 Posted: 11-17-2015 09:45 pm
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Esprit2
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That could be cool. I've talked with Mike, but have never met him in person. He's a good guy, and seriously into motorsports. Ask him for a demo of one of his 2.5 liter stroker Lotus 912 engines... a streetable 300 Hp. He sells the parts kits, but the price will make your eyes water.

Regards,
Tim Engel

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