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http://www.machinedesign.com/ASP/viewSelectedArticle.asp?strArticleId=56599&strSite=MDSite&Screen=CURRENTISSUE


Gearheads can now get a 20 hp performance boost over stock GM LSI/LS6 engines with the first composite aftermarket manifold from Fuel-Air-Spark Technologies, Ashland, Miss. The LSX intake is injection molded from a polyphthlate (PPA) composite that is 20% stronger than nylon 6 and significantly stronger than the nylon 6/6 it replaces.

It's also 25% stiffer and less than half the weight of an aluminum version. The aftermarket manifolds reportedly will let Corvette, Camaro, and Firebird aficionados boost V8 horsepower to 380 while increasing engine torque by 15 lb-ft.

The Amodel A-6135 HSL PPA from Solvay Advanced Polymers LLC, Alpharetta, Ga., also provides better heat advantage over aluminum. As an engine heats to its operating temperature metal manifolds act as a heat sink, preheating the cylinder's intake air. This robs horsepower from the engine.

In contrast, Amodel PPA acts as an insulator, letting much cooler, denser air enter the cylinders. The result is a lighter, stronger, stiffer manifold with built in horsepower gains thanks to the material alone. The PPA is also more creep resistant than nylon so it will help thwart air leaks at the manifold/gasket interface.

The intake's three-piece construction gives hot rodders access to every inch of the manifold. The middle and upper shells can be modified letting enthusiasts customize engines with additional upgrades such as a 90-mm throttle body. Special bosses are designed into the LSX to accommodate turbo or superchargers. Burst panels attached to the bosses help prevent engine damage from nitrous backfires.

To make the LSX a true bolt-on product, Managed Programs LLC, Rochester Hills, Mich., designed it to fit under a stock hood using factory hardware, fuel lines, and linkages. The firm also redesigned the runners so air moves more efficiently increasing both airflow velocity and volume. The LSX's longer, tapered runners reportedly let it gain top end horsepower without sacrificing low-end torque needed for better drivability.
 

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DevilYellow said:
780-980 depending on the TB size ....plus the TB (if bigger than stock)

What we have the cost at is $795 for the 78mm and $875 for the 90mm...

After some minor porting, they make even more HP... :bubbrub

Ed
 

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LSX Manifold

Hey GTO Cousins, Sensational site !!

Im from Adelaide Australia and own i a Monaro (lets call it "Cousin" to the GTO). These cars are great and they offer us REV-HEADS plenty of pleasure, i know with mine i can't stop cruis'n. Sharp looks, great looking rear, two doors, LS1 Chev, neat interior, Ahhh im gettn excited !!!

Anyway back to business.

My previous engine build netted a not to shabby 417hp at the rears. The list of goodies included, Comp Cams 228/230, Yellow Terra 1.8 R/Rockers, Porthead Heads, Larger HSV Throttle Body, A decent custom exhaust, some other TLC and LS1 Edit. She drove like a beauti.

Then i got the bug !!!

Last week from the USA, i received my Lunati 395 Stroker kit with a Lunati 237/242 Split cam, Heads have been sent of for lots of TLC with 2.08 In. 1.6 Ex. I spoke with FAST (Tony) on their Manifolds and ordered a 90MM Manifold with their 90MM Throttle Body. Appartently the 90MM throttle body is very close to production. Im hoping for all this to come together in early March, i'l post some Dyno Sheets when available.

Again guys, great site.

Ciao Wayne

I hope this works, heres my toy !!
 

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Not worth it unless you're going big stroker motor on a doller vs. gain viewpoint.

The factory intake believe it or not is more than adequate for most of our needs.
 

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Aussies get license young!

PRO LS1 Monaro said:
Hey GTO Cousins, Sensational site !!

Im from Adelaide Australia and own i a Monaro (lets call it "Cousin" to the GTO). These cars are great and they offer us REV-HEADS plenty of pleasure, i know with mine i can't stop cruis'n. Sharp looks, great looking rear, two doors, LS1 Chev, neat interior, Ahhh im gettn excited !!!

Anyway back to business.

My previous engine build netted a not to shabby 417hp at the rears. The list of goodies included, Comp Cams 228/230, Yellow Terra 1.8 R/Rockers, Porthead Heads, Larger HSV Throttle Body, A decent custom exhaust, some other TLC and LS1 Edit. She drove like a beauti.

Then i got the bug !!!

Last week from the USA, i received my Lunati 395 Stroker kit with a Lunati 237/242 Split cam, Heads have been sent of for lots of TLC with 2.08 In. 1.6 Ex. I spoke with FAST (Tony) on their Manifolds and ordered a 90MM Manifold with their 90MM Throttle Body. Appartently the 90MM throttle body is very close to production. Im hoping for all this to come together in early March, i'l post some Dyno Sheets when available.

Again guys, great site.

Ciao Wayne

I hope this works, heres my toy !!
Nice picture. How old do you have to be to get your license down there? :thumbs:
 

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PRO LS1 Monaro said:
Again guys, great site.

Ciao Wayne

I hope this works, heres my toy !!
Welcome aboard Wayne, and awesome ride.

Share more pictures with us sometime. :thumbs:
 

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Hey Boys, Waynes World Australia, its was 44.3 degrees in Adelaide today (a scorcher) and it was my sons 8th Birthday he's the little Michael Schumacher in the photo. Ok Ok he hasnt got his license but he loves sideways LAUNCH CONTROL in the Monaro !!!.

You guys have a great day, keep the rpm's above 6,500, check the oil pressure and watch the water temp.

Ciao for now.

Waynes World Down Under !!!!
 
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