Fast L92 intake flop??
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From: Kannapolis, NC
Fast L92 intake flop?? Heard from a good source that Fast has tested their new L92 intake and it did not work. Don't know exactly what went wrong but not what they expected. Anyone else hearing anything about these intakes yet? Might have to find someone to port the L76 intakes. Fast please say it ain't so. I know alot of people are waiting on this design.
Hmm.... Lots of people are waiting on that intake manifold. The cathedral port FAST tood advantage of a raised runner and a straighter shot with the runner. I think it would be a bit harder to try the same old trick with this rectangle port. It would have to be a good deal taller I would imagine. Theres not a lot of extra height under most of the GM hood lines.
I can help you on the ported stock piece if you decide thats the way to go.
I can help you on the ported stock piece if you decide thats the way to go.
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Hmm.... Lots of people are waiting on that intake manifold. The cathedral port FAST tood advantage of a raised runner and a straighter shot with the runner. I think it would be a bit harder to try the same old trick with this rectangle port. It would have to be a good deal taller I would imagine. Theres not a lot of extra height under most of the GM hood lines.
I can help you on the ported stock piece if you decide thats the way to go.
I can help you on the ported stock piece if you decide thats the way to go.
I will def keep that in mind if I choose to do that. How much have you seen in gains porting these intakes.
https://ls1tech.com/forums/showthrea...662314&page=20
I believe it. They are just now getting the lower manifold right for the L92 Maggie kit, these things are super new and you cant rush R&D.
thye will get it right, there is too big of a mraket for them...just how long can people wait.
thye will get it right, there is too big of a mraket for them...just how long can people wait.
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From: Kannapolis, NC
There have been quite a few other post that about the L76 and it's limitations. That's why you see all of the aftermarket vendors trying to provide a solution.
I would go for a 427 with LS7 heads and LS7 manifold myself as it's a proven combination for big bore set-ups.
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From: Sydney
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Prove your theory. I have seen it do nothing on larger Ci motors. Maybe the porter but I doubt it. Would like to see some proof if you are going to say I am wrong and not what your buddies have told you.
LOL Its not what his buddies have told him. He OWNS LS2portworks. All he does is port manifolds and throttle bodys. We've used his manifolds with pretty good success on several builds. I have one of his LS7 manifolds going on a build later this week or next. And another L76 going on a motor bound for Europe.
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From: Sydney
Mods are in sig.
Thanks for the info. I got a year or so before I get to the motor, so I'll keep a watch out for more developments. Better (cheaper) for someone to work out the bugs for me.
Been working on the body, interior, suspension and drive train mods for the last three years on the vette. Hope to get the vette back up and running for a few months to work out all of the kinks.
Then we'll tackle the motor.
Guys,
The new FAST Intake is set up for their new 92 mm throttle body and is designed for the cathedral port Gen III heads, not the rectangular port L92/L76 heads http://www.fuelairspark.com/WhatsNew...kemanifold.pdf. I think that you are trying to compare apples to oranges. Also, I wouldn't draw any conclusions until an independent lab like Westech tests it for one of the magazines. I'm sure that there will be a comparison article within six months. It's the same thing with the new Wieand/Starr Streetfighter Manifold . . . wait until the production pieces come out and look at some factual testing (preferably from more than one source) before jumping to conclusions. We'll know more about all of this stuff within a few months.
Steve
The new FAST Intake is set up for their new 92 mm throttle body and is designed for the cathedral port Gen III heads, not the rectangular port L92/L76 heads http://www.fuelairspark.com/WhatsNew...kemanifold.pdf. I think that you are trying to compare apples to oranges. Also, I wouldn't draw any conclusions until an independent lab like Westech tests it for one of the magazines. I'm sure that there will be a comparison article within six months. It's the same thing with the new Wieand/Starr Streetfighter Manifold . . . wait until the production pieces come out and look at some factual testing (preferably from more than one source) before jumping to conclusions. We'll know more about all of this stuff within a few months.
Steve
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From: Mass.
Do you aussies have a better version of the L76 manifold?? Kinda like the FAST manifold that is mentioned?? I know you guys have stuff way before we do.. In most cases...