Stealthram or Carb Single Plane Intake
Thread Starter
Staging Lane
Joined: Sep 2007
Posts: 80
Likes: 1
From: Brooklyn, NY
Stealthram or Carb Single Plane Intake I looking to build a 383 ci LT1 for my 1995 Caprice 9C1 but I am not a fan of the stock LTx intake manifold. My goal is to get 420 RWHP and over 400 RWTQ. Not sure on what heads to use a pair of Advanced Induction alum stockers or a set of AFR's 195 CC Eliminators or TFS 21* heads.
I was real sweet on the Holley Stealthram and I have the room for it under the hood. But I learned that it has the same poor air distribution issues as the stock LT1/LT4 intake has. In that especially at part throttle the rear (4) cylinders get straved for air than the front cylinders that are closer to the throttle body.
Than I got on the Carb Style Single Plane EFI intake bandwagon with a progressive 4 barrel throttle body. Here most guys say don't bother with this setup inless you intend to build a max effort motor in a car that is trailered to the track not in daily driver which my car is.
Please tell in your opinion what do you think is the best for my application???
I was real sweet on the Holley Stealthram and I have the room for it under the hood. But I learned that it has the same poor air distribution issues as the stock LT1/LT4 intake has. In that especially at part throttle the rear (4) cylinders get straved for air than the front cylinders that are closer to the throttle body.
Than I got on the Carb Style Single Plane EFI intake bandwagon with a progressive 4 barrel throttle body. Here most guys say don't bother with this setup inless you intend to build a max effort motor in a car that is trailered to the track not in daily driver which my car is.
Please tell in your opinion what do you think is the best for my application???
For the reasonably modest HP you're looking for, the stock LT1 manifold can EASILY support that much. A set of ported AI 200cc stockers on a stock untouched manifold can easily get you that goal. I am running a ported stock manifold on my 383 with the same heads/cam package.
No need to 'overbuild', IMO, for "only" 400whp.
No need to 'overbuild', IMO, for "only" 400whp.
For the reasonably modest HP you're looking for, the stock LT1 manifold can EASILY support that much. A set of ported AI 200cc stockers on a stock untouched manifold can easily get you that goal. I am running a ported stock manifold on my 383 with the same heads/cam package.
No need to 'overbuild', IMO, for "only" 400whp.
No need to 'overbuild', IMO, for "only" 400whp.
im going with a single plane EFI manifold but my car is getting a little bigger cam and i wanted even nitrous distribution. also it will allow me to go to some bigger heads when i switch to a FAST system and want to spin it higher 
