LT1 single plane intake conversion

[prorac1]

Anyone know of a good place to get a single plane intake modified for an LT1 in Michigan? Im guessing the bolt pattern would have to be modified and the front crossover and thermostat housing cut out and welded. What else is needed. We need an LT4 intake, and rather than buy a new one from elelbrock (meh) were looking into single plane conversions. Thanks Eric L

[DETROITMUSCLE]

whats the limit to a ported LT1 intake? I thought they were good to 500hp+

[prorac1]

Ive always heard around 500. It will be on the edge. A ported LT4 would probably work, but by the time you buy an LT4 intake, and pay to get it ported, it will be about the same ammount to modify a single plane elelbrock victor or something. Eric L

[DETROITMUSCLE]

thanks for the info, so are you guys going to run an elbow or 4 barrel style TB?

[prorac1]

Were going to run an elbow so that it will fit under the stock hood. He has my old black SS hood from my 94 and dosent want to cut it. Were not sure what size TB were going to use. Ive given thought to a LS style monoblade since were gooing to use an LS computer. The block is a .030 LT1 block with 5 oliver billet main caps (4 bolt) A cola crank (3.75), 5.85 trick flow rods, and were getting ready to order pistons. Were shooting for 13.5 - 1 compression on E85. Heads are a set of Elliot ported AFR 210s (now 217cc) with some good upper and mid lift flow numbers. We still need to spec out a solid roller, but we have all winter, so its no hurry. Not a lot of people in our area have done this on an LT1, so were learning a lot and flying blind, lol. We are used to building big blocks, so this is interesting. Learning is cool, lol. Eric L

[DETROITMUSCLE]

I'm no expert on the matter but from what I have seen elbows become restrictive on a n/a motor and using a 4 barrel style TB has shown impressive gains. If your going as far as using a single plain I'd do it that way. you shouldn't have to cut the hood but trimming the cowl would be required. I'd research it.

[prorac1]

Hmmm, I always heard those elbows worked pretty well? Maybe that was the whole deal, they were forced induction. We would like to tickle the 10s N/A if we can. Shooting more for low 11s cause the car is a PURE STREET car. No cage, no weight loss, a/c, etc. Were figuring the car should weigh around 3700 lbs, lol. Eric L

[DETROITMUSCLE]

FI cars are a whole different story, I've seen n/a guys on tech gain 40-50+ just getting rid of their elbows, not to mention a million people are making garbage to begin with and the "good elbows" still seem restrictive. Lots of tightbends to fit under the stock hood which in turn hurts distribution. FI cars can keep the plenum full. As for the goals I think you guys are going to hit them just fine.

[prorac1]

Thanks for the info. For his sake I hope we do, lol. Hes got enough money into it, lol. My shit is cheaper and my goals are lower, lol. If I hit 11s with my 383 LT1 ill be thrilled, lol. Eric L

[JoeliusZ28]

Do not go through all that work if you are going to just toss an elbow on it. What Ive done at only 370rwhp has already proven to me how stupid restrictive those things are!

[prorac1]

You have a single plane? What work did you do with an elbow if I may ask? Eric L

[JoeliusZ28]

You have a single plane? What work did you do with an elbow if I may ask? Eric L

Lmao no. But the stock intake elbow is a proven restriction and was very noticeable for me at the 370rwhp level.

[kammi10]

i think he is talking about an intake and elbow similar to this set up joel

http://avoronoff.hypermart.net/INTAK...E/INTAKE_1.jpg

[prorac1]

Yes, mmmmmmmmmmmmmmmm, thats yummy goodness. Yes, very hot. Eric L

[PWND3r]

I need to do this. I'm just worried about tuning after I do it, without a standalone.

I have a ported intake, and I'm pushing the limits of it; If I swapped to a single plane I'd see a difference in power top end wise, and I'd be able to spray more without having to worry about flooding.