C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

383 Build questions

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Old Jan 9, 2011 | 10:59 AM
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Default 383 Build questions

I recently went to the local engine builder to talk about engine options for my 88 L98 Auto. I have a motor [88' L98 as well] out of a salvaged corvette i bought that has 44k miles on it. The engine builder is getting all the parts we need except for injectors and the intake manifold.

The question i have is between the miniram and superram. I've read many threads between them, and the HSR. I was planning on going superram with my 350 build, but since i'm going 383 I was thinking about going miniram. Anyone have experience with either on a 383 stroker? Due to budget they're probably going to port/polish/etc my current heads, unless i can get heads really cheap.

Anyone have any sources for finding used [complete] miniram setups? ~1300 is fairly steep with fuel rails. On TPIS's website, there are a few different model minirams. 1204,1205, and Fastburn.I'm assuming it has something to do with the heads being used? Some clarification is appriciated.
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Old Jan 9, 2011 | 01:08 PM
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here you go on a miniram
http://forums.corvetteforum.com/c4-p...s-miniram.html
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Old Jan 9, 2011 | 09:53 PM
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Originally Posted by Alan777
I recently went to the local engine builder to talk about engine options for my 88 L98 Auto. I have a motor [88' L98 as well] out of a salvaged corvette i bought that has 44k miles on it. The engine builder is getting all the parts we need except for injectors and the intake manifold.

The question i have is between the miniram and superram. I've read many threads between them, and the HSR. I was planning on going superram with my 350 build, but since i'm going 383 I was thinking about going miniram. Anyone have experience with either on a 383 stroker? Due to budget they're probably going to port/polish/etc my current heads, unless i can get heads really cheap.

Anyone have any sources for finding used [complete] miniram setups? ~1300 is fairly steep with fuel rails. On TPIS's website, there are a few different model minirams. 1204,1205, and Fastburn.I'm assuming it has something to do with the heads being used? Some clarification is appriciated.
1204 intake gasket designation for the stock INTAKE port on your OEM heads (88-91). 1205 is a slightly taller gasket used on some aftermarket heads. Port size is usually associated with this gasket number designation. Fastburn and Vortec heads have their unique config as well.

Choice for you intake could depend on your use and normal rpm range. It your original choice was a SR, it's still valid. But, a MR sure is easier to r/r. And, torque will still be quite pleasing.
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Old Jan 9, 2011 | 09:56 PM
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Are you going to use larger valves on your heads?
With small valves its hard to get much airflow out of the stock heads.
Have your machinist do the math before you agree to have him do anything
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Old Jan 9, 2011 | 10:21 PM
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I ran a 383 for years with a SuperRam and a 700r4. It was a good street strip combinaton.
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Old Jan 9, 2011 | 10:27 PM
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Super Ram vs. Mini Ram depends on what kind of driving you intend to do. They perform at different rpm bands. I think the Super Ram is better for a street car. It delivers HP and torque across the rpm range you will typically see on the street. If you're looking for a strip car, go Mini Ram.

The decision is not really related to cubic inches. Some are running Super Rams with 421 CID. I will be running it with a 396. A Super Ram will probably cost as much as a Mini. They are no longer manufactured so you have to find one for sale here or on Ebay. If you do go Super Ram, there's a forum member well known for his skills porting them for maximum flow.
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Old Jan 9, 2011 | 10:38 PM
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Thanks for everyones input. I plan on seeing price difference between working the stock heads and buying aftermarket, but like i said that depends on budget. Anyone know the power limits of the stock heads? As of right now, I'd like to shoot for ~350-375 rwhp

After re-reading a lot of intake threads, I've decided on the miniram.
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Old Jan 9, 2011 | 10:42 PM
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Originally Posted by Alan777
Thanks for everyones input. I plan on seeing price difference between working the stock heads and buying aftermarket, but like i said that depends on budget. Anyone know the power limits of the stock heads? As of right now, I'd like to shoot for ~350-375 rwhp

After re-reading a lot of intake threads, I've decided on the miniram.
If you want to wake the motor up, you need some decent heads. Talk to TPI421VETTE about some AFR heads. He's a distributor. I have a set of AFR 195 Street Eliminators for sale if you have some budget. $1,100
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Old Jan 10, 2011 | 07:24 AM
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Originally Posted by Alan777
Anyone know the power limits of the stock heads? As of right now, I'd like to shoot for ~350-375 rwhp
That's doable. AFRs get you into the 375-410 range (with the same build).
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Old Jan 11, 2011 | 10:17 AM
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Originally Posted by Pete K
In my opinion, you should be planning a drivetrain combination.
The trans, converter (if auto) and rear gear all should be a consideration for the best overall combo.
The auto's and superram work well.
My problem with the superram is too quick 60' times. Every time I launch, I cringe, waiting for the something in the drivetrain to fly out.
You are right, Pete. Great punch out of the box. My best is a 1.40.

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Old Jan 11, 2011 | 10:36 AM
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Does the superram fit under the stock hood?
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Old Jan 11, 2011 | 10:38 AM
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Originally Posted by 383vett
You are right, Pete. Great punch out of the box. My best is a 1.40.

Damn Willie
I thought my 1.505 was smokin quick.
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Old Jan 11, 2011 | 12:11 PM
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Originally Posted by Pete K
Damn Willie
I thought my 1.505 was smokin quick.
A properly set up straight axle helps a lot with weight transfer instead of the irs squat and the subsequent flying parts.
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Old Jan 13, 2011 | 09:18 PM
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Originally Posted by Pete K
In my opinion, you should be planning a drivetrain combination.
The trans, converter (if auto) and rear gear all should be a consideration for the best overall combo.
The auto's and superram work well.
My problem with the superram is too quick 60' times. Every time I launch, I cringe, waiting for the something in the drivetrain to fly out.
I completely agree with you. I currently have a Dana 44 [3.07 gears] sitting in my garage along with all the necessary parts to convert from the D36. Come the end of winter, I'm going to get a trans rebuild quote from a couple local tranny shops. I have minimal knowledge of transmissions, so I'll be relying on the engine build and trans shop to help out there.

I ended up buying AKS racing's Miniram. Great deal, the superram's were really tight on my budget, and I've gotten some great responses from people with mini's.
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Old Jan 13, 2011 | 09:21 PM
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THere are some strong running superram cars on the forum but imo go short runner or long the in between stuff is either a bitch to install or leaves you wanting more. If you dont have a smog issue go straight to the miniram. Moves some air and is cake to get on and off should you need to fix an oil leak.
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