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push more hp 84?

 
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Old 03-19-2014, 06:12 AM
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push more hp 84?

Anybody know how I could push some more hp outa my 84.
I'm having trouble finding engine parts for my car
Thanks.
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Old 03-19-2014, 09:22 AM
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Re: push more hp 84?

84?? wow, pics!!
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Old 03-20-2014, 12:08 AM
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Re: push more hp 84?

Can't on my phone
Will next time I'm on a computer.
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Old 03-20-2014, 01:48 AM
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Re: push more hp 84?

You could do an engine swap to something newer and more powerful. Mind you, you would have to re do pretty much everything, probably including a whole new axle and suspension setup in the front
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Old 03-20-2014, 04:08 AM
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Re: push more hp 84?

What's an engine swap they would require a little less work.
If I remember correctly I read that jdm made a b20 for 2nd Gen preludes. Anybody know anything about those?
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Old 03-20-2014, 07:53 PM
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Re: push more hp 84?

That JDM B20 is as rare as hen's teeth. It's not the same as the B20s found in Integras or in CRVs.

An A20A should go in fairly easy. I've also seen B16/B18 swaps. Knew a guy in Maryland who plugged in an H22...that was a very tight fit, and messed up the car's balance.

I won't say I didn't wish for another 30 horsepower when I had mine, but it would have been serious effort to get there.
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Old 03-20-2014, 08:26 PM
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Re: push more hp 84?

honestly what i did to my 89 was upgrade to iridium ngk plugs which added some kick along with the ngk wires. also i added one of those cold air turbines into my cold air piping and that helped a lot
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Old 03-20-2014, 08:57 PM
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Re: push more hp 84?

I just changed out my NGK with Bosch Platinum Plus 4 - probably just me being crazy but it seems much happier and smoother. Expensive though. I know this isn't what you are looking for since it won't deliver the increase you are looking for but I thought it was noticeable.

Platinum+4 Spark Plugs
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Old 03-20-2014, 10:23 PM
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Re: push more hp 84?

The a20a?
More details please?
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Old 03-20-2014, 11:10 PM
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Re: push more hp 84?

Quote:
i added one of those cold air turbines into my cold air piping
what the what
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Old 03-20-2014, 11:18 PM
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Re: push more hp 84?

Quote:
Originally Posted by badbadleroybrown View Post
I just changed out my NGK with Bosch Platinum Plus 4 - probably just me being crazy but it seems much happier and smoother. Expensive though. I know this isn't what you are looking for since it won't deliver the increase you are looking for but I thought it was noticeable.
Most likely because your old plugs were just knackered and ready to be replaced. Good spark always makes the engine run smoother!

Quote:
Originally Posted by nwnate
The a20a?
More details please?
The 2-liter fuel-injected engine in the 2d gen Si ('85-'87). Rates 110 hp...not a lot for the work of an engine swap.
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Old 03-20-2014, 11:33 PM
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Re: push more hp 84?

Is there more mods for the a20 though?
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Old 03-21-2014, 07:18 AM
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Re: push more hp 84?

Not that I'm aware of. I'm sure there are some basics -- intake, maybe headers -- but those won't be big power-adders. Of course, you can adapt a turbocharger to nearly anything, but there's no already-engineered kit out there I know of. Like I mentioned elsewhere, in the '80s, the Honda aftermarket was focused on Civics, and by extension, Integras when they were introduced.
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Old 05-08-2015, 01:18 AM
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Re: push more hp 84?

Hope I'm not too late to the party here.

There are actually a couple of things you can do to the old ET-2s, but be aware that there's a lot of uncharted territory and some fabrication associated.

It seems that the consistent action plan for anyone who's done a build in recent history is a set of carbs, a cam, and a header. You pretty well need all 3 for any one of the mods to make much in the way of gains.

As far as carbs go, Weber DCOEs matched to a custom intake seem to be the go-to. Fair warning, I haven't heard of a manifold being sold off the shelf in about 5 years.

The only place I've been able to source a cam is from Web (sold through Alamo Motorsports). Their cam was featured in a Super Street build a couple of years back (I'm not a spokesman for them, and have not bought this part, but it's pretty well the only one I've found. CALL them BEFORE YOU BUY!!!)

Last but not least is the exhaust. The stock manifold isn't terrible, but will hinder the other parts pretty quickly. Pacesetter makes a header, but you will need to externally confirm fitment.

Link to super street article: 1985 Honda Prelude DX - Honda Tuning Magazine


The problem you're going to have is that you're looking to spend a little more than a grand, and you're looking at a top end rebuild, to pick up any meaningful horsepower.

Please also be aware that idly changing exhaust and air filter without re-jetting / springing / piloting your stock carbs is more likely to hurt power than help. This is why I've recommended the carb swap as the first mod (There's WAAAAAAY more aftermarket support for jetting Webers than the Keihin CVs in our cars)

I don't want to scare you away from the endeavor, so much as make sure you're aware of what's involved in getting the most out of the ET2.
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