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Old 11-01-2011, 04:49 AM
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need power

okey im lookin for the best way to add some power to my b20a5 without boosting it...all sugestions are appreciated
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Old 11-01-2011, 05:53 AM
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Re: need power

Do you live in a state or county that requires emissions?
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Old 11-01-2011, 09:11 AM
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Re: need power

port and polish the head, cold air intake. this will give you a little more power
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Old 11-01-2011, 09:38 AM
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Re: need power

I was thinking more like getting rid of the catalytic converter. The less you have for restriction the better. Someone once told me that if you use the Prelude b21 exhaust cam you'll do a little better also. Anybody remember that?
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Old 11-01-2011, 09:47 AM
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Re: need power

Yeah b21 cam , with some adjustable cam gears, the OBX header, CAI, plugs, wires, b16 pistons and h23 rods, 2.5 exhaust, all the way through, 0w-20 full synthetic. ECU tune. You're truly limited to choices, but that will give you some grunt, like 150 whp, and that's being gracious. Turbo is the right way to go. Costs more, but better yields.
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Old 11-01-2011, 09:55 AM
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Re: need power

I put a JDM B20A in mine which would get 145 hp at best and thought about turbo. How much cost and most important, Do I have to beef up the bottom end of the engine to do it?
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Old 11-01-2011, 10:30 AM
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Re: need power

Honestly, you need a stronger Cometic head gasket, the stock pops at 250hp or some junk. The h23 rods help out alot, can't remember the piston holding pins. Honestly I was happy with the na build, pull off the line and economy at highway. 1funryd has the parts required for a turbo B20, Pm him for a better idea.
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SURGEON GENERAL WARNING:
THE IMITATION OF ANY OR ALL MANEUVERS EXECUTED BY A BA B20A 4WS PRELUDE IS HAZARDOUS TO YOUR CAR'S HEALTH. DRIVING A PRELUDE MAY CAUSE LOSS OF INTEREST IN OTHER CARS, WOMEN AND SPEED LIMITS. OTHER SYMPTOMS INCLUDE SLEEPLESS NIGHTS, COLD SWEATS AND OTHER SYMPTOMS RELATED TO ADDICTION. IF THE SYMPTOMS PERSIST,DRIVE!
Prelude: Because all great stories have one. Just like Honda.
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Old 11-01-2011, 10:36 AM
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Re: need power

o.k. see ya
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Old 11-01-2011, 04:21 PM
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Re: need power

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Originally Posted by Lespaul59 View Post
Do you live in a state or county that requires emissions?
yeah i live in CA but i know places were i will be able to "pass" smog without any problems...anyone know anythin bout Gude performance i was looking up there head package
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Old 11-01-2011, 10:25 PM
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Re: need power

N2o will be the fastest to add real power. Kits like 6-700comes with e everything needed
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Old 11-01-2011, 11:10 PM
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Re: need power

getting rid of the cat actually loses like 1hp unless you use an actual high flow pipe or a test pipe.. gutting the thing is worse, honda tuning did an article on it
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Old 11-02-2011, 12:33 AM
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Re: need power

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Originally Posted by Jared View Post
port and polish the head, cold air intake. this will give you a little more power
the amount of effort/time and money required to get the head port and polished is a waste of time for what the end result is power wise. I have read its very little and not worth it unless you're doing an all out build.
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Old 11-02-2011, 01:39 AM
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Re: need power

Quote:
Originally Posted by frankyjmr View Post
the amount of effort/time and money required to get the head port and polished is a waste of time for what the end result is power wise. I have read its very little and not worth it unless you're doing an all out build.
x2 Our motors don't have N/A power in mind. I mean come on? With 9.0:1 Compression ratio we know that the Honda Gods wanted these motors to be turboed!
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Old 11-02-2011, 09:09 AM
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Re: need power

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Originally Posted by frankyjmr View Post
the amount of effort/time and money required to get the head port and polished is a waste of time for what the end result is power wise. I have read its very little and not worth it unless you're doing an all out build.
that may be true, to be honest i have worked mostly on nissans. i had this done to my 240 and it give me more power. i was happy with it.
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http://en.wikipedia.org/wiki/Honda_Prelude
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Old 11-10-2011, 02:37 AM
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Re: need power

OP the question for you is, how much money are you willing to spend on making a little more power.

$2000 is a basic budget for small engine work.

$6000 is for an all out build.

And this is sticking with just the B20a5 or JDM B20a motor.

For $3500 you can swap your motor to the a JDM H23a(non-vtec) or for a little more go for the H22.

Now since you stated that you live in CA, it is difficult but not impossible to get it reffed, but you will need to follow all the rules. But if you have a smog hook up then you are good then.

For the price of building the B20a5 you are just knocking at the entry power level of an H22/23 motor.

So think about what I said, and plan your build whether its going to be the B20a5 or swapping to the H22/23

Here is a link to wet your taste buds:

H22 Swap Thread - All known swaps to date: - Honda Prelude Forum : Honda Prelude Forums

Read on up and see your other options.

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Old 11-11-2011, 08:30 PM
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Re: need power

Is the h22 a v-tec cause you said the h23 wasn't? I'm sure there must be a horsepower difference. I need to know which one has more horsepower without v-tech kicking in at 5800 rpm's. Then I can decide which swap I want. A daily driver around town is all but I'm not racing it through the gears so v-tec isn't what I'm looking for. There are tons of engines that will give real horsepower but I also know they won't fit in the engine bay.
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Old 11-11-2011, 10:55 PM
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Re: need power

H22=vtec
H23=no vtec
F22=accord motor; also great for turbo applications.

The power of the h22+ the light prelude makes a crazy great car. Only a civic hatch is a faster combination. The F22 is an even swap from a B20A5. much more blocks and cheap in comparison to the other 2. Cast iron block for turbo; spend around 10k, get a car that will just rip by sti's/evos.
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SURGEON GENERAL WARNING:
THE IMITATION OF ANY OR ALL MANEUVERS EXECUTED BY A BA B20A 4WS PRELUDE IS HAZARDOUS TO YOUR CAR'S HEALTH. DRIVING A PRELUDE MAY CAUSE LOSS OF INTEREST IN OTHER CARS, WOMEN AND SPEED LIMITS. OTHER SYMPTOMS INCLUDE SLEEPLESS NIGHTS, COLD SWEATS AND OTHER SYMPTOMS RELATED TO ADDICTION. IF THE SYMPTOMS PERSIST,DRIVE!
Prelude: Because all great stories have one. Just like Honda.
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Old 11-12-2011, 12:08 AM
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Re: need power

are you saying an f22b2 is an even swap for a b20a5 ? Do all the mounts fit the same and transmission bolt pattern the same?
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Old 11-12-2011, 12:11 AM
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Re: need power

Got a 96 Accord in the yard but it's OBD2. aNY MODS TO GO IN A 91 LUDE?
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Old 11-12-2011, 01:28 AM
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Re: need power

No you need to buy the az race mounts to get any h/f series motors into the car.
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Old 11-12-2011, 09:15 AM
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Re: need power

90-93 f22 is obd1 is the one that is the easiest, but like 120hp. the 0bd2 has more power, honda used it in the odyssey 4-door until the 2000 with v6? anyways lots of f22's and blocks are cheap!
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SURGEON GENERAL WARNING:
THE IMITATION OF ANY OR ALL MANEUVERS EXECUTED BY A BA B20A 4WS PRELUDE IS HAZARDOUS TO YOUR CAR'S HEALTH. DRIVING A PRELUDE MAY CAUSE LOSS OF INTEREST IN OTHER CARS, WOMEN AND SPEED LIMITS. OTHER SYMPTOMS INCLUDE SLEEPLESS NIGHTS, COLD SWEATS AND OTHER SYMPTOMS RELATED TO ADDICTION. IF THE SYMPTOMS PERSIST,DRIVE!
Prelude: Because all great stories have one. Just like Honda.
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Old 11-22-2011, 10:13 AM
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Re: need power

i heard buying a motorcycle adds lots of power! then you can do slight mods to the lude and not have to worry about having a race car and just being able to love yo lude instead
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