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Old 10-25-2007, 01:21 PM   #21
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Quote:
Originally Posted by deevergote
2.5" would probably be justified with a larger cam profile and a modified header, paired with the H23 manifold. For the CB7-only parts, a muffler that flows better would probably help a bit on stock piping (I'm sure the dual tips on the EX weren't just for looks)

Yes, the EX system was higher flow, although I believe the piping was larger too.
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Old 10-25-2007, 03:40 PM   #22
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im looking at the others comment on on 30+Hp with 500 dollars. I hate to say this but its not going to happen. Theres no way u can get 30+hp with just 500 dollars.U have to spend a lot more then 500 dollars. Trust me. I done the research, bought the books, talked to expert, is just not happing. Im not saying u cant get 30+Hp, u can, but it takes more then $500. Unless its stolen
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Old 10-25-2007, 03:53 PM   #23
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F22A1 = 125hp.
F22A4 = 130hp. The only difference from the A1 is the header.
F22A6 = 140hp. Camshaft, intake manifold, ECU

F22A6 with the F22A4 exhaust manifold = 145hp est. The A6 and A1 manifolds are both rough cast manifolds, fairly similar. That's 20hp with CB7 parts alone. Add the H23 intake manifold and throttle body in place of the F22A6 parts, and you're looking at another 5hp at least.

Tell me an intake and and exhaust, even cheap crap, won't give you 5hp.

I've read the books as well. I also know these cars quite well.


$500 is actually a pretty high estimate. With used parts, this could be done for under $200. Having the exhaust welded on would be the most expensive part.
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Old 10-25-2007, 04:36 PM   #24
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Quote:
Originally Posted by jm991700
im looking at the others comment on on 30+Hp with 500 dollars. I hate to say this but its not going to happen. Theres no way u can get 30+hp with just 500 dollars.U have to spend a lot more then 500 dollars. Trust me. I done the research, bought the books, talked to expert, is just not happing. Im not saying u cant get 30+Hp, u can, but it takes more then $500. Unless its stolen
the h23 intake manifold, the a4 headers, the a6 cam, all of those i can go to one junk yard in MD and get it all for no more than $150 for all of that stuff. so i still got $350 left over to go online, get some ebay headers, get a shop in PA to do a cat-back exhaust and get my throttle body bored out by maxbore.com.

so yes you can get 30-50hp increase with OEM parts for $500. just boring out the TB on the h23 IM bored out. its still OEM. so who ever you talked to, sorry buckko.
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Old 10-25-2007, 10:37 PM   #25
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i have a f22a4 in my 1993 se
would all of this ...

"F22A6 camshaft - $25 (92-93 Accord EX)
F22A6 ECU - $25
H23A1 intake manifold and throttle body (from a Prelude SI, 92-96 I believe) - $45
F22A6 IAB "black box" (to be able to activate the secondary runners, the intake air bypass, in the H23 manifold) - no price listed... probably $10 or so...."

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Old 10-25-2007, 10:44 PM   #26
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Quote:
Originally Posted by esskater892
i have a f22a4 in my 1993 se
would all of this ...

"F22A6 camshaft - $25 (92-93 Accord EX)
F22A6 ECU - $25
H23A1 intake manifold and throttle body (from a Prelude SI, 92-96 I believe) - $45
F22A6 IAB "black box" (to be able to activate the secondary runners, the intake air bypass, in the H23 manifold) - no price listed... probably $10 or so...."

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yes. all of those will work with your car. all thats missing is the a4 headers. but you have the a4 so you dont need to worry about those. also you can always buy some aftermarket headers too.

if you tack on an extra $100 send your throttle body to maxbore.com and get it bored out. that'll give you an added 5-8hp.
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Old 10-25-2007, 10:59 PM   #27
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i got a question then
everybody talks out the A4 and the A1

BUT WHAT BOUT THE A6

im pretty sure there are a lot of EX owners that want some action
but remeber we have all that
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Just do what PR CB7 said.

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Old 10-25-2007, 11:09 PM   #28
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Quote:
Originally Posted by PR CB7
i got a question then
everybody talks out the A4 and the A1

BUT WHAT BOUT THE A6

im pretty sure there are a lot of EX owners that want some action
but remeber we have all that

well all i can tell you is to swap out your a6 IM and put in a h23 IM. either that or swap in a h23 or h22 and give me your f22a6
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Old 10-25-2007, 11:15 PM   #29
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I have an EX, its helpful because you don't have to do as much work as others, namely the wiring for the IAB's, but also the O2 sensor, and the different ECU.

It still takes some work to put in the H23 IM/TB, but its close enough to a direct bolt in.
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Old 10-25-2007, 11:23 PM   #30
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Quote:
F22A6 ECU - $25
i will keep that in mind when i am swapping my transmission
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Old 10-25-2007, 11:26 PM   #31
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Some people will sell them for as much as $100, don't spend that much though. I did once, out of desperation, and the ecu never really worked 100% anyway. Just keep scoping out a junkyard until you find a good PT6 ecu, and don't let them rip you off. Its better if they don't realize its an ECU, because they will try to rip you off realizing that they are a fortune brand new.
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Old 10-25-2007, 11:31 PM   #32
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Quote:
Originally Posted by esskater892
i have a f22a4 in my 1993 se
would all of this ...

"F22A6 camshaft - $25 (92-93 Accord EX)
F22A6 ECU - $25
H23A1 intake manifold and throttle body (from a Prelude SI, 92-96 I believe) - $45
F22A6 IAB "black box" (to be able to activate the secondary runners, the intake air bypass, in the H23 manifold) - no price listed... probably $10 or so...."

work with my car
cuz that would be sweet
Why do you have an A4 in your 93 SE? That should have an A6! The A4 is technically illegal in that car, since it's an older motor than the car it's in!




As for the A6 guys, the A4 header will give you about 5hp most likely, and the H23 IM/TB, as said, will be an upgrade. The impressive 30hp claim is only for the F22A1. It'd be about 25hp on an A4, and 15 or so on an A6. The final outcome is still the same, you just have the parts already It'd cost you a bit less as well!
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Old 10-25-2007, 11:32 PM   #33
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if i do all of this, will i still pass smog?
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Old 10-25-2007, 11:37 PM   #34
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ok so u said maybe u could get by with the stock cat...what aftermarket cat would u recommend? is there that much of a differance?
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Old 10-25-2007, 11:39 PM   #35
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I will go out on a limb and say yes, I never had to do smog so my knowledge is really limited, BUT if you stick to OEM parts and everything else on the motor is tight enough to pass smog, you should have no trouble.

Now if you start with a motor that desperately needs a tune up, leaks oil like a sieve, has a worthless cat, etc, this isn't gonna make things better.

My first cb, my 90 was always that kind of car that felt like it was held together with baling wire and duct tape, because I was a much worse mechanic.

But the knowledge I gained from that shows in the 93 I drive now, and I'll make the bold claim that my car is pretty tip top.
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Old 10-25-2007, 11:54 PM   #36
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The F22 parts will DEFINITELY pass smog if nothing is wrong. The H23 parts MIGHT cause an issue, but possibly not. I wouldn't think so. Nothing listed above, obviously, is a wild race part!


As for aftermarket cats... none really do much in terms of performance. If you want aftermarket, get Carsound or SMSP (www.sms-products.com). As long as the cat doesn't create a significant bottleneck in the system, it shouldn't disrupt flow too much. If you widen the F22A4 collector and get a 2.5" exhaust as owequitit mentioned, THEN the stock cat would probably be too small, and cause a loss of power. As long as you retain the stock exhaust piping, or at least similar... you won't need bigger.
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Old 10-26-2007, 01:37 AM   #37
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Quote:
Originally Posted by Shadow1
aftermarket wise id be happy with the I/H/E, the h23 IM, and shot of nitrous. thatll get me to be able to stick with the civics and tegs to get down the track.
u can't do that already off of engine torque alone? i eat si civics for breakfast with a stage 1 clutch intake and exhaust on my f22
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Old 10-26-2007, 01:47 AM   #38
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Stickers.

LOL

P&P?
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Old 10-26-2007, 02:13 AM   #39
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I passed smog perfectly with I/H/E. aem cold air, dc sport header, and Greddy evo 2 2.5 inch. Just clean your EGR valve and IACV with carb. cleaner before you go and drive your car on the freeway right before to heat the cat. up.
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Old 10-26-2007, 02:42 AM   #40
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i passed smog with the mods listed in my signature, but im just worried that swapping the other parts will give me trouble

h23 intake manifold and tb, here i come!
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