Has anyone tried this or know whether it is feasible...I know that the exhaust manifold from an h23 will fit...Any thoughts?

 

It should fit just fine. I don't know of any gains though. When we first did my sawp, we needed a new TB. I put the F22 TB on the H22 temporarily. I now have a H23 TB. They should all be interchangeable.

 

the t/b will fit on the accord manifold you just have to portmatch the lude manifold will not fit

edit: wait is the b2 the non-vtec motor?


[Modified by SOHCkordVTEC, 6:10 AM 1/18/2002]

 

I believe the F22b2 is the non-vtec code...Regardless, I am talking about doing this with a non-vtec motor...Thanks for any further help...

 

yes on the non-vtec head the manifold will fit

 

Thanks for the info...The reason why I was inquiring about this is because the h23 intake manifold has the dual runners which obviously will give me more air and consequently some (I emphasize some) more power...Any ideas about how to wire up the butterflies on the intake manifold so that they won't always be open...Could I use something like an msd rpm switch so that at 4000 rpm the butterflies open?

 

would the H23 manifold work on a F22B1 motor? i wasn't sure how the butterfly runners would work w/ VTEC...

 

nope the ports are different

 

how much af the h22 can bolt on to my F22a1.

 

none

i don't think the MSD switch will work, because I am pretty sure the dual runners open up from a vacum line, meaning, manually, and not electronically

 

Any thoughts on how to get the secondary runners to open at 4000+ rpm?

 

i haven't gotten my Helms manual yet, but once i do I'll take a look at it and see if I can figure it out for you

 

Thanks...

 

it operates on an electronic signal to a solenoid actuator, just get an rpm active switch and isolate the signal wire....

 

Err uhm which motor is this car from? If it's from a '92-'93 Accord EX, those motors have dual intake runners too, so the H23 runner solinoid could run off the same signal from the F-motor's ECU.

 

LOL which motor is this car from?!?!?
I mean which car is this motor from?

 

By the way, the dual intake runner design which many Honda motors have doesn't give more air, it just switches between long and short air paths. By varying the intake path length according to engine rpm, ample torque is gained at all rpm levels.
Interestingly, the B16 and B18C5 (Type R motor) do away with the dual runner design.

 

but if you rig it so both open up. you will get more volume of air

 

4doorH22...My understanding of the dual runners (on the H23 at least) was that there is one set of butterfly valves (in the secondary runners) that open at a specific rpm. If this is true then air will flow through both the primary and secondary runners and as a result you will have more air flowing...For the switch between long and short runners to occur wouldn't you need a second set of butterfly valves in the primary runners that would close when the secondaries open? I need some explanation and clarification...Thanks

 

Well I'm not sure about the H23 intake manifold, but I'm 99% sure that the dual runner design for the F22 and H22 and many other Honda motors is to switch between either runner. The butterfly is located before the runners, not in the long runner. It's an either/or deal, not a one runner/both runner deal. Anyone got other info?

 

hondata list the h23 as the only motor with dual runners but no vtec

 

H23 manifold: http://www.hondaautomotiveparts.com/auto/jsp/mws/prddisplay.jsp?inputstate=5&catcgry1relude&catcgry2=1993&catcgry3=2DR+SI&catcgry4=KA5M T&catcgry5=INTAKE+MANIFOLD+%282%29

H22 manifold: http://www.hondaautomotiveparts.com/auto/jsp/mws/prddisplay.jsp?inputstate=5&catcgry1relude&catcgry2=1995&catcgry3=2DR+SIVTEC&catcgry4= KA5MT&catcgry5=INTAKE+MANIFOLD+%282%29

F22 manifold: http://www.hondaautomotiveparts.com/...NTAKE+MANIFOLD


no dual runner design for the F22, only for the H22 and H23

the B intake manifold for the H22 and H23 are the same, but it seems that the A intake manifold is different... but couldn't the intake ports on the F22 cylinder head be machined to match up to a H22 or H23 B manifold ports? would a F22 benefit at all from a dual runner design?

now in lieu to the butterfly valve on the H22 and H23, how do the physics of a longer runner affect the torque through the rpm band? are you sure that it's an "either / or" runner deal?

 

sorry kids, looks like there are errors with the VB code... code conflicts with long URLs...

 

well the thing i would be concerned with is tuning the runners to see some more torque and waay up top open both of them up for some crazy top end

 

Oh, LOL, I didn't know your more modern SOHC VTEC F22s didn't have dual runner intakes. Poor guys. The 92-93 F22 in the Accord EX did have dual runner intakes. http://www.hondaautomotiveparts.com/...NIFOLD+%282%29, see 8 intake paths, not for. Maybe this is why the VTEC motor only made 5 HP more than the non VTEC dual runner F22 (145 vs. 140).