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engine swap questions

  #1  
Old 12-08-2010, 07:25 PM
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ok it's like this, my buddy jared wrecked his 94 prelude and totaled it. the engine and tranny are fine though so i was thinking of buying them to put in my civic. I want to know if thie is possible. i have a 99 civic cx 1.6, but i'm not sure what kind od prelude he has. I know it's not a si and it doesn 't have a v-tec. so i'mthinking it's a f22a or a h23a. are eitherof these motors swapable to my civic and if so what do i need to do to swap them. sorry i'm really new to this. thanks guys for help
 
  #2  
Old 12-08-2010, 08:06 PM
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anything is "swapable", just depends on how many monies u have. i believe that h and f blocks are the same, and should use the same mount kit. so, u would need ecu, wiring harness (obd2b-obd1), shift linkages, axles, whatever exhaust components u would need for it all to align, and prob a lot of other things im forgetting. if i understand correctly, ur main question, even though u may not realize it, is "are there comercially available swap mounts that would allow me to bolt an h/f series engine into my civic?", and the answer is yes.
 
  #3  
Old 12-08-2010, 08:20 PM
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thanks for the info. i have the whole prelude to work withso i'm sure i can reuse harnesses and i have the ecu and such to work with. i have no idea where to get the mounts all the other jazz. i have some money but probably not enough but it'll be an ongoing thing. is there anything else i may need to know or anything BIG i may need?
 
  #4  
Old 12-08-2010, 09:03 PM
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im not sure how much of the stock lude harness will be usable. u need to keep ur stock civic harness if u want everything to still function properly. u wuill need at least an obd jumper for the ecu, and a obd1 jumper for the dizzy. as far as hooking up all the sensors and such, u will have to do some googling. theres plenty of h/f swap intricasies that im not familiar with. it will def be an undertaking, but the torques will be worth it. dont go boosting that ish tho, i think they have frm sleeves. you may experience poorer handling, due to the fact that the engine will now be mounted in front of ur front suspension, instead of directly above it. just keep wearing out google and our site's search function. im sure u will find what u need. good luck mayne! edit: check ebay for ek h swap mounts.
 
  #5  
Old 12-09-2010, 01:11 PM
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a lot of wiring. honestly the H22 is a jazzy engine. but id stick with b series for civics because they are easier. accords? well hell swap away and it would be sick. but it has been done before. but if your going to do a prelude swap. you might as well do the vtec h22 otherwise its like putting a non vtec b series in there. and why would you do that?
 
  #6  
Old 12-09-2010, 02:31 PM
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H23A1
Found in the American 4th gen Prelude Si (BB2). It produces 162 PS (119 kW; 160 hp) & 156 ftlbf (212 Nm) and comes with a "black top".

B18A1
NON -VTEC
Found in:
1990-1993 Acura Integra USDM "RS/LS/GS" (DA9 Coupe, DB1 Sedan)
Displacement: 1,834 cc (111.9 cu in)
Compression: 9.2:1
Bore: 81 mm (3.2 in)
Stroke: 89 mm (3.5 in)
Rod Length: 137.01 mm (5.394")
Rod/Stroke Ratio: 1.54
Redline: 6500 rpm
Rev Limiter: 7200
Programmed fuel injection
Power: 90-91 Only: 130 bhp (97 kW) @ 6000 rpm & 121 ftlbf (164 Nm) @ 5000 rpm
Power: 92-93 Only: 140 bhp (100 kW) @ 6300 rpm & 126 ftlbf (171 Nm) @ 5000 rpm
Transmission: 90-91: A1,S1, cable
Transmission: 92-93: YS1, cable
ECU: OBD0 - PR4
[edit]B18B1
NON-VTEC
Found in:
1994-2001 Acura Integra "RS/LS/GS/SE" (DC4/DB7)
1992-1996 JDM Honda Domani (MA5)
1993-1994 JDM Honda Inta (DB7)
1996-1999 JDM Honda Orthia (EL1)
Displacement: 1,834 cc (111.9 cu in)
Compression: 9.2:1
Bore: 81 mm (3.2 in)
Stroke: 89 mm (3.5 in)
Rod Length: 137.01 mm (5.394")
Rod/Stroke Ratio: 1.54
Power: 142 hp (106 kW) @ 6300 rpm & 130 ftlbf (180 Nm) @ 5200 rpm
Redline: 6800 rpm (7200 rpm on JDM Domani)
Rev Limit: 7200 rpm
Transmission: Y80/S80
JDM version is marked B18B on the block without any number.
JDM version has a compression 9:4:2 where the usdm version is 9:2:1.
JDM versions higher comprsion rating results in higher hp and tq levels than the usdm version
(thx wikipedia)
project91, he would most likely be interested in swapping an h in instead of a b because of the much greater torque. i would do so as well, espescially if i were getting a great deal on the complete swap from a good friend. more than likely, he will only go so far as i/h/e on whatever swap he chooses, so the h23 will be the most bang for the buck. also, if it is indeed an f22, bisimoto made 300whp n/a with one last year in a super street magazine article. just saying, dont discount the h/f engines. im not certain that a b series is much "easier". the mounts and axles and such (for the h/f swap) are readily available. all that is left is the wiring, and its well documented on the interwebz...
 
  #7  
Old 08-14-2016, 05:11 PM
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Have a 99 si swapped b18b1 ... Seems to be stalling out when idol, pretty sure its a vacuum leak... Bigger question i was wondering about future upgrades and what i should focus on, everything is pretty much stock other than air intake lowered and control arms... Should i do exhaust upgrade first or start elsewhere
 
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