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Old 09-14-2009, 04:20 PM   #1
Lucifer Caitiff
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I'm taking the initiative, hopefully this will end up being stickied, so that I can be immortalized in my glory for such a brilliant idea.

So here you go...if you're new to preludepower, or if you're too stupid and lazy to use the valuable search tool, or if you tried searching and you're afraid of getting yelled at for making a new thread, then ask your question here. Almost every question a noob has to ask has been covered before, so instead of having 7 thousand threads a day that the mods have to lock after 2 replies...ask here...we'll *try* to go easy on you.

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Old 09-15-2009, 12:08 PM   #2
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Quote:
Originally Posted by Lucifer Caitiff View Post
I'm taking the initiative, hopefully this will end up being stickied, so that I can be immortalized in my glory for such a brilliant idea.

So here you go...if you're new to preludepower, or if you're too stupid and lazy to use the valuable search tool, or if you tried searching and you're afraid of getting yelled at for making a new thread, then ask your question here. Almost every question a noob has to ask has been covered before, so instead of having 7 thousand threads a day that the mods have to lock after 2 replies...ask here...we'll *try* to go easy on you.

To help keep this from being a clusterfuck, if you're answering a question, please quote the question in your reply....if that makes any sense.
could you point me in the direction of a radiator replacement write up for a 89 2.0si (stock)
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Old 09-15-2009, 01:16 PM   #3
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look in the third gen stickies at the downloadable copy of the manual for the car. it will tell you step by step what to do. or you can go to 1funryd's page and download it from there, or you could go to prelude3g.com and download it there too.
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Old 09-15-2009, 06:04 PM   #4
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could you point me in the direction of a radiator replacement write up for a 89 2.0si (stock)

radiator is pretty easy, you just drain the coolant into a catch (take the coolant for proper disposal) then disconnect the fans and the fan switch at the bottom of the radiator, take off the hoses, detach the ac hoses from the fans, unbolt the bar across the top and it should slide up.

the radiator comes out with the two fans mounted on it.
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Old 09-15-2009, 09:16 PM   #5
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boost

Well first of all Im Russ from okc, ok.. Im new to the site but ive had several 3rd gens... at the current time I have an 89 si 4ws, that is currently on blocks.. lol Im doing a full suspension and brake rebuild... So the car is completely undrivable. I have 95% of the parts i need to rebuild just no time. I have been thinkin about turbocharging.... while its down...


heres my ????????

is there any way to achieve 300 hp with a JDM b20a TURBO SETUP???
Without resleaving or rebuilding? What would be the best turbo to use to achieve high hp on the b20a... I am aware of the obd1 swap that has to occur as well as compatible ecu's, and about 450cc dsm injectors..just not the size, spooling and whatnot.... Any help would be awesome

thanx
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Old 09-15-2009, 09:36 PM   #6
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Quote:
Originally Posted by russman4ws View Post
Well first of all Im Russ from okc, ok.. Im new to the site but ive had several 3rd gens... at the current time I have an 89 si 4ws, that is currently on blocks.. lol Im doing a full suspension and brake rebuild... So the car is completely undrivable. I have 95% of the parts i need to rebuild just no time. I have been thinkin about turbocharging.... while its down...


heres my ????????

is there any way to achieve 300 hp with a JDM b20a TURBO SETUP???
Without resleaving or rebuilding? What would be the best turbo to use to achieve high hp on the b20a... I am aware of the obd1 swap that has to occur as well as compatible ecu's, and about 450cc dsm injectors..just not the size, spooling and whatnot.... Any help would be awesome

thanx

read here: Sticky: OBD1 Conversion for Tuning and Fuel Management ( 1 2)
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Old 09-15-2009, 09:44 PM   #7
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Originally Posted by 1funryd View Post
read here: Sticky: OBD1 Conversion for Tuning and Fuel Management ( 1 2)
1funryd


Does lsd Still make the manifold and downpipe??? and if i use the dsm t-25 what hp range would i be in roughly??
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Old 09-15-2009, 10:22 PM   #8
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msd

I also found a brand new msd 6al ignition system for 200 would i be able to use this on my 89 3g????
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1989 prelude 4ws si
custom Cai
short throw
jvt alluminum radiator
dc header, test pipe
tokico blues 1.5 in drop
Interior swap complete
18 lb flywheel
brembo Cross drilled and slotted front rotors
brake labs cross drilled and slotted rear rotors
posi quiet pads front and rear
ss brake lines
17 enkei racing, kumho exsta ast 205/40/17
check out my gallery.......

"Its not how you stand by your car, Its how you drive your car! You better learn that....."

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Old 09-15-2009, 11:24 PM   #9
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Does lsd Still make the manifold and downpipe??? and if i use the dsm t-25 what hp range would i be in roughly??
I have a 14b turbo and manifold with downpipe made by Gladman. The welds are really messy but if you cleaned it up it could pass for a decent manifold. I could let it all go for pretty cheap if you're interested.

I don't know if LSD makes them anymore...email Mike at sales@lsdmotorsports.com and tell him Devin sent you. The LSD manifolds I've seen are actually VERY well done and absolutely beautiful. They do good work.

as for the no sleeve and no pistons...I wouldn't if I were you, but I'm not you...and I don't have spare blocks just sitting around to throw in all willy-nilly. Well, I have ONE block, but I wouldn't use it without building it.
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Old 09-15-2009, 11:39 PM   #10
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I have a 14b turbo and manifold with downpipe made by Gladman. The welds are really messy but if you cleaned it up it could pass for a decent manifold. I could let it all go for pretty cheap if you're interested.

I don't know if LSD makes them anymore...email Mike at sales@lsdmotorsports.com and tell him Devin sent you. The LSD manifolds I've seen are actually VERY well done and absolutely beautiful. They do good work.

as for the no sleeve and no pistons...I wouldn't if I were you, but I'm not you...and I don't have spare blocks just sitting around to throw in all willy-nilly. Well, I have ONE block, but I wouldn't use it without building it.



sweet sweet What do ya want for it all???? If tuned right what would the hp gains be??? also ive heard jdm b20a's handled boost well... is this correct
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1989 prelude 4ws si
custom Cai
short throw
jvt alluminum radiator
dc header, test pipe
tokico blues 1.5 in drop
Interior swap complete
18 lb flywheel
brembo Cross drilled and slotted front rotors
brake labs cross drilled and slotted rear rotors
posi quiet pads front and rear
ss brake lines
17 enkei racing, kumho exsta ast 205/40/17
check out my gallery.......

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Last edited by russman4ws; 09-15-2009 at 11:41 PM. Reason: stuck mouse LOL
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Old 09-15-2009, 11:55 PM   #11
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well, PM me when you get a couple bills together, we'll talk more then. You'll need at least that much to buy an LSD manifold anyway.

I'd take pics for you but I can't find the fucking battery charger for my camera. If I ever find it...I'll get some pics over to you. The turbo is in pretty good shape, I've never used it, but there's no shaft play.
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Old 09-16-2009, 12:17 AM   #12
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Quote:
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Does lsd Still make the manifold and downpipe??? and if i use the dsm t-25 what hp range would i be in roughly??
Mike Succar is who you are looking for, and as of last conversation which was about a year ago, he told me that LSDMotorsports was going a different route and getting out of the fabrication field.

They sell parts that are already mass produced or that they still have jigs for. But do what Devin said and contact him first.
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Old 09-16-2009, 12:27 AM   #13
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I bought my manifold from pp member super soviet soldier. He has a few more last time I checked.
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Old 09-16-2009, 12:46 AM   #14
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Yeah, For now LSD is still selling already produced parts. They may or may not get back into fabrications...it's just that Mike is basically running EVERYTHING, and he's only one man and can only do so much.

LSD Motorsports is going to be doing some great things in the upcoming year or so...lots of expansion, so don't count them out altogether. They've already branched out into selling wheels and tires, I'll most likely start buying all my tires from LSD once they start running out.

If only they did motorcycles....
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Old 09-17-2009, 06:06 AM   #15
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me again...so i replaced the radiator & all is well.

but whenever i drive on the highway like 55-65mph, it feels like my engine is straining itself to pull even that off & the rpms are really high. is there any way to i guess lower the rpms at higher speeds? if that makes sense...other than swapping the engine & transmission

'89 si
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Old 09-17-2009, 12:35 PM   #16
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me again...so i replaced the radiator & all is well.

but whenever i drive on the highway like 55-65mph, it feels like my engine is straining itself to pull even that off & the rpms are really high. is there any way to i guess lower the rpms at higher speeds? if that makes sense...other than swapping the engine & transmission

'89 si
Yes you can get a accord 5th gear but that requires taking your tranny apart and taking your old 5th gear out and putting that accord one in.

If thats something you want to look into than search it.
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Old 09-17-2009, 12:42 PM   #17
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me again...so i replaced the radiator & all is well.

but whenever i drive on the highway like 55-65mph, it feels like my engine is straining itself to pull even that off & the rpms are really high. is there any way to i guess lower the rpms at higher speeds? if that makes sense...other than swapping the engine & transmission

'89 si
How hir are your rpms? You should be turning the engine a little more than 3k rpms at 60 mph in 5th gear, (d2j3 or d2j5 transmission). This is normal for these cars.
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Old 09-18-2009, 05:39 AM   #18
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How hir are your rpms? You should be turning the engine a little more than 3k rpms at 60 mph in 5th gear, (d2j3 or d2j5 transmission). This is normal for these cars.
yea i figured it was normal...just not ideal i guess. i read somewhere that either the 4th or 5th gen can do 100mph in fourth gear before shifting to fifth no problem...jealous

i guess i should just start saving for my h22/23 swap, i'll need it eventually anyway seeing as how i'm running around with 178k miles
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Old 09-18-2009, 08:17 AM   #19
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yea i figured it was normal...just not ideal i guess. i read somewhere that either the 4th or 5th gen can do 100mph in fourth gear before shifting to fifth no problem...jealous

i guess i should just start saving for my h22/23 swap, i'll need it eventually anyway seeing as how i'm running around with 178k miles
178k is nothing on these engines. The majority of 3rd gens I see in junkyards have well over 225k miles on them, and many are there because of collision damage. As long as you properly maintain it, the b20a5 should easily go 250k+ miles. From what everyone says about the b21a1, it will most likely not go that far. But I have no experience with that engine.
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Old 09-18-2009, 08:22 AM   #20
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178k is nothing on these engines. The majority of 3rd gens I see in junkyards have well over 225k miles on them, and many are there because of collision damage. As long as you properly maintain it, the b20a5 should easily go 250k+ miles. From what everyone says about the b21a1, it will most likely not go that far. But I have no experience with that engine.
yea i know i didn't say soon, just eventually
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Old 09-18-2009, 08:34 AM   #21
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alright im new to the site.. looking for some help and answers with my 90 si. I have a rod knock now which is getting worse in my b21 just replaced head gasket last summer . but im wondering whither i should get the rod bearings done and fixed up or should i just look for a new motor such as a b20.. i would like to turbo the car for next summer so that would prob be my best bet.. but where would i even start out finding one and the computer and shit to fit it?
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Old 09-18-2009, 08:49 AM   #22
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alright im new to the site.. looking for some help and answers with my 90 si. I have a rod knock now which is getting worse in my b21 just replaced head gasket last summer . but im wondering whither i should get the rod bearings done and fixed up or should i just look for a new motor such as a b20.. i would like to turbo the car for next summer so that would prob be my best bet.. but where would i even start out finding one and the computer and shit to fit it?
Welcome to the fourm. You should check out the FAQ sticky to find a lot of information about these cars.
Most people would tell you to dump the b21a1 and go with the b20a5. Especially if you plan to boost in the future. You don't need to swap computers with that swap if you use the manifolds from your b21. They will bolt right up. All you need is the block and head from the b20 and use everything else from your b21. I've never had much trouble finding one locally to rebuild, as there are quite a few junkyards around here. Maybe you could check junkyards around you. There's also ebay. There is a for sale section in this forum. Or you could try to find a JDM b20a here...
http://mustardcat.brinkster.net/p3g/...0a/jdmb20a.htm
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Old 09-18-2009, 08:50 AM   #23
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Originally Posted by kickasslude24 View Post
alright im new to the site.. looking for some help and answers with my 90 si. I have a rod knock now which is getting worse in my b21 just replaced head gasket last summer . but im wondering whither i should get the rod bearings done and fixed up or should i just look for a new motor such as a b20.. i would like to turbo the car for next summer so that would prob be my best bet.. but where would i even start out finding one and the computer and shit to fit it?
Honestly, get a b20 and save yourself a lot of trouble. Especially if you want to build the motor for turbo, you're going to want that block re-sleeved. I'm kinda still waking up, and there's plenty of people who know more details about this issue, but the majority of problems in the b21 are caused by the FRM sleeves. Basically they wear out, causing the rings to not seal so well and thus, burn oil badly.

The change over to b20 is actually very straightforward as long as you keep the intake manifold from the b21. Hell you can even use the same transmission and clutch. On my girlfriend's 91 I did exactly that...used a b20 block and head, kept everything else...car runs great. Didn't need to touch the computer, car runs strong, it even feels faster than my blue 89
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Old 09-18-2009, 08:53 AM   #24
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Old 09-19-2009, 07:32 AM   #25
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thanks for the reply. Yeah i have been hearing a lot about the b20 seems to be a good engine i would like a jdm.. yeah i have already been through two b21's idk why i even bought the second one. Wow that would be awesome to just switch everything over and not deal with the computer bs and all that.. is there somewhere i could look to get a list of parts i would need to turbo the b20. i know i would want to resleeve it and get pistons and rings . but how about bigger valve springs and cams would i need any of that? you know anyone that has a good set up?
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