frsh13
Offline
957 posts
1991 240sx coupe
bergen county nj
1-16-2005
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| « Re: Top VS. Bottom MOUNTS (Silvia_Freak) | 9:13 PM 6/18/2007 |
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The quality and design of the manifold matters more than if it is top or bottom mount. As far as I know the only good bottom mount manifold for the KA is the AMS one, and the Revhard.
  Shift_Boost FTW
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s14_240sx
Offline
447 posts
96 240sx Zenki
markham on
10-24-2006
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| « Re: Top VS. Bottom MOUNTS (frsh13) | 10:49 AM 6/19/2007 |
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Alot of people cheap out and buy th ssauto**** top mounts, which are horribly made and don't have enough support so they crack. but it won't matter if you spend the extra money and buy good ****.
____________________________________________________________
 S14 240sx Zenki  Auto to manual swap FTMFW 
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S13FX
Polish Forum Moderator/ Web Dude
Offline
2469 posts
1990 Something or Another
Lake Villa IL
4-30-2005
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| « Re: Top VS. Bottom MOUNTS (s14_240sx) | 11:26 AM 6/19/2007 |
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| Quote, originally posted by s14_240sx » | | Alot of people cheap out and buy th ssauto**** top mounts, which are horribly made and don't have enough support so they crack. but it won't matter if you spend the extra money and buy good ****. |
Thats a false statement right there. Because there is just as many people out there that buy them and use them with no problems. I did on my CRX worked perfectly, the turbo gave up before the mani did. frsh13 s13 said it though, if the mani is reliable and good shouldn't matter if it's top or bottom. Bottom mount however might make it easier to fab up the down pipe.
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WDRacing
Porn Crusader
Online
17585 posts
1995 240SX, K5 Blazer
USA
11-25-2002
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Bottom makes for an easier downpipe...thats all there is. If you take similar manifolds and compare them, there will likely be little to no difference. Also for the record, Banks uses log manifolds with ALL of there turbo kits, to include the one that makes 1500WHP. So this BS about logs being bad is exactly that...BS. Don't believe the hype just cause it was posted on the almighty interweb. Unless of course I say it, then it's 100% fact. WD
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480sx
Angry Hippie - Gone but not forgotten.
Offline
4095 posts
1996 Pearl White 240sx
Northern Va
11-12-2006
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| « Re: (WDRacing) | 4:18 PM 6/19/2007 |
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Logs dont put down the torque that a tubular manifold will, but typically have a tinnnyyyy bit faster spool. Also no ones said anything about weight distribution. Top mounts put your center of gravity a bit higher than stock which really isnt what you want, while bottom mounts keep things a bit more balanced.
Victoriam mere
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S13FX
Polish Forum Moderator/ Web Dude
Offline
2469 posts
1990 Something or Another
Lake Villa IL
4-30-2005
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| « Re: (WDRacing) | 5:17 PM 6/19/2007 |
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| Quote, originally posted by WDRacing » | Don't believe the hype just cause it was posted on the almighty interweb. Unless of course I say it, then it's 100% fact. WD |
Well I dunno about 100% but maybe 99.9% but even then it's ok cause I make up for the .1% HAHA
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Florida240sx
Moderator
Offline
11632 posts
93 Hatch 5spd 93 vert 89 hatch
DeLand FL
7-1-2004
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Just remember WD is always right, if not he'll rig something up to back his "previous false" statement.
http://www.itsfunnyhoney.com/v..._timeKA-T why settle for anything less?
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spooled240
half JDM tYtE yO!
Offline
5719 posts
'97 red ess-one-four
califckedupfornia
1-20-2007
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| « Re: (480sx) | 1:06 AM 6/22/2007 |
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| Quote, originally posted by 480sx » | | Logs dont put down the torque that a tubular manifold will, but typically have a tinnnyyyy bit faster spool. Also no ones said anything about weight distribution. Top mounts put your center of gravity a bit higher than stock which really isnt what you want, while bottom mounts keep things a bit more balanced. |
So theres a small difference in the lag between the log style and the tubular? It seems as though the log-style manifolds are a bit quieter, more durable and dissipate less heat than the tubular types which are some other reasons for using the log mani.
Shift_ inspiration
 Want a custom grill for your kouki s14? s14 mudflaps FS
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480sx
Angry Hippie - Gone but not forgotten.
Offline
4095 posts
1996 Pearl White 240sx
Northern Va
11-12-2006
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| « Re: (spooled240) | 4:30 PM 6/22/2007 |
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Yea, but i wouldn't imagine it would be very noticeable. Think about it, with a log theres a smaller area to fill before it hits the turbine. With a tubular theres a bit more.
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KATwo40
Offline
1761 posts
1993 240sx KA-T
Knoxville TN
2-1-2005
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| « Re: Top VS. Bottom MOUNTS (s14_240sx) | 3:52 PM 6/25/2007 |
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I used a "crappy SSAC" T25 bottom mount, modified it to be a T3/T04E manifold and I absolutely loved it. Weight was kept lower, underhood temps near the brake reservoir were lower, downpipe flow was MUCH more linear, and I got fantastic spool. Made 15psi @ around 3500rpm with a .63 a/r exhaust housing.Here are some pics. 
The longer the sig, the slower the car...
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boznuttz
mad wordsause
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3516 posts
MS13
wordsause ny
3-15-2006
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| « Re: Top VS. Bottom MOUNTS (KATwo40) | 7:10 PM 6/25/2007 |
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Pioneering. 
NY/ PA/ NJ KA-T for sale --> http://forums.nicoclub.com/zer...sx-xe
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S13FX
Polish Forum Moderator/ Web Dude
Offline
2469 posts
1990 Something or Another
Lake Villa IL
4-30-2005
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| « Re: Top VS. Bottom MOUNTS (boznuttz) | 8:10 AM 6/26/2007 |
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Ok, if you guys want keep loading this thread up with INFO. I'm going to add it to our sticky up top. Seems like there is a lot of good info in here. Great job guys. Thanks,
Mike
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boznuttz
mad wordsause
Offline
3516 posts
MS13
wordsause ny
3-15-2006
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I had an SR T25 off of an SSAC bottom mount manifold and there were no problems. The Elbow off the turbo had a lot more clearance from the BMC.By the way guys, I'm selling a few bottom mount manifolds since I have them laying around my room. *INTERESTING FACT*
T2 bottom mount manifolds do not make good pillows. They also have the potential to stub my toe everytime I walk by my car parts 'pile'.
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r3skyline
Offline
70 posts
nissan 240sx (looking for)
university place wa
10-10-2006
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| « Re: (boznuttz) | 6:17 PM 6/26/2007 |
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jordan gladman sohc manifold..45*bottom mount with external wastegate. never cracked been running for over a year. very good design but needs elimination of a/c.
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new_to_drift
Offline
329 posts
89 240SX coupe
6-22-2004
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| « Re: Top VS. Bottom MOUNTS (Silvia_Freak) | 9:47 AM 4/11/2008 |
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what are some other reliable turbo manifolds? ive been researching, and im almost positive im lookin at a bottom mount. From what ive read people have had bad experiences with SS autocrome but at the same time many like them. If i got one of those and ensured the welds were good would that be enough? im only going to run a t28. I have searched but this is the only question I have. Thanks
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GEO
Offline
6440 posts
95 240sx KA-T
Berlin NJ
7-7-2003
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Bottom Mount keeps the engine bay alittle cooler.
GEO
95' 240sx KA-TGeo's Ride
Click the above image to check out my ride! 
NICO NITE KREW
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neverlift
Mad Thrasher
Offline
3288 posts
PIGNOSE #19 turbo piggy
sunshinestate
4-24-2006
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| « Re: Top VS. Bottom MOUNTS (new_to_drift) | 8:28 PM 4/12/2008 |
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I have an ssac that is so ****ty it has been threw like three turbo installs on 3 cars. Its about to get mod'd like shown above for a t3. IF dood ever comes thru with it... I have had to re weld one support tab that I thought looked suspect(looked like the welder didnt use enough filler)
but overall for the 30bux I paid it was worth every penny, and the guy before me was tough on it for sure, some may know him ichi go...
as for cheap vs pricey , I know 2 guys with quality manifolds that both cracked in the same spot. Both are top mount and t3/4, and both over 300whp. IIRC its something to do with the type of ss used in most manifolds, as to why they crack. Most 'quality' manifolds are made from the same ss as the ebay ones 
PIGNOSE SQUAD MEMBER # 19
someone buy my wheels http://forums.nicoclub.com/zer...57581----------------------------------
r.i.p. Dad I miss you
06/14/54~04/18/09
----------------------------------
r.i.p. Lee
09/01/89~09/28/06
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new_to_drift
Offline
329 posts
89 240SX coupe
6-22-2004
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when it comes to top or bottom mount manifolds, what is the difference when it comes to turbo outlet/ downpipe? from what ive seen all downpipes are the same
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480sx
Angry Hippie - Gone but not forgotten.
Offline
4095 posts
1996 Pearl White 240sx
Northern Va
11-12-2006
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| « Re: (new_to_drift) | 10:09 AM 4/18/2008 |
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Contrary to what you have seen, all downpipes are different. Each turbo manifold puts the turbo in a slightly different spot making it so your downpipe is a bit different on each manifold. Topmount manifolds make it so that running your downpipe is harder than a bottom mount.
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Jookmasta
Offline
5144 posts
Miami, FL
4-18-2003
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how about neither? i run a side mount log mani and have been doing so for the past 3 years lol. it's cast iron tho so no chance of cracking and has held up well for me. if i had to do it again, i'd go with the bottom mount only because the DP routing is much nicer and the less temp u have near the brake reservoir, the safer it is i feel. both designs have proven themself to be reliable in their own good but u have to take everything with a grain of salt. quality control on the materials used to form the manifold are kinda out of the hands of the person who welds em up or who distributes em. anyways, those are my thoughts on it.
It is cheaper to hook up your car than to have a girlfriend......................... 
 Brown Squad Member #19 ~ What can Brown do for YOU?
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480sx
Angry Hippie - Gone but not forgotten.
Offline
4095 posts
1996 Pearl White 240sx
Northern Va
11-12-2006
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| « Re: (Jookmasta) | 12:45 PM 4/18/2008 |
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Lol @ sidemount
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Jookmasta
Offline
5144 posts
Miami, FL
4-18-2003
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u know, i honestly i think i might be only person here on NICO to have a sidemount mani lol.
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ken240sx
Offline
1110 posts
'92 240sx, '03 TL-S + N2O, '05 Hyundai Accent Lawlz, '02 Chevy Prizm
Liverpool, NY/Sierra Vista, AZ
3-31-2005
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| « Re: (Jookmasta) | 3:22 PM 6/22/2008 |
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I'm bringing this thread back to state that side mounts are great. BMW uses some sidemount manis on their newer 3 series and it makes the turbo's sit about 1 1/2" from the exhaust ports, which helps reduce the lag a little.I'd say bottom mounts allow for a little better engine temps and clearance issues with the DP, MC, strut bar, hood, etc.
Top mounts allow for much better access to the turbo and easier disassembly, but have more problems with clearances and melting ****.
The advantage of the tubular manifold is when it is truly equal length. The equal length allows the exhaust pulses to not interfere and bunch up to create hot spots. In theory a true equal length tubular mani should allow for slightly better spool than a log, but if the log mani if quality and it allows for the turbo to sit close to the head so exhaust doesn't travel as far, it will aid in spool up time.
I'd say a quality equal length and a quality log are not going to be that much different for spool up times, logs tend to last longer cause many are made out of thicker, stronger metal.
I'd also like to put out that a cheap-average log mani probably won't perform as well as a cheap-average equal length(tubular). +1 for having a sidemount Jookmasta
| Quote, originally posted by addisonblck » | the naked man is always right...lol
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Ligerzero
Offline
53 posts
92 240sx
Rocklin Ca
2-22-2007
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| « Re: Top VS. Bottom MOUNTS (Silvia_Freak) | 6:05 PM 6/22/2008 |
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Ebay manifold with a t3 flange welded on as well as an external dump and flange for the wastegate....
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Reno
Offline
1008 posts
92 240sx FastBack
Internet Shadow
5-18-2005
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| « Re: Top VS. Bottom MOUNTS (Ligerzero) | 6:05 AM 6/23/2008 |
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http://cgi.ebay.com/ebaymotors...26r30
yes??
the turbo can sit even lower now YAY LOL damn should at least include some gaskets... 
| Quote, originally posted by WDRacing » | | There isn't anyone on here who hates the SR as much as I do. |
| Quote, originally posted by tu_bryan » | | i wanna buy a civic so i can rice it out |
| Quote, originally posted by WDRacing » | Anything SR related automaticlly makes your 240 Queer, its like a STD WD |
My page..................................
myspace.com/r3n0v4d0 
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boznuttz
mad wordsause
Offline
3516 posts
MS13
wordsause ny
3-15-2006
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Another SSAC T2 bottom mount with a tigged on T3 mount to house this beast T3/T4oe.Lol, the 3rd and 4th injectors aren't firing, I need to replace the dented and bent oil pan, and I need to make a new exhaust piece. Other than that, just little things here and there to get it all nice and fun!
VVV
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DMan II-40
Offline
1083 posts
1995 240SX SE
East Bay California
10-22-2006
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| « Re: (boznuttz) | 4:13 PM 6/23/2008 |
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I made a thread about the SSAC T2 eBay mani, Kinda just to get ideas on how to make them more reliable. List i have so far isnt much, but it includes slotting the runners for heat expansion, using a DP with a flex section to reduce stress, and last possible idea i had was to weld support bars in, i drew up an idea. Someone said reweld the whole thing but that is to much work for a cheep mani in my mind, but if you want go ahead. Everyone I have heard of getting them as like them so far with a couple exceptions. And for $100 I don't think it is a bad buy. Edit: forgot to link the thread if anyone is interested. http://forums.nicoclub.com/zerothread?id=346538
Currently: VLSD, 3" Apex'i exhaust, Apex'i filter, 17" 350z wheels, Aluminum Subframe Bushings, Battery Relocation
To Do: Tint, power brace, 248/232 Cam swap, Koni Yellow + GC sleevs, Zenki Side skirt with Nismo 270r Bumper, and paint.
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WDRacing
Porn Crusader
Online
17585 posts
1995 240SX, K5 Blazer
USA
11-25-2002
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| « Re: Top VS. Bottom MOUNTS (Ligerzero) | 6:37 PM 6/23/2008 |
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| Quote, originally posted by Ligerzero » | | Ebay manifold with a t3 flange welded on as well as an external dump and flange for the wastegate....
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AWSOME man...very well done. WD
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spooled240
half JDM tYtE yO!
Offline
5719 posts
'97 red ess-one-four
califckedupfornia
1-20-2007
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man that's really neat tucking that big *** t3/t4 on a bottom mount. BUT is your wg flange only tapping into the exhaust header runners from cyl 1 and 4??How much does this cost and how difficult is it? (bottom mount t2 manifold --> a bottom mount t3)
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allmotoref
Offline
61 posts
new york ny
6-30-2008
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| « Re: (spooled240) | 2:55 PM 6/30/2008 |
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i think the best is the fullrace top mount
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