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 LYN Proton Saga/Iswara Drivers' Forum! V23, The first Proton car in production

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GMS FearLess
post Mar 21 2011, 10:35 PM

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QUOTE(EnochKeng @ Mar 21 2011, 10:30 PM)
Hi all Iswara sifu, I need some guidance about middle exhaust system. I recently change my extractor to 4-2-1. without changing the middle section. Leaving it with the original mid box. If I change the mid box to straight bullet will it make any different on the low end power/pick up? btw i still remain the stock piping.
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change cap ayam extractor make power losses instead.....what brand extractor you use??


if you use 4-2-1...you got power at higher rev-top speed
EnochKeng
post Mar 21 2011, 10:44 PM

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Erm, Im using Marco 4-2-1 extractor. When i install it, significant improvement was at the pick up and low rpm power around 2k. Usually my stock 4-1 manifold power come around 2.5k and above. below it was like no power at all. About the Middle section, should I change to mid bullet? for better low end power?
GMS FearLess
post Mar 21 2011, 11:18 PM

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QUOTE(EnochKeng @ Mar 21 2011, 10:44 PM)
Erm, Im using Marco 4-2-1 extractor. When i install it, significant improvement was at the pick up and low rpm power around 2k. Usually my stock 4-1 manifold power come around 2.5k and above. below it was like no power at all. About the Middle section, should I change to mid bullet? for better low end power?
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there extractor 4-1 make pick-up at lower rpm.....but suck at top speed/higher rpm...im use 4-1 setting..n/a middle exhaust section should ok.....wait the pros says....
ronzai89
post Mar 22 2011, 10:17 AM

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drive so fast for fooks ah?

got use meh if cannot control?

drive that fast, in the end what do you get?

NOTHING MAAAAAAAAAAAAAAAAAAA!!!!!!!!!!!!!!
GMS FearLess
post Mar 22 2011, 10:40 AM

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QUOTE(ronzai89 @ Mar 22 2011, 10:17 AM)
drive so fast for fooks ah?

got use meh if cannot control?

drive that fast, in the end what do you get?

NOTHING MAAAAAAAAAAAAAAAAAAA!!!!!!!!!!!!!!
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i choose pick-up coz since bring passanger.......
TSrozz_1291
post Mar 22 2011, 12:25 PM

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QUOTE(ronzai89 @ Mar 22 2011, 10:17 AM)
drive so fast for fooks ah?

got use meh if cannot control?

drive that fast, in the end what do you get?

NOTHING MAAAAAAAAAAAAAAAAAAA!!!!!!!!!!!!!!
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Yalor.... drive fast2 till 200km/h++ but cannot control no point maa.... whistling.gif
GMS FearLess
post Mar 22 2011, 02:29 PM

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QUOTE(rozz_1291 @ Mar 22 2011, 12:25 PM)
Yalor.... drive fast2 till 200km/h++ but cannot control no point maa.... whistling.gif
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use bigger tyre.... whistling.gif
DSV4600
post Mar 22 2011, 02:33 PM

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It's fun to join the 200km/h club!
GMS FearLess
post Mar 22 2011, 02:47 PM

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QUOTE(DSV4600 @ Mar 22 2011, 02:33 PM)
It's fun to join the 200km/h club!
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mine max km/h meter is 180..... sad.gif
EnochKeng
post Mar 22 2011, 02:58 PM

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help! on the mid bullet topic smile.gif thx
Zack Styler
post Mar 22 2011, 03:45 PM

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I need help here, I realized that there stains of engine oils as per the circled part below, where is the leaking engine oil come from ? doh.gif

user posted image
ronzai89
post Mar 22 2011, 04:13 PM

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QUOTE(Zack Styler @ Mar 22 2011, 03:45 PM)
I need help here, I realized that there stains of engine oils as per the circled part below, where is the leaking engine oil come from ?  doh.gif

user posted image
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head gasket
TSrozz_1291
post Mar 22 2011, 04:39 PM

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QUOTE(Zack Styler @ Mar 22 2011, 03:45 PM)
I need help here, I realized that there stains of engine oils as per the circled part below, where is the leaking engine oil come from ?  doh.gif

user posted image
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Maybe there is a leak from the rocker cover gasket, or from the distributor, or the head gasket maybe. nod.gif
Zack Styler
post Mar 22 2011, 04:43 PM

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QUOTE(ronzai89 @ Mar 22 2011, 04:13 PM)
head gasket
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QUOTE(rozz_1291 @ Mar 22 2011, 04:39 PM)
Maybe there is a leak from the rocker cover gasket, or from the distributor, or the head gasket maybe. nod.gif
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Thanks guys, is head gasket and rocket cover gasket same? hmm.gif
joefbi
post Mar 22 2011, 04:46 PM

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my fren use this setup long time ago on his 1.3 iswara. able to go 180 easily.

4-2-1 -> 1.8 inch pipe with nenas -> oval mid bullet -> 1.6 inch pipe original bending route -> 1.8 inch inlet oval muffler

Added on March 22, 2011, 4:58 pm
QUOTE(Zack Styler @ Mar 22 2011, 04:43 PM)
Thanks guys, is head gasket and rocket cover gasket same?  hmm.gif
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not at all...head gasket is made from fiber....rocker cover gasket only rubber ring cover around the rocker

This post has been edited by joefbi: Mar 22 2011, 04:58 PM
the_catacombs
post Mar 23 2011, 10:27 AM

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QUOTE(GMS FearLess @ Mar 21 2011, 10:14 PM)
ahh...wa kejar lu 170km/h lagi mana lepas..... sleep.gif
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wa mana tau... wa cruising saja maa...

QUOTE(EnochKeng @ Mar 21 2011, 10:30 PM)
Hi all Iswara sifu, I need some guidance about middle exhaust system. I recently change my extractor to 4-2-1. without changing the middle section. Leaving it with the original mid box. If I change the mid box to straight bullet will it make any different on the low end power/pick up? btw i still remain the stock piping.
*
minor difference only

QUOTE(GMS FearLess @ Mar 21 2011, 11:18 PM)
there extractor 4-1 make pick-up at lower rpm.....but suck at top speed/higher rpm...im use 4-1 setting..n/a middle exhaust section should ok.....wait the pros says....
*
terbalik la bro... 4-1 gives smoother high revs... 4-2-1 give better low-mid torque...

QUOTE(EnochKeng @ Mar 22 2011, 02:58 PM)
help! on the mid bullet topic smile.gif thx
*
find straight flow type... dun use swirl type... exhaust flow dont need to swirl...

QUOTE(Zack Styler @ Mar 22 2011, 03:45 PM)
I need help here, I realized that there stains of engine oils as per the circled part below, where is the leaking engine oil come from ?  doh.gif

» Click to show Spoiler - click again to hide... «

*
why the photo mcm kenal jer??.. hmm.gif

ur distributor o-ring leaking laa...
Zack Styler
post Mar 23 2011, 11:04 AM

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QUOTE(the_catacombs @ Mar 23 2011, 10:27 AM)
wa mana tau... wa cruising saja maa...
minor difference only
terbalik la bro... 4-1 gives smoother high revs... 4-2-1 give better low-mid torque...
find straight flow type... dun use swirl type... exhaust flow dont need to swirl...
why the photo mcm kenal jer??..  hmm.gif

ur distributor o-ring leaking laa...
*
That is your photo actually.. tongue.gif

Hmm I have a a look last night and realized the upper and middle part of the engine cover there got oil stains..
GMS FearLess
post Mar 23 2011, 12:07 PM

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QUOTE(the_catacombs @ Mar 23 2011, 10:27 AM)
1wa mana tau... wa cruising saja maa...
minor difference only
2terbalik la bro... 4-1 gives smoother high revs... 4-2-1 give better low-mid torque...
find straight flow type... dun use swirl type... exhaust flow dont need to swirl...
why the photo mcm kenal jer??..  hmm.gif

ur distributor o-ring leaking laa...
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1...lol.....wanna spend lah...how much change 4G18 crakshaft??conrod+piston+rebore??

2...ya ka?? doh.gif
TSrozz_1291
post Mar 23 2011, 12:14 PM

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QUOTE(the_catacombs @ Mar 23 2011, 10:27 AM)
wa mana tau... wa cruising saja maa...
*
Lansi laa!!!! Come cruising with me @ MEX. My cruising is at 90km/h saja. Speed limit 110km/h COME LAA.... whistling.gif
EnochKeng
post Mar 23 2011, 12:29 PM

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QUOTE(the_catacombs @ Mar 23 2011, 10:27 AM)
find straight flow type... dun use swirl type... exhaust flow dont need to swirl...
*
Thx sifu the_catacombs smile.gif Will kept that in mind when I visit the exhaust shop. Will upload some pic after I change it.
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