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vimtozz |
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vimtozz L Plate Warrior
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Howling Terror |
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Howling Terror Super Spammer
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vimtozz |
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vimtozz L Plate Warrior
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P. |
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P. Red Rocket
Joined: 14 Feb 2008 Karma :
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Posted: 23:52 - 09 Jan 2018 Post subject: |
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It is definitely not related to an R6
Edit - total flan, its the xj6, not xj600
Last edited by P. on 11:18 - 10 Jan 2018; edited 1 time in total |
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vimtozz |
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vimtozz L Plate Warrior
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Fizzer Thou |
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Fizzer Thou World Chat Champion
Joined: 06 Aug 2011 Karma :
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Posted: 00:05 - 10 Jan 2018 Post subject: |
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I polished up the ports on a single cylinder Honda a few years ago and it definitely let the engine breath better at all revs
https://i666.photobucket.com/albums/vv23/WiNot_Rhencullen/Workshop/CIMG2982.jpg~original
Smoothing the inlet tracts makes for far more of a difference than the exhaust ports.Just smoothing the casting marks and knife edging the ridge between the inlet tracts makes it worthwhile
I have done the same to my Exup1000 cylinder head (20 valves ) and to a 5JJ R1 cylinder head and in both instances a smoother engine pickup and better throttle response was felt at all revs
I am looking forward to doing the same to my KTM 450 and XR400 cylinder heads at some time in the future ____________________ Just talk bikes.What else is there?
Always have a 'Plan B'
Last edited by Fizzer Thou on 22:05 - 15 Jan 2018; edited 1 time in total |
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Rogerborg |
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Rogerborg nimbA
Joined: 26 Oct 2010 Karma :
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Posted: 08:54 - 10 Jan 2018 Post subject: |
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vimtozz wrote: | Ah well, Im on a A2 licence atm so quite happy with the bike. |
Interesting choice, makes a change from the usual twins.
Restricted, or "restricted"?
vimtozz wrote: | Can finally take my full bike test late july when i turn 21. |
I'm sure you know, but so we're clear, it's 2 full years after you obtained A2, not when you hit 21.
Great news is that you can just book it yourself use your XJ for it rather than going via a training school. You can just "derestrict" it in the test centre car park. ____________________ Biking is 1/20th as dangerous as horse riding.
GONE: HN125-8, LF-250B, GPz 305, GPZ 500S, Burgman 400 // RIDING: F650GS (800 twin), Royal Enfield Bullet Electra 500 AVL, Ninja 250R because racebike |
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rpsmith79 |
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rpsmith79 World Chat Champion
Joined: 31 Jan 2017 Karma :
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AshWebster |
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AshWebster Brolly Dolly
Joined: 05 Jan 2017 Karma :
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MarJay |
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MarJay But it's British!
Joined: 15 Sep 2003 Karma :
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Rogerborg |
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Rogerborg nimbA
Joined: 26 Oct 2010 Karma :
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MarJay |
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MarJay But it's British!
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vimtozz |
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vimtozz L Plate Warrior
Joined: 11 Jul 2016 Karma :
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Posted: 11:19 - 10 Jan 2018 Post subject: |
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I have a certificate saying its restricted okay :p Convo ends.
I do have a before dyno chart and will try find time to get it on a dyno again. In process of putting the bike back together now so i will update how it feels to ride this evening. I also have installed a power commander since that dyno.
I dont want to ditch the bike, this will stay my daily commuter for a long time. I took my test days after i turned 19 so when i turn 21 in july and take my full test, i want to get a second bike, Something more crazy for sunny days only. Looking at Superduke 990R |
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AshWebster |
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AshWebster Brolly Dolly
Joined: 05 Jan 2017 Karma :
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Posted: 11:22 - 10 Jan 2018 Post subject: |
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my scoob going on the dyno in march - last time it was dynod at 360. that was before i:
ported
740cc injectors
fuel pressure reg
front mount intercooler
3 port boost control solenoid
FP Red GT35 turbo
shed about 75kg in weight
hoping for 400-450
edit: i sense downvote for car talk incoming shit..... ____________________ Honda cg125 J reg peice of shit ---> CB650F ---> 2016 CBR600RR
Ford KA ---> 93' MR2 ---> 94'MR2 ---> 98' Subaru WRX STI Ver 3 (track car) |
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rpsmith79 |
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rpsmith79 World Chat Champion
Joined: 31 Jan 2017 Karma :
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Posted: 11:26 - 10 Jan 2018 Post subject: |
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AshWebster wrote: | my scoob going on the dyno in march - last time it was dynod at 360. that was before i:
ported
740cc injectors
fuel pressure reg
front mount intercooler
3 port boost control solenoid
FP Red GT35 turbo
shed about 75kg in weight
hoping for 400-450
edit: i sense downvote for car talk incoming shit..... |
That'll make a huge difference on the dyno ____________________ Current Bike: Honda CG125 ES4 // Honda CB600FS Hornet // Triumph Street Triple R |
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AshWebster |
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AshWebster Brolly Dolly
Joined: 05 Jan 2017 Karma :
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Posted: 11:28 - 10 Jan 2018 Post subject: |
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rpsmith79 wrote: | AshWebster wrote: | my scoob going on the dyno in march - last time it was dynod at 360. that was before i:
ported
740cc injectors
fuel pressure reg
front mount intercooler
3 port boost control solenoid
FP Red GT35 turbo
shed about 75kg in weight
hoping for 400-450
edit: i sense downvote for car talk incoming shit..... |
That'll make a huge difference on the dyno |
that was for the track obviously :p its genuinely louder in my car than on my bike (with an aftermarket can too) ____________________ Honda cg125 J reg peice of shit ---> CB650F ---> 2016 CBR600RR
Ford KA ---> 93' MR2 ---> 94'MR2 ---> 98' Subaru WRX STI Ver 3 (track car) |
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Rogerborg |
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Rogerborg nimbA
Joined: 26 Oct 2010 Karma :
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Moxey |
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Moxey World Chat Champion
Joined: 11 May 2011 Karma :
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Posted: 20:40 - 10 Jan 2018 Post subject: |
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Nice to see some effort put into tinkering with a motor nowadays when most would just plug in a tweaked fuel map or switch air filter but similarly this begs the question why not just do that?
From what i understand modern engines are relatively well manufactured from the get go with little casting imperfections to hinder performance significantly compared to years past, a remap or some much would probably equal similar gain for far less work and cost (unless you did the latter on your tod).
Not criticising just curious really, (funnily enough Friday I'm collecting my 750 head which has just had the same plus new guides and a light skim, some was necessary but the porting just for the sake of it). ____________________ Current: 55 FZS 1000S, 02 FZS 1000, 77 CG 125, 04 XR 125 Some Bike Pics...
'I was too busy paying attention to pay attention' |
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stevo as b4 |
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stevo as b4 World Chat Champion
Joined: 17 Jul 2003 Karma :
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Posted: 21:32 - 10 Jan 2018 Post subject: |
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Nice work OP.
Ash, honest question here mate, but I assume your Subaru is a 2.0 and not a 2.5? Do you think that on the road and even some of the time on track, that the much bigger turbo you've fitted for the big power increase will make the car faster rather than slower in the real world?
My Rover has never been dyno'd but I'm guessing at 16psi it's 260-275bhp, and that's on a T28 journal bearing turbo. It feels slower than a std one around town, (not helped by lower compression pistons). I don't get any boost below 2600rpm and double figures are around 3000rpm+.
That's too high for a lazy driver like me who just wants to floor it at low Revs and feel it accelerating hard.
I only ask your take on it, as Ive driven a std 2.0 bug eye Sti on a small track, and was less impressed than I was with a turbo 2000 classic engine wise.
Lots of turbo car owners seem to like big turbos and huge top end numbers at the expense of lag and dull low speed performance.
Im just miserable and old, and want a 5.0 V8 Nasp runabout I think though. |
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vimtozz |
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vimtozz L Plate Warrior
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Chuffin Nora |
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Chuffin Nora World Chat Champion
Joined: 02 Sep 2013 Karma :
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Posted: 23:12 - 10 Jan 2018 Post subject: |
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AshWebster wrote: | my scoob going on the dyno in march - last time it was dynod at 360. that was before i:
ported
740cc injectors
fuel pressure reg
front mount intercooler
3 port boost control solenoid
FP Red GT35 turbo
shed about 75kg in weight
hoping for 400-450
edit: i sense downvote for car talk incoming shit..... |
What has your shed got to do with it? ____________________ There's a fine line between integrity |
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stevo as b4 |
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stevo as b4 World Chat Champion
Joined: 17 Jul 2003 Karma :
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Robby |
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Robby Dirty Old Man
Joined: 16 May 2002 Karma :
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AshWebster |
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AshWebster Brolly Dolly
Joined: 05 Jan 2017 Karma :
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Posted: 11:18 - 11 Jan 2018 Post subject: |
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stevo as b4 wrote: | Nice work OP.
Ash, honest question here mate, but I assume your Subaru is a 2.0 and not a 2.5? Do you think that on the road and even some of the time on track, that the much bigger turbo you've fitted for the big power increase will make the car faster rather than slower in the real world?
My Rover has never been dyno'd but I'm guessing at 16psi it's 260-275bhp, and that's on a T28 journal bearing turbo. It feels slower than a std one around town, (not helped by lower compression pistons). I don't get any boost below 2600rpm and double figures are around 3000rpm+.
That's too high for a lazy driver like me who just wants to floor it at low Revs and feel it accelerating hard.
I only ask your take on it, as Ive driven a std 2.0 bug eye Sti on a small track, and was less impressed than I was with a turbo 2000 classic engine wise.
Lots of turbo car owners seem to like big turbos and huge top end numbers at the expense of lag and dull low speed performance.
Im just miserable and old, and want a 5.0 V8 Nasp runabout I think though. |
Yes its a 2.0 - im not a fan of the 2.5 needs far too much refurb from stock to be able to put power through (sooo many 2.5 failures around)
There is definitely turbo lag up to around 2500-3000, but im planning to map in anti-lag when it goes into the mappers in March which should alleviate these problems (at the expense of some turbo life i know).
Mine is a classic 97 JDM STI which IMO are better than most newages with the exception of the Hawkeye JDM. The only ones better really (mechanically) are the STI type R and the 22b.
Originally it was planned for Santa Pod hence the big turbo but im kinda moving sideways and hybriding it now cos the track is addictive. ____________________ Honda cg125 J reg peice of shit ---> CB650F ---> 2016 CBR600RR
Ford KA ---> 93' MR2 ---> 94'MR2 ---> 98' Subaru WRX STI Ver 3 (track car) |
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goto10 |
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goto10 World Chat Champion
Joined: 16 Oct 2011 Karma :
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Posted: 11:32 - 11 Jan 2018 Post subject: |
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stevo as b4 wrote: | Nice work OP.
Ash, honest question here mate, but I assume your Subaru is a 2.0 and not a 2.5? Do you think that on the road and even some of the time on track, that the much bigger turbo you've fitted for the big power increase will make the car faster rather than slower in the real world?
My Rover has never been dyno'd but I'm guessing at 16psi it's 260-275bhp, and that's on a T28 journal bearing turbo. It feels slower than a std one around town, (not helped by lower compression pistons). I don't get any boost below 2600rpm and double figures are around 3000rpm+.
That's too high for a lazy driver like me who just wants to floor it at low Revs and feel it accelerating hard.
I only ask your take on it, as Ive driven a std 2.0 bug eye Sti on a small track, and was less impressed than I was with a turbo 2000 classic engine wise.
Lots of turbo car owners seem to like big turbos and huge top end numbers at the expense of lag and dull low speed performance.
Im just miserable and old, and want a 5.0 V8 Nasp runabout I think though. |
I fitted a T30 to my MR2 (along with the supporting mods, obvs), I regret doing it all TBH - as you say, it's lagggggyyyy - it comes on ridiculously strong (usually wanting to swap ends) and you need to keep it on the boil to have any fun. It has a VTA wastegate (screamer) which I also regret doing, can't use it on trackdays now. TBH I used to have more fun with my old NA 1.6 Mk1 MR2 - in summary, good for embarassing people on motorways, boring in every other aspect.
I'm seriously thinking about swapping the turbo out and refitting a hybridised CT20 (the standard turbo for the car) - big numbers don't mean much if they're no fun :/ But like you - I'm just getting miserable and old. (I've had the car for nearly 20 years now! Not even sure why I've kept it TBH, just clinging onto my yoof..) ____________________ '12 NC700S & '12 CB600F Hornet [Stolen by some dickless twat] Suzuki GT500 shed |
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Old Thread Alert!
The last post was made 6 years, 98 days ago. Instead of replying here, would creating a new thread be more useful? |
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