Reinhoud
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Posts posted by Reinhoud
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Gents,
I took the engine of my GS1000 apart because it had a bad vibration above 5000rpm..
When I took the head off I noticed marks in the bores. All 4 bores, on the front and the back of the cylinders. The rest of the bore look like it hasn't done any work at all..
From one piston the top ring is thight in the groove.
The piston to wall clearence is 0.14mm, that's within spec of what JE recomends.
The bike has no rattle when cold, but when I've done about 80km or so, the engine is getting some heat in it, I do notice that the engine starts to sound more quiet, les rattle, smoother, you get what I mean I hope.
I don't think this is acceptable, would a hone be ok?
I can't find marks on the pistons or rings, pretty sure ring gap is ok, probably on the big side, but will check.
Thing is, if iy's the rings, wouldn't the whole bore be damaged?
Thanks
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I had to make my tank larger, when the bike was standing for a week it started to leak from the turbo, after that it takes 3 weeks before it starts to leak from the turbo
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On 4/11/2021 at 7:36 PM, clivegto said:
So the tank needs a breather as well as in and out pipes @wombat258
No!
I was told this and I tried this, no breather works much better..
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Think before you make a breather somewhere, when you do it on the wrong spot it can throw out a lot of oil!! Learnt that the hard way..
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With 2 psi my carbs just flowed over, 1 to 1.5 psi should be good.
I had to cut a bit from the spring in the FPR to lower the pressure.
The boost raises the fuel pressure to the right level.
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On 6/6/2021 at 10:41 PM, vizman said:
MTC pistons, FBM turbo system, BFT stuff.... disappointed dyno run @150 something bhp until I realised I’d snapped the waste gate actuator arm and it was wedged open....fixed now.
I love the first models of the GSXR's
How much HP after you fixed the waste gate?
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23 hours ago, Paulm said:
I really like this one..
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Nice to see all the different builds..
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Thanks guys.
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8 minutes ago, MeanBean49 said:
Yeah, used it for years with standard head and then a coupke of years more when I swapped to big valve ported head. Generally getting the same power top end plus better mid range and at lower boost.
A worked cylinder head will add power pretty much irrelevant of what the turbo is doing. Its a good way of getting more power when your turbo is at or close to its limit.
Thanks, top end is nice, but mid range is better..
I think this head I have will make a difference then, the ports are bigger and the same diameter over the whole length, also the bend before the valves are way smoother..
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Gents,
No clue if there is already a topic like this..
There are people here with turbo charged bike, I only have seen the bikes of 3 members here..
I'm curious how the other bikes look like..
So, please, show us your bike, bragging about numbers is always good
Here's mine; 1979 Suzuki GS1000 with a 1245cc big bore, stronger internals, small turbo, not overly fast, more a very smooth engine.
I don't need to shift back when I want to overtake something. Although it isn't really fast, it's not slow either!! It's never unpredictable, but on the other hand it lifts the front wheel in 3rd gear..
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Arttu and G I X E R 1460, I know you 2 have a lot of HP, I'm not trying to aim for those numbers, reasonably happy with what I have. But how did you get to those high numbers? Just a lot of boost, or did you do other modifications to get there?
Just curious..
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On 6/2/2021 at 8:00 PM, Arttu said:
Like said above, porting works the same way on boosted engines than on NA engines. But maybe I should add a couple of things that are worth of noting with boosted engines:
- Power gains will be similar, in percentage, than on NA engines. So typically around 10% maximum. If you aren't on the limits with the charger or knock threshold you can gain the same power by relatively small boost increase. On the other hand porting may improve off-boost performance too and make the turbo to spool faster.
- If you are already on the limits of your turbo you may not gain anything with porting since the turbo can't support increased flow.
Not sure if mine is on the limit, my small turbo seems to keep up, doesn't seem to lose presure when the revs go up, but I don't have the guts to look on the gauge when going flat out
I do know that a properly gasflowed head can make quiet a difference with an N/A enine, and the GS1000 doesn't has a good stock head, just wasn't sure if it makes a difference with a gasflowed head when added boost.
The head I have on it now is quiet an improvement with stock, but the other head is something different..
Loose as in not tight, or lose as in lost it, wich one is OO and which is O? I never can remember...
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On 6/2/2021 at 9:58 PM, MeanBean49 said:
I noticed a difference on mine too, added about 25bhp for the same boost levels throughout most of the rpm range. Its like anything, if the engine has to work less hard to do somthing, power will increase
25hp?! That's quiet a bit!! Have you riden your bike with and without a gasflowed head?
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Had a look in that (organized) mess called my shed, I have to spend quite a bit less $$$ then I thought.
I've found 3 intake valves, and the tappets I found pretty cheap on E-bay.
I have all I need in the other head, but I like to keep the other head assembled/complete.
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Tried the Suzuki dealer?
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Thanks guys!
I did read once that it wouldn't make a difference with forced induction, but I didn't think the source was reliable..
What you guys say about make it all as good as possible before boost, sounds logic.
I'll spend some money then
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Gents, I've got a ported head on my GS, it has a pretty nice flat torque curve, but I also have a gas flowed (Brian Johnson if I'm correct) lying around. It's a piece of art!! Very nicely done..
I want to take the engine apart to see if I can find what causes the vibration I have.
Now I thought to put that gasflowed head on. But this head needs some $$$ to spend on..
So, my question; Is there a considirable difference with a gas flowed head with forced induction?
I thought I ask before I start spending money.
Thanks
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On 5/23/2021 at 7:16 AM, TonyGee said:
What i was trying to say is, Suzuki do supply gaskets in multi packs as ive seen them first hand, im talking about smaller gaskets NOT head gaskets, i was trying to give the dealer that supplied Toni's gasket the benefit of the doubt !!!!!! he might be telling the truth about the head gaskets coming in a multi pack. end off.
The gasket kits I've seen were aftermarket, and they were crap..
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With that site you can find all the part numbers, from there it's easier to find part..
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On 5/22/2021 at 12:20 AM, Gixer1460 said:
Actually the part # is correct also 11141 - 49230 is correct. But both have been superceded by part # 11141 - 00A03. Information from AlphaSports. I would be more concerned that 'if genuine' a) why it was pictured clearly not in original packing and with random suzuki label and b) why you didn't get what was pictured and critically without the label! I smell a knock off gasket being passed off as original - its also its too cheap as everything even on Eblag is min. £69 + ! ! !
A lot of parts I order for my GS have superseeded parts numbers..
Here you find part numbers, also shows superseeded part numbers.
https://www.cmsnl.com/products/gasketcylinder-head-nas_1114100a03/
https://www.cmsnl.com/suzuki-gs1150-1984-e-usa-e03_model16005/partslist/#.YLESjKgzaM8
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http://dynoman.net/carb/mikuniRS2.html
This man sold me intake manifolds for my GS1000, lot cheaper then the OEM/stock ones, send him an E-mail.
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I've got a hole of 3mm in it, I think...
As long as it gets oil, it's a roller bearing, doesn't need much..
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On 5/16/2021 at 7:38 PM, Ragerover said:
I was away for a week and bike off for a few days when I got back so should have had the bike sone bar paint
whilst I was away Covid was announced
i was on the phone to my son whilst driving just having the general crack ( he’s 30 by the way so not a kid )
we were having a good moan about the biking season being fkd blah blah blah
We started discussing the build on the supercharged bike as I was doing a full refresh on that motor as well as a big bore and head job.
he then says I’ve found some of your secret stash of parts.
why don’t we just build summit
so that was it when I got back everything was stripped labelled and bagged
The engine was on the bench as was sone of my secret stash
bought the wheels ages ago and never used them nor the header
next will be the interesting bit the engine
Carbon wheels?
Your opinion please
in Forced Induction
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I thought that 0.14 already is a lot!!
I'll see if I can find the instructions, and do some measuring..