Bolt on Turbo for 4G92P SOHC
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1 more thing try to get DOHC head....better to play or mod in the future
i'm not talking like a full transplant here u can do like witch13...which u collect the stuff and do things step by step...thats how u learn the process of car development stages
just change the piston bro...GSR piston not that expensive...
it is better for you to change coz it will last your BOT better or more healty engine...
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Thanks bro for the advise. But one of my friends are also doing BOT. But he's using 4G91 DOHC. So he collecting all GSR item for bolt on. GSR TURBO manifold, GSR Intake, GSR TB, GSR Intercooler, everthing GSR...
Can I do the same for my 4G92P SOHC..? How about the ECU..?
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Hmm, heard it's not easy to BOT on a 4G92P SOHC... But I'd still like to try the best out of STOCK... Not looking for high boost... Just 0.6-0.7 bar max...
Plz help..
Plz help..
better using the wiring and the gsr ecu also.. dun`t for the the air flow sensor .
0.6-6.7 bar consider high lol.... need to play with the compression example metal gasket..low compression piston(b8,4azge or gsr piston)
Better get urself a 4g93T..less hassle and headache. Btw..i don't think ur stock clutch will last long after u've turbocharge ur engine. There're lot of hidden cost which u'll not know till u started. :proud:
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0.6-6.7 bar consider high lol.... need to play with the compression example metal gasket..low compression piston(b8,4azge or gsr piston)
Yeah, already ordered a 1.5mm metal gasket. This is flexible because one of my friend is working in a metal gasket shop. Forgotten the name of the shop. With a 1.5 metal gasket, I manage to reduce the compression ratio to 8.67:1. And I've just got myself 4 pieces of GTI pistons. They are flat top, so compression is going to be lower than my stock roof top pistons. They might b able to further bring down my compression ratio. Maybe 8.5:1 or less.
Yaa... but not easy to bear sekali 10K+. And I like the 4G92 block. Dunno, got kam ching already... Planning to try out BR clutch or exedy. Heard BRClutch is performing quite well.
witch, items are almost complete for my first stage BOT. Just e-manage, boost meter, boost controller and installation. Planning to install in October...
How about U..? Ready to go..?
me? still collecting stuff ma... maybe next month or before raya will settle the thing
Speed2horizon....
1.6 BOT project. Nice... Seems like you have read alot in the net or magazines as you are talking about compression ratio. But you need to read more or gain experience in turbocharging before you do anything. And i can guarantee you, in the end you will be spending more than transplanting GSR halfcut ...
Just ask yourself why you want to add BOT? Just for added accelaration? If yes you can go BOT. If you want to go for high horsepower, maximum horsepower, and bla bla...just dont waste your time on BOT. meaning less you spent on BOT, might as well go for transplant.
Do study more what is compression ratio and how to calculate it, rather than guessing what is compression ratio that you need. Changing GTI "flat" pistons wont do you any good for turbocharging. The engines components arent designed for turbocharging but for NA application. Running at 0.6bar, it's a matter of time when your engine give way due to the stress of the forced induction to your piston, conrod, bearing and crankshaft. And perhaps you will increase your boost as you crave for more. That is human's behaviour hehe
I had a friend that turbocharged his NA honda had the pistons flew out from the engine...:P
Good luck with your project.
evo5755 agree on ya , do a BOT if u want to go for slight power adder
if u tend to go for high power , then of cos it will cost more than a turbo halfcut , it will sure be less reliable if not done properly , lot of time taken , cash of cos more, at the end of the road of BOT is Turbo block :P and etc all from the turbo halfcut , i find even the GSR 93T not worthit for its price , even more if it is a BOT , a Evo 1 is around 6k , transplant and jpj kawtim would be around 4k , and the evo1 will eat the BOT's and 93T's for lunch even though amount spent on the non evo is higher , yeahhh for sure u can fit bigger turbos and stuff to add power to that 93 , but just watch how reliable it is :D , but if u r doing for fun or for knowledge, go ahead, its a good expensive experience hehehehe
an example
a BOT project starts with a 92p SOHC -> then 93 block -> mod to 93t pistons , conrod , crank -> mivec head or gsr head -> break the block -> find gsr fresh block -> install management -> still call it a BOT ? "siapa makan cili dia la rasa pedas" , i know many have already opted to gsr blocks , ecu , injectors , etc , but they wont popup and admit it , cos they want to remain as a BOT powered car
i know for sure a joker would reply to me after this
"my friend got this" , "my friend running that " bollocks , i been running turbo's for years and broken uncountable blocks on my journey for knowledge
if u tend to go for high power , then of cos it will cost more than a turbo halfcut , it will sure be less reliable if not done properly , lot of time taken , cash of cos more, at the end of the road of BOT is Turbo block :P and etc all from the turbo halfcut , i find even the GSR 93T not worthit for its price , even more if it is a BOT , a Evo 1 is around 6k , transplant and jpj kawtim would be around 4k , and the evo1 will eat the BOT's and 93T's for lunch even though amount spent on the non evo is higher , yeahhh for sure u can fit bigger turbos and stuff to add power to that 93 , but just watch how reliable it is :D , but if u r doing for fun or for knowledge, go ahead, its a good expensive experience hehehehe
an example
a BOT project starts with a 92p SOHC -> then 93 block -> mod to 93t pistons , conrod , crank -> mivec head or gsr head -> break the block -> find gsr fresh block -> install management -> still call it a BOT ? "siapa makan cili dia la rasa pedas" , i know many have already opted to gsr blocks , ecu , injectors , etc , but they wont popup and admit it , cos they want to remain as a BOT powered car
i know for sure a joker would reply to me after this
"my friend got this" , "my friend running that " bollocks , i been running turbo's for years and broken uncountable blocks on my journey for knowledge
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Speed2horizon....
1.6 BOT project. Nice... Seems like you have read alot in the net or magazines as you are talking about compression ratio. But you need to read more or gain experience in turbocharging before you do anything. And i can guarantee you, in the end you will be spending more than transplanting GSR halfcut ...
Just ask yourself why you want to add BOT? Just for added accelaration? If yes you can go BOT. If you want to go for high horsepower, maximum horsepower, and bla bla...just dont waste your time on BOT. meaning less you spent on BOT, might as well go for transplant.
Do study more what is compression ratio and how to calculate it, rather than guessing what is compression ratio that you need. Changing GTI "flat" pistons wont do you any good for turbocharging. The engines components arent designed for turbocharging but for NA application. Running at 0.6bar, it's a matter of time when your engine give way due to the stress of the forced induction to your piston, conrod, bearing and crankshaft. And perhaps you will increase your boost as you crave for more. That is human's behaviour hehe
I had a friend that turbocharged his NA honda had the pistons flew out from the engine...:P
Good luck with your project.
Thanks for the input bro... I know how comrpession ratio is being calculate. The figure was not a figure plugged from the sly or somewhere... It's by calculation...
Thanks for being concern and worried about my engine... I also understand the theory behind all the stresses that will be faced by the pistons, crank and conrod. Including the block and head itself... I am a person whom strongly stands on the engineering side. Just like 4G93 and 4G93t engines. They are designed to take different load and worked under different envronment... Oil squirter and the low compression pistons with internal offset are very good examples of the same engien but different application..
However, I've already learn and prepare to face the worse consequences... There are few reasond why I'll go for BOT.
1) Enjoying the improvement and collection of item. As through this way, I learn more...
2)Would like to go around and learn about how things work in practical application compare to theory.
3) can hang around and play aournd and understand more about the limit of an engine before transplanting into a more power engine...
4) Can delay the prooject if necessary, e.g. no money. U pay part by part. Not like transplant. Have to pay everything upon installation.
Anyway, thanks for the input again...
Speed Horizon,
Well, if you want to learn more by paying more, perhaps you can go for it..Good if you knwo the engineering side. I have great interest in cars and previously was working in manufacturing section supplying metal parts for Toyota and Perodua...:) Trust me the testing and stuff really have alot of reasons behind it.
What you can see is oil squirter and bla bla...what you cant see is material properties and how it varies among each other. What is forged and semi forged and cast iron. Even cast iron have different stregth,mettalurgy and so on...ok i think i talk too much on this hehehe
The spec that japanese had was designed and tested for NA. If you want to go step by step for BOT, i would recommend at least you change to turbocharged spec pistons(not some na piston) and race bearing before you start all project. Think it would be safe then. Good luck
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It all interest me very welll bro, thank you so much. I am already planning sell off the GTI Pistons already and get some GSR pistons. I think we can be friends more than just forummier....
I worked in a company that provides solution to die casting company interms of hardware and consultancy... So, no worries about the engineering terminologies. I can understand.
And actually, thinking of cutting cost because everything is under budget. And as I've said earlier before anything... I'm not going for a super power car... For me, achieving 0.6 bars and having 150HP would makes me a happy man...
And i also agreed with bro jinkl regarding changing blocks and almost every internal stuff and at the end of the day, still calling themself BOT. And spent maybe double or even tripple of the cost of transplant. which is more reliable. Sometimes people tends to go beyond the limit of what the engine can take from BOT which causes the engien to fail. Well, I would call it transplant when blocks were upgraded to replace the stock engine block.
But afterall, terminology is a very sobjective matter. For me, it's just a term... Basically, we are just modifying cars... Thank you bro evo5755 and jinkl for all the inputs. I need to learn more form experience ppl like U two. Appreciated. See when we can come out for TT. And that's on me....
Speed Horizon,
Sure no problem...We can meet out for TT and talk more and will be back next week. Since i am currently not working in Malaysia though..hehe
But we just share from our own experience. We have been like you before. So we just tell you what is the pro's and con's. Jinkl is a sifu in 4G63 and he has a monster hehe. I have yet to meet him, but he is very knowledagable in turbo specs and the flows criteria, and you can ask him about turbo matters. Well the forum is great, can be friends and share among each other.
Well, i am not sure if you have driven a fast car, or a turbocharged car. I assume you are driving a NA 1.6litre car. But, once you have driven forced induction car, you will want more. There you will find the limits of your engine and you want to modify more, spend more and at the end of the day, you end up change the whole engine. That is only on engine. If you are driving 4G63 stock standard and you tried boosting 1.2 bar you will want more and more and more....Trust me...hehe..all people will tell you the same. No such thing as satisfaction, as you will get bored with your engine's power. heheheh..
Since you are under budget, you should save and go one shot to 4G63 or 4G93. Will save you more $$$ and more satisfaction and more room for upgarade. Dont forget by doing BOT, you need to change metal gasket, engine internals, turbo, maybe next time bigger turbo, clutch, suspension, BIGGER BRAKES, manifold, and the list goes on.......but by then with all the mods and $$$, your performance maybe be the same with 4G93 because one day whilst you were accelarating, a proton 4G93 or wihth EVO engine overtake you...:proud:
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Speed2horizon,
You are wasting your time & money with BOT.
I once thought like you.
But in the end, you'll realize the total money spent will be enough for an EVO transplant.
I've said it and I'll sya it again.
BOT is only fun and worthwhile to play with at stock settings (low boost, stock internals, etc)
But once you start to mod a BOT, it gets very expensive.
My BOT 4G92p / 235whp @ 24kg torque
You are wasting your time & money with BOT.
I once thought like you.
But in the end, you'll realize the total money spent will be enough for an EVO transplant.
I've said it and I'll sya it again.
BOT is only fun and worthwhile to play with at stock settings (low boost, stock internals, etc)
But once you start to mod a BOT, it gets very expensive.
My BOT 4G92p / 235whp @ 24kg torque
Speed2horizon,
You are wasting your time & money with BOT.
I once thought like you.
But in the end, you'll realize the total money spent will be enough for an EVO transplant.
I've said it and I'll sya it again.
BOT is only fun and worthwhile to play with at stock settings (low boost, stock internals, etc)
But once you start to mod a BOT, it gets very expensive.
My BOT 4G92p / 235whp @ 24kg torque
Joeker,
Are you still having your BOT4G92, or you have already changed to an Evo powerplant. I would say it is very impressive to have 235whp withe the torque and very detailed and complete job for the BOT package.
From the pics I see a big intercoooler, 4G93 intake manifold, steel braided hose with oil cooler, wastegate, 4G93 derived turbo manifold (Perhaps you are using GSR block i think and also running TD05 )and perhaps a standalone management system cuz you are not running AFM. And more unseen stuff inside the engine. Mind to share how much you spent?hehehe
Or you can share on the performance wise when you have it against EVO and whether the money spent on BOT is worth it?
Yes, you are almost rite.
Except block was 1.6 SOHC + Garrett t28
Mods? too many too list...MSD, Clevitte, Haltech, honing, etc, etc, etc,
$$$$ spent? I don't wanna remember, the amount can make me sleepless :(
Performance? just friendly test with frens, can follow mildly moded 4G93t Satria, stock engine VR4 Wira with "tulang-ikan" overboost and bone stock EVO6.
Except block was 1.6 SOHC + Garrett t28
Mods? too many too list...MSD, Clevitte, Haltech, honing, etc, etc, etc,
$$$$ spent? I don't wanna remember, the amount can make me sleepless :(
Performance? just friendly test with frens, can follow mildly moded 4G93t Satria, stock engine VR4 Wira with "tulang-ikan" overboost and bone stock EVO6.
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