hi all, who has a g13b twin cam conversion and what do you think of it?
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| gti twin cam conversion whos got one and what do you think? https://www.auszookers.com/forum/viewtopic.php?f=5&t=15289 |
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| Author: | skye [ Tue Sep 21, 2010 8:32 am ] |
| Post subject: | gti twin cam conversion whos got one and what do you think? |
hi all, who has a g13b twin cam conversion and what do you think of it?
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| Author: | Fatzook [ Tue Sep 21, 2010 8:37 am ] |
| Post subject: | Re: gti twin cam conversion whos got one and what do you thi |
Most people who have them, love them. Personally I think its the wrong motor for a sierra, but thats just my opinion. What are you using the vehicle for? If you are planning on racing it, the GTI donk isn't a bad way to go. |
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| Author: | SuziBlu [ Tue Sep 21, 2010 8:43 am ] |
| Post subject: | Re: gti twin cam conversion whos got one and what do you thi |
Fatzook wrote: Most people who have them, love them. Personally I think its the wrong motor for a sierra, but thats just my opinion.
Looking at power figures, lot of work, very little gain, I fully agree with fats, wrong motor. |
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| Author: | skye [ Tue Sep 21, 2010 8:48 am ] |
| Post subject: | Re: gti twin cam conversion whos got one and what do you thi |
ive got air lockers , reduction gears, ruf, 31's , 6 point cage, and i will be doing a bit of every thing rocks, mud , hills, beach, daily commuting, i can get a g16a efi from an import vitara, but cant get commputor or harness to suit import g16a mpi only g16b mpi and have been told this will not work so i'm looking at a g13b twin cam, engine, loom ,afm and ecu all from one car, will this set up be usless of road? |
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| Author: | jonno_racing [ Tue Sep 21, 2010 8:48 am ] |
| Post subject: | Re: gti twin cam conversion whos got one and what do you think? |
i have mine.. i LOVE IT.. (all 3 of them) i do alot of mud and slippery work and it is simply awsome! the power figures say its well worth it imo! the motor will bolt in. its a fairly straight forward conversion. one tip.. if u buy one REBUILD it before u put it in.... i learnt this the hard way |
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| Author: | jonno_racing [ Tue Sep 21, 2010 8:52 am ] |
| Post subject: | Re: gti twin cam conversion whos got one and what do you thi |
| Author: | sleeperzook [ Tue Sep 21, 2010 9:07 am ] |
| Post subject: | Re: gti twin cam conversion whos got one and what do you thi |
| Author: | jonno_racing [ Tue Sep 21, 2010 9:15 am ] |
| Post subject: | Re: gti twin cam conversion whos got one and what do you think? |
yeah it does depend on what you do/ your driving style. i have driven a few spots others havent purely because i have 3000 more usable revs. i am looking forward to putting mine on the dyno, due to it running a sierra dizzy it has lots of power down low, but still has plenty of balls up top. |
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| Author: | bazook [ Tue Sep 21, 2010 9:41 am ] |
| Post subject: | Re: gti twin cam conversion whos got one and what do you thi |
i love mine with the right gearing and a good decent tune there great i have 32s 6.5.1 gears a de compression motor with a t25 turbo and i just got mine tuned. i love it |
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| Author: | mnemonix [ Tue Sep 21, 2010 10:21 am ] |
| Post subject: | Re: gti twin cam conversion whos got one and what do you think? |
Most people that have a GTI donk like it - true. Most of these people have only driven with the stock engine for comparison. Of course they prefer the gti. Out of all the easy conversions though, G16b winds hands down once you've owned or regularly driven with the other conversions. I've had 1.0, 1.3, gti, 4age, g16a, 616b and g16b-gti in my shed in the past few years. g16b. end of story. Power gain, simplicity, reliability, suitable torque range, fuel economy. |
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| Author: | ajsr [ Tue Sep 21, 2010 10:22 am ] |
| Post subject: | Re: gti twin cam conversion whos got one and what do you think? |
jonno_racing wrote: yeah it does depend on what you do/ your driving style. i have driven a few spots others havent purely because i have 3000 more usable revs. i am looking forward to putting mine on the dyno, due to it running a sierra dizzy it has lots of power down low, but still has plenty of balls up top.
Why would the sierra dizzy give you better low down? a cam might but the dizzy only goes round and and fires every 90deg. the dist advance maybe slightly different but I wouldnt think it would make a lot of difference. |
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| Author: | skye [ Tue Sep 21, 2010 10:31 am ] |
| Post subject: | Re: gti twin cam conversion whos got one and what do you thi |
so can anyone tell me can i run the angled cam drive and the sierra dizzy in a mark 3 1998 engine , suzisport reckons i can but others say i cant with the standard ecu as the mark 3 has a crank angle sensor in the dizzy or is ther another dizzy that i can use? |
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| Author: | unique_seek [ Tue Sep 21, 2010 10:50 am ] |
| Post subject: | Re: gti twin cam conversion whos got one and what do you thi |
I run a gti turbo engine,so can only comment on the F/I side of things..they are a great motor!!!!and can take a thrashing(well built) there is actually very little work to do the conversion if you know what to do and have all the wiring diagrams ect.Having said that,I have also driven a zook with a 16b,and they go great!!!Depending on what your plans are,the gti engine is a screamer(limit near 8grand) and do make power,but the g16b has better torque and less revving means better fuel economy(in theory) and if your running reduction gears,well you dont need too much power anyways.... I would go the gti with a turbo/supercharger way more fun,and there arn't that many around....go to redlinegti.com for all your info... And if you need any help I got heaps of wiring diagrams ect... I gotta do it... G to the T to the I.. |
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| Author: | unique_seek [ Tue Sep 21, 2010 10:53 am ] |
| Post subject: | Re: gti twin cam conversion whos got one and what do you thi |
skye wrote: so can anyone tell me can i run the angled cam drive and the sierra dizzy in a mark 3 1998 engine , suzisport reckons i can but others say i cant with the standard ecu as the mark 3 has a crank angle sensor in the dizzy or is ther another dizzy that i can use?
pretty sure you need the mark 3 dizzy...you can run a mazda cap(forgot the model num) that will clear the firewall and all the leads point up...check on redline...they guys there know them inside out |
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| Author: | jonno_racing [ Tue Sep 21, 2010 11:37 am ] |
| Post subject: | Re: gti twin cam conversion whos got one and what do you thi |
unique_seek wrote: skye wrote: so can anyone tell me can i run the angled cam drive and the sierra dizzy in a mark 3 1998 engine , suzisport reckons i can but others say i cant with the standard ecu as the mark 3 has a crank angle sensor in the dizzy or is ther another dizzy that i can use? pretty sure you need the mark 3 dizzy...you can run a mazda cap(forgot the model num) that will clear the firewall and all the leads point up...check on redline...they guys there know them inside out Thats spot on! i have mk1 injection with a mk3 motor. i also made my addaptor! ajsr wrote: Why would the sierra dizzy give you better low down? a cam might but the dizzy only goes round and and fires every 90deg. the dist advance is slightly different but I wouldnt think it would make a lot of difference. timeing is everything mnemonix wrote: Most people that have a GTI donk like it - true.
Most of these people have only driven with the stock engine for comparison. Of course they prefer the gti. Out of all the easy conversions though, G16b winds hands down once you've owned or regularly driven with the other conversions. I've had 1.0, 1.3, gti, 4age, g16a, 616b and g16b-gti in my shed in the past few years. g16b. end of story. Power gain, simplicity, reliability, suitable torque range, fuel economy. i have owend both 1ltr, 1.3 and g13b and driven g16b and ridden in 4age imo the g16b and g13a are hard to split, both are a masive hop up from a g13a. i love my g13b as it is close to perfect for tassie conditions. it is happy to crawl along at 2500 (i have good gearing) and at that a quick jab of the pedal and it will spin all 4 and launch out of troubble. it is also a large improvment on g13a in the street. the 16b is equaly as good but dosnt like to rev as much, i am pretty sure the gti makes more power? the gti is also going to be around $700 cheeper in the conversion! just food for thought! Phil |
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| Author: | skye [ Tue Sep 21, 2010 11:44 am ] |
| Post subject: | Re: gti twin cam conversion whos got one and what do you thi |
so what ecu are you running and what do you mean you made yourown adaptor , the mk3 runs a crank angle sensor in the cam so to my belief it will not run with the seirra dizzy and standard ecu???????? |
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| Author: | jonno_racing [ Tue Sep 21, 2010 11:47 am ] |
| Post subject: | Re: gti twin cam conversion whos got one and what do you think? |
i am running stock mk1 swift injection and that will work with a sierra dizzy. to be honest its in the first few pages of my build thread if you wana have a gander! mk2/3 will only run with a gti dizzy. unless u want to go aftermaket ecu |
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| Author: | skye [ Tue Sep 21, 2010 11:51 am ] |
| Post subject: | Re: gti twin cam conversion whos got one and what do you thi |
thank you , great info |
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| Author: | skelaaleks [ Tue Sep 21, 2010 12:40 pm ] |
| Post subject: | Re: gti twin cam conversion whos got one and what do you think? |
hey guys i am looking at putting a m13b (out of like an 08 jimmny) in my 1.3L 92 model sierra. was wondering does the motor bolt up to my gearbox? also has anybody done this before. any other sugestions? i want to try and keep the exhaust ports the same as my 1.3L as i have a turbo manifold to suit. |
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| Author: | mnemonix [ Tue Sep 21, 2010 1:27 pm ] |
| Post subject: | Re: gti twin cam conversion whos got one and what do you think? |
Skelaaleks: You're shit out of luck on both requests. Your stock G-series engine has both different gearbox belhousing layout and different exhaust port dimensions. If you want to use a G-series engine - use G-series box and manifolds. M series engine = m series box and manifolds. |
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| Author: | Ben_Sierra [ Tue Sep 21, 2010 2:01 pm ] |
| Post subject: | Re: gti twin cam conversion whos got one and what do you thi |
| Author: | skelaaleks [ Tue Sep 21, 2010 8:21 pm ] |
| Post subject: | Re: gti twin cam conversion whos got one and what do you think? |
mnemonix wrote: Skelaaleks: You're shit out of luck on both requests.
Your stock G-series engine has both different gearbox belhousing layout and different exhaust port dimensions. If you want to use a G-series engine - use G-series box and manifolds. M series engine = m series box and manifolds. Does the gfi motor have the same exh pattern as the g13b? Thanks for the help guys |
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| Author: | mnemonix [ Tue Sep 21, 2010 9:23 pm ] |
| Post subject: | Re: gti twin cam conversion whos got one and what do you think? |
G13a(sierra) / g16b(vitara) / g13b(gti) all have unique exhaust manifolds. |
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| Author: | jonno_racing [ Tue Sep 21, 2010 9:27 pm ] |
| Post subject: | Re: gti twin cam conversion whos got one and what do you thi |
| Author: | Ben_Sierra [ Wed Sep 22, 2010 12:00 am ] |
| Post subject: | Re: gti twin cam conversion whos got one and what do you think? |
But the question isn't just about how much torque it has, its where the torque is. Torque over 4000rpm is useless for crawling. You want it down nice and low... |
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| Author: | jonno_racing [ Wed Sep 22, 2010 1:26 am ] |
| Post subject: | Re: gti twin cam conversion whos got one and what do you think? |
yeah mine is more than happy to crawl along at 1500rpm, i want to get mine on the dyno so i can see exactly where the power is. |
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| Author: | Ben_Sierra [ Wed Sep 22, 2010 1:55 am ] |
| Post subject: | Re: gti twin cam conversion whos got one and what do you think? |
A quick search shows that peak torque on a G13B GTI motor is at 5000rpm... The G13BB is a little better, getting more torque slightly lower at 4500rpm... But the G13BA, whilst lower on torque, gets it much lower in the revs (100Nm @ 3500rpm)... Go the G16B and you get 130Nm @ 3000 rpm. Thats the one you should be looking at... |
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| Author: | SuziBlu [ Wed Sep 22, 2010 2:01 am ] |
| Post subject: | Re: gti twin cam conversion whos got one and what do you think? |
All twin cams are way up in the rev range, useless as far as Im concerned, I like the torque as low as possible. The g16b is a lot better, but Id like to see it even lower. Horsepower/kilowatts is a sorta useless figure, its the torque that is what a 4wd is all about. |
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| Author: | atari4x4 [ Wed Sep 22, 2010 2:05 am ] |
| Post subject: | Re: gti twin cam conversion whos got one and what do you think? |
depending on the applicaiton the J20A 2.0L 4cyl makes 97-103kW@6300rpm 166-183Nm@3000rpm, now thats usable power. |
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| Author: | BlueSuzy [ Wed Sep 22, 2010 2:05 am ] |
| Post subject: | Re: gti twin cam conversion whos got one and what do you think? |
Go Baleno G16B 
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