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 Post subject: Guide to:a proper G16B conversion with pics
PostPosted: Sat Jul 05, 2008 10:25 pm 
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now i realised how much of a pain it is to search the site etc etc regarding this stuff only to find insufficient data or material available so i MODS can u PLEASE make a STICKY on this? thanks :D this is for the benefit of those in the future who are thinking of this swap.....this article is for those who DO NOT have access to the Baleno 1.6 1/2 shafts or the bell housing(as they bolt on directly onto the g16 block itself) I'll assume that you'll be using the standard GTI gearbox and 1/2 shafts for this one...now 1st things 1st....
what u'll need:
1.of course...the GTI head...
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2.G16B block(I'll be using the 16 Valve version)
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gaskets i'd reccomend to use a stock GTI gasket or a thinner one if u can...stock is 1.2MM...i'll be using a suzukisports 0.8mm gasket for this conversion...
3.timing belt issues: u'll have to use the timing belt from the B16A honda engine(not sure why the 2L prelude timing belt didnt fit)...as for tensioners...the GTI ones will do just fine...
4.piping:the metal pipe which connects from the water pump to the bottom hose of the radiator : use the one from the GTI
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5.I dont reccomend using the stock G16 pistons...Compression is WAY too low...(8.6:1 even with a 0.8mm thick gasket coupled with an extremely milled head..get D16 pistons if u possible or best way to go is custom forge a set of GTI pistons but make it 75mm...
6.what can be used over onto this conversion from the g13B:
.crank pulley
.alternator
.flywheel/clutch
.extractors(that depends on what brand and make u are talking about...if not u'll have to extend the runners as they wont clear the sump.

modifications required:
the gearbox and driveshafts wont align properly as u can see from the below pic(taken from http://www.nox6.nl) leaving a gaping hole at the sides
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what u need to do is re-weld the gearbox and the block on the following locations:(enlarged images so that you guys can have a better look)
at the block where the driveshaft bolts onto
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at the part where the gaping hole used to be
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and finally around the starter motor area...
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all these need to be done with the engine suspended from a crane(which makes life a lot easier) and with the compete gearbox(not just the bell housing alone) so that you can align the driveshafts properly(important!!)

I'll update this thread as much as possible according to the qns that i'm being thrown at...as i'm currently undergoing this conversion it'd be a great time....


Last edited by 4 banger on Tue Feb 24, 2009 2:52 pm, edited 7 times in total.

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 Post subject: Re: guide to:a proper G16B conversion with pics (sticky pls?)
PostPosted: Sat Jul 05, 2008 10:43 pm 
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I think you would be better off using the attachment feature for your pics.


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 Post subject: Re: guide to:a proper G16B conversion with pics (sticky pls?)
PostPosted: Sat Jul 05, 2008 10:47 pm 
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how do i do that??? sorry for sounding like a noob :oops: :oops:


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 Post subject: Re: guide to:a proper G16B conversion with pics (sticky pls?)
PostPosted: Sat Jul 05, 2008 10:50 pm 
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It'll have an upload/attachment part at the bottom when you go to post.

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 Post subject: Re: guide to:a proper G16B conversion with pics (sticky pls?)
PostPosted: Sat Jul 05, 2008 10:57 pm 
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-edited-


Last edited by 4 banger on Sun Aug 24, 2008 11:05 am, edited 1 time in total.

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 Post subject: Re: guide to:a proper G16B conversion with pics (sticky pls?)
PostPosted: Sat Jul 05, 2008 11:44 pm 
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If we stickied every detailed technical thread the first page would be full of stickies.

We can add it to the technical FAQ which will mean it is catalogued for future use.


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 Post subject: Re: Guide to:a proper G16B conversion with pics
PostPosted: Mon Jul 07, 2008 7:52 am 
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This looks like a thread on how NOT to do the conversion!!
Welding lugs on the block for the drive shaft centre bearing mount is crazy,you could easily have distorted the block internals, the block now really needs to be tunnel bored for the crank bearings and overbored for the piston bores!!!.You could easily have got hold of a bearing carrier from a 1600 and fitted it to the gti shaft,or better still used the 1600 gearbox as its stronger anyway.
If parts are that scarce in singapore then one advert on here looking for a baleno bell housing to mate to your gti box ,or a 1600 box and driveshafts would have got instant results and looked like a factory job rather than some backyard lash up.

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 Post subject: Re: Guide to:a proper G16B conversion with pics
PostPosted: Mon Jul 07, 2008 6:39 pm 
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gave him all the info on msn ...

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 Post subject: Re: Guide to:a proper G16B conversion with pics
PostPosted: Fri Jul 11, 2008 10:35 pm 
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what year model honda prelude was the timing belt off?


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 Post subject: Re: Guide to:a proper G16B conversion with pics
PostPosted: Sun Jul 13, 2008 3:44 pm 
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is that pic above showing the bellhousing welded to the block?

if it is wow, thats a little extreme.


How are you going to change a clutch?

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 Post subject: Re: Guide to:a proper G16B conversion with pics
PostPosted: Sun Jul 13, 2008 4:09 pm 
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marshy wrote:
is that pic above showing the bellhousing welded to the block?

if it is wow, thats a little extreme.


How are you going to change a clutch?


If its welded to the block, why has he also put the bolts in?

I don't think its all welded together

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 Post subject: Re: Guide to:a proper G16B conversion with pics
PostPosted: Sun Jul 13, 2008 4:31 pm 
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fair enough.

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 Post subject: Re: Guide to:a proper G16B conversion with pics
PostPosted: Sun Jul 13, 2008 5:12 pm 
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The welded section looks like an adaptor to mate the G13B box with the G16B block.

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 Post subject: Re: Guide to:a proper G16B conversion with pics
PostPosted: Sun Jul 13, 2008 6:32 pm 
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marshy wrote:
is that pic above showing the bellhousing welded to the block?

if it is wow, thats a little extreme.


How are you going to change a clutch?


LOL

I think its just plate to close the gap on the belhousing and to mate to the block :wink:

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 Post subject: Re: Guide to:a proper G16B conversion with pics
PostPosted: Mon Jul 14, 2008 9:35 pm 
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Its U its Me wrote:
marshy wrote:
is that pic above showing the bellhousing welded to the block?

if it is wow, thats a little extreme.


How are you going to change a clutch?


LOL

I think its just plate to close the gap on the belhousing and to mate to the block :wink:

yes thats correct...


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 Post subject: Re: Guide to:a proper G16B conversion with pics
PostPosted: Sat Jul 26, 2008 11:27 pm 
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engine is now assembled... :D


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 Post subject: Re: Guide to:a proper G16B conversion with pics
PostPosted: Thu Aug 07, 2008 1:31 pm 
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marshy wrote:
is that pic above showing the bellhousing welded to the block?
if it is wow, thats a little extreme.
How are you going to change a clutch?
:lol: :lol: :lol: :lol: I love when Homer Simpson posts on redlinegti!

I have to say that welding a block like that is quite risky.
Aircraft people do it all the time with light aircraft and besides bad quality fuel I dont
see any other reason for so many failure rates.

However welding the bellhousing is nothing to hark over about if the guy can do it why not.

A baleno box is stronger and going to a twin cam head on a big block is no real gain when the
sohc 16v ports are better shaped from factory and valves are bigger on the inlets already.
The sohc 16v can be further ported for corrections and increased flow as they also have more
meat in critical areas where the twin cam heads hit water jackets.

In speedway the suk sohc 16v on a 1070cc block are showing just over 190bhp at 10,000rpm
with methanol quad injection. The twin cam head was designed for a 1300cc. If it was designed for the 1.6 it would be a different beast more like a sr16de neo head 160hp straight out.

So the whole point of the twin cam big block is a lot of work for virtually no gain except extra weight.

If the same amount of work is put on a cam, some cleaning up of the slags on the ports including match porting an extrude honed manifold with properly shaped exhausts, arp bolts
throughout, better rods and bolts, decent flywheel, clutch and full balance the sohc 16v is a better bet. Even better bet is Itsdamo´s own turbo g16b setup.


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 Post subject: Re: Guide to:a proper G16B conversion with pics
PostPosted: Fri Aug 08, 2008 10:43 pm 
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whatever it is my block isnt stock as its got a fully balanced bottom end with a knife-edged crank and lightened flywheel...cams and other stuffs are replaced as well...so this wont be just a "bolt on" conversion for me... :?


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 Post subject: Re: Guide to:a proper G16B conversion with pics
PostPosted: Sat Aug 09, 2008 12:11 am 
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Don't recall anyone saying it was =;
The main point I noticed in the last post was he stated that the Twin Cam 1300 head was designed for just that, the 1300. Whilst saving weight with a Single overhead cam good gains can still be made with some work.
Am I wrong? It was very involved so It may have went over my head :P


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 Post subject: Re: Guide to:a proper G16B conversion with pics
PostPosted: Sat Aug 09, 2008 8:37 am 
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Yeah as "d" pointed out, the 1600 head has much greater flow potential than the 1300 DOHC. It has been proven by a few people over the years.

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