Difference between revisions of "Petrol engines aircooled performance enhancement"

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Delboy , depends on how much money you wanto spend , dont expect big gains without spending some money ,but they are very tunable,a good set of twin 36 webbers and a free flowing exhaust will gain you some usefull bhp ,or the next step balance the botom end and increse the cc and compression forged 96's pistons will give you a 2056cc without major changes to the rest of the botom end ,It's prolly best to have a read up, here is some links there's some american sites and type 4 engine is what youy have (CU code)
==Improving Performance - Aircooleds==
http://www.tunacan.net/t4/index.shtml


http://www.johnmaherracing.co.uk/type4.htm
Depends on how much money you want to spend, don't expect big gains without spending some money, but they are very tunable, a good set of twin 36 webbers and a free flowing exhaust will gain you some useful bhp, or the next step balance the bottom end and increase the capacity (cc) and compression. Forged 96's pistons will give you a 2056cc without major changes to the rest of the bottom end. It's probably best to have a read up, here are some links.


http://www.shoptalkforums.com/viewforum.php?f=1&sid=19438d545a4a29d13fbe87af5116e180
There's some American sites and the type 4 engine is what you have (CU code)


imho if you dont wanto break the bank then stick to makeing sure it runs spot on and never lean if it runs lean then that means HOT head and shortend engine life its what kills most AC engines ,fer about 80 quid you definatly should have it set up corectly on a roling road prolly the best 80 quid you will spend these guys know the type 4 well and have tuned mine and loads of other bus's
[http://www.tunacan.net/t4/index.shtml Tunacan]
http://www.raceshack.co.uk/index.php


then fit yerself a cylnder head temp guage and oil pressure and temp if you can
[http://www.johnmaherracing.co.uk/type4.htm johnmaherracing]
cht guages and pyros here (fits under number 3 spark plug )
http://www.airworlduk.com/
do a search on here for a list of bits u need for cht guages i put a post up a week ago .
fitting CHT guage is the best way to keep an eye on engine temps
and as you prolly know the ac engine benifits from being driven with plenty of revvs and i mean plenty !!
you could always go the whole hogg and spend a stupid amount and end up with something like mine by adding NITROSS !!


http://www.muchos.co.uk/members/germman/new injun 2 010 (Small).jpg Twisted Evil[img]http://www.muchos.co.uk/members/germman/new injun 2 010 (Small).jpg [/img] OLLOXS can someone please make this link work
[http://www.shoptalkforums.com/viewforum.php?f=1&sid=19438d545a4a29d13fbe87af5116e180 shoptalkforums]
thanks
 
 
==Dyno (rolling road) tuning==
 
IMHO If you don't want to break the bank then stick to making sure it runs spot on and never lean if it runs lean then that means HOT head and shortened engine life its what kills most a/c engines, for about 80 quid you definately should have it set up correctly on a rolling road. Probably the best £80 you will spend - the [http://www.raceshack.co.uk/index.php Raceshack] guys know the type 4 well and have tuned mine and loads of other buses.
 
==Instrumentation==
 
Then fit yourself a cylnder head temp (CHT) gauge and oil pressure and temp if you can
CHT gauges and pyrometers here (fits under number 3 spark plug) [http://www.airworlduk.com/ Airworld UK, CHT thermocouples & gauges]
 
 
'''CHT Gauges:''' (CHT guages!)
 
Do a search on the 80-90 Tech forum for a list of bits you need for CHT gauges. Here is a Tech Archive link from 2005
[http://archive.club8090.co.uk/viewtopic.php?f=2&t=1745 Measuring oil or cylinder head temps]
 
Fitting CHT gauge is the best way to keep an eye on engine temps.
And as you probably know the a/c engine benefits from being driven with plenty of revs and I mean plenty!
 
 
==Other==
 
You could always go the whole hog and spend a stupid amount and end up with something like mine by adding Nitrous!

Latest revision as of 02:22, 19 November 2009

Improving Performance - Aircooleds

Depends on how much money you want to spend, don't expect big gains without spending some money, but they are very tunable, a good set of twin 36 webbers and a free flowing exhaust will gain you some useful bhp, or the next step balance the bottom end and increase the capacity (cc) and compression. Forged 96's pistons will give you a 2056cc without major changes to the rest of the bottom end. It's probably best to have a read up, here are some links.

There's some American sites and the type 4 engine is what you have (CU code)

Tunacan

johnmaherracing

shoptalkforums


Dyno (rolling road) tuning

IMHO If you don't want to break the bank then stick to making sure it runs spot on and never lean if it runs lean then that means HOT head and shortened engine life its what kills most a/c engines, for about 80 quid you definately should have it set up correctly on a rolling road. Probably the best £80 you will spend - the Raceshack guys know the type 4 well and have tuned mine and loads of other buses.

Instrumentation

Then fit yourself a cylnder head temp (CHT) gauge and oil pressure and temp if you can CHT gauges and pyrometers here (fits under number 3 spark plug) Airworld UK, CHT thermocouples & gauges


CHT Gauges: (CHT guages!)

Do a search on the 80-90 Tech forum for a list of bits you need for CHT gauges. Here is a Tech Archive link from 2005 Measuring oil or cylinder head temps

Fitting CHT gauge is the best way to keep an eye on engine temps. And as you probably know the a/c engine benefits from being driven with plenty of revs and I mean plenty!


Other

You could always go the whole hog and spend a stupid amount and end up with something like mine by adding Nitrous!

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