Brad,
Do I detect an emergence of a Datrats fan club. If so can I sign up for
membership?
Trev
-----Original Message-----
From: Brad HALLETT [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, 6 September 2000 20:39
To: [EMAIL PROTECTED]
Subject: RE: L18 W blocks.....
I did it through a mate on a RAAF base, but if you are in Qld go to Mendham
Engineering. They are the one-stop engineering place for engine builders,
as they have shot peening booths etc.
Regards
Brad HALLETT
Proudly Endorsing:
DATRATS
Datsun Dedicated
For Nissan Motorsport Components
Professional Budget Priced competition equipment
http://203.33.35.34
Contact Errol SMITH
mailto:[EMAIL PROTECTED]
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of David Costello
Sent: Wednesday, September 06, 2000 6:55 PM
To: [EMAIL PROTECTED]
Subject: Re: L18 W blocks.....
who did you use for the block ultrasound? and what kind of money would I be
looking to get it done?
Dave
-----Original Message-----
From: Brad HALLETT <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED] <[EMAIL PROTECTED]>
Date: Wednesday, 6 September 2000 5:35
Subject: RE: L18 W blocks.....
>
>
>The scuffing I experience was in a 2.1 litre short rod stroker and it was a
>shocker. All torque no revs. I have ultrasounded my L18W block and I
think
>88mm is the safest bore size to use. Reduced chances of cracking through
>cylinder wall flex at high revs and greater reliability without sacrificing
>too much swept volume increase.
>
>If you wanna make them larger, stroke the crank (within reason) and use L16
>rods. Much better way of increasing CR and volume.'
>
>Regards
>Brad
>
>
>-----Original Message-----
>From: [EMAIL PROTECTED]
>[mailto:[EMAIL PROTECTED]]On Behalf Of Terry & Heather
>Sent: Tuesday, September 05, 2000 11:41 PM
>To: [EMAIL PROTECTED]
>Subject: RE: L18 W blocks.....
>
>Craig,
>Just catching up on the back log.
>
>Bore & Stroke for the L18W 1889cc works engine is 87.8mm x 78mm. This is
the
>capacity used in the 710 SSS privateer spec WRC, it had 2x44mm Mikuni and
>produced 170hp. The works teams use a 1941cc engine which had a DOHC head
>and two huge jugs ~50 something mm and produced 210hp The figures that you
>will see quoted in some guides are the tolerance allowed for competition ie
>usually +1mm as that was allowed in those days for most forms of racing.
>Nissan considered 87.8mm a very safe bore for that engine and theoretically
>will tolerate 88.8 or 3" bore but mine has never been bored so I can't
>comment on the 3" bore. I think Brad has and experienced scuffing? cant
>recall if it was that engine or another variation.
>
>
>terry
>
>-----Original Message-----
>From: [EMAIL PROTECTED]
>[mailto:[EMAIL PROTECTED]]On Behalf Of Craig Overend
>Sent: Friday, 25 August 2000 7:07 AM
>To: [EMAIL PROTECTED]
>Subject: Re: L18 W blocks.....
>
>
>Terry,
> do you know what bore & stroke size the 1889cc 710 SSS used? Was
>1889cc
>the actual capacity used in competition? I ask because 88.8mm works out
>to 1932cc using a 78mm crank. To get 1889cc you need 87.8mm bore x 78mm
>stroke. Did Nissan consider 87.8mm to be a safe diameter I wonder?
>Interestingly this gives a stroke to bore ratio of .89 which is near
>ideal for this engine.
>
>According to "How to Modify your Nissan/Datsun OHC Engine", Nissan
>87-88.8mm sealing rings were available but were required to be .51mm
>larger than the piston diameter or a step in the top of the piston to
>clear. This would agree with the up to 88.8mm but at what reliability?
>How did you come about 88.8mm?
>
>regards,
>Craig.
>
>Terry & Heather wrote:
>>
>> Andy,
>> L18W blocks are very nice, not exactly rare but they are made in Japan
>and
>> were sought after by Datto engine builders from yester year. I know that
>> they can be bored out to 3.5" or 88.8mm as Nissan Motor sport used the
>L18W
>> block in the 1889cc 710 SSS world rally car. I wouldn't have thought an
>A87
>> head was that hard to find but I could be wrong as I haven't looked for a
>> while. I'll put the word out around here (Canberra) for you.
>>
>> regards
>>
>> Terry
>>
>> -----Original Message-----
>> From: [EMAIL PROTECTED]
>> [mailto:[EMAIL PROTECTED]]On Behalf Of Andy Nielsen
>> Sent: Monday, 21 August 2000 9:46 AM
>> To: [EMAIL PROTECTED]
>> Subject: L18 W blocks.....
>>
>> Dear list,
>>
>> On a search of the local wreckers for a decent A87 head for a 2 litre
>motor
>> I am chucking together, I stumbled across 3 L18 W blocks. The wreckers
>had
>> no idea what they were. And I heard they were rare. Hah. What are they
>> worth? How far can you bore them? Where the hell is a decent A87 head?
>> Thanks peoples!
>>
>> Andy.
>> ________________________________________________________________________
>> Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com
>>
>
>
>
>
>
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