1098 10cc engine

[philthehill]

Here you go:-

http://www.spridgetguru.com/TchIndx17_files/AKD3513.pdf

You can enlarge as required to make reading easier.

Phil

[shivey]

Ordered set from Swiftune,in stock there thanks for the help i'll continue to post here..pics to follow when I get the parts

[philthehill]

Well done
Keep posting.
Phil

[shivey]

Hi working on the 295 head today,new guides ,Swiftune phoned should have studs tomorrow.The head is2.750 deep at the moment with dished pistons how much could I skim off it...? made a tool and a depth guide to knock them out and back in

[philthehill]

0.060" is about the limit.

The final absolute limit of skimming is set by the horizontal oil gallery that runs across the front of the head.
You must have at least 0.040" between the bottom of the up oil gallery and the cylinder head bottom face.
The 0.040" can be measured by placing a depth gauge down the up oil gallery under No: 1 rocker pedestal and subtracting the hole depth from the 2.75" (standard thickness) of the head

[shivey]

only want to clean it up ,its not important for me to get extra out of it thanks 10 thou is safe.

[shivey]

Received my ARP studs this morning,no instructions on screwing in to the block and no tightening instructions,I have e mailed so I hope they will reply soon....

[philthehill]

Have a full read of the ARP link and you will find what you want.
Note the use of ARP thread lube or 30 grade oil.

https://arp-bolts.com/

See also:- https://ipgparts.com/blog/arp-head-stud ... tch-specs/

I have found the fitting instructions and torque figures for the ARP fittings used in my 'A' Series 1380cc engine.

You will need to quote the ARP part number though.
If it appears on my ARP list I will post the torque figures on here.
Phil

[shivey]

ARP-MSA-33-2B does'nt show up on your arp link Phil..Visard says hand tight into block 4lb/ft no thread lock..nuts with arp lube 75lb/ft centre studs are longer hope there is enough thread for nuts

[philthehill]

It does on the ARP list I have in front of me.

Below is extracted from The ARP fitting instructions.

Tap all female threads before installing bolts or studs (best not to use a new tap).

Screw the studs into the block using 4 ft lbs only (basically hand tight)

ARP lube Pt No: L99 is recommended over 30 grade oil as its superior lubricating properties produce the correct clamping preload for less torque.

Pull up the fastener so that it is snug. Do this three times, on the third time torque to the recommended torque as shown in the chart

The ARP torque setting is 95 ft lbs with 30 grade oil. 75 ft lbs with ARP lube.

The torque figures shown will give a preload equal to 75% of the yield strength of the fastener.

As regards the length - I would check again with the supplier as it looks as if you need the shorter MSA33 studs.

Quote the length of the !0CC studs removed to be absolutely sure.

Phil

[shivey]

4 of them are correct they have about 1mm more thread for the nut,I am in contact via e mail with Nick Swift..let you know..thanks clearer pic of the long ones ..nut side x2

[shivey]

sending the long ones back swapping for 2 short ones..

[philthehill]

Well done.
Phil

[shivey]

Also ordered head stud kit and valve springs off them good after service. 55ft/lb swiftune has told me to torque down at seems low?

[philthehill]

Is that the head or main cap.

You should follow the ARP instructions and no other.

[shivey]

thats the main's 55lb/ft with arp grease

[philthehill]

According to the ARP instructions the torque setting should be 75 lb/ft with ARP L99 lub and should be tightened as per the above sequence which was taken from the ARP instruction sheet.
It is up to you if you decide to torque to 55 lb/f but I personally would not be happy.
I would also be asking Swifttune why they are recommending a different torque setting to that specified by ARP. There may be valid reason but I would still like to know the reason for variance.
For my own Minor fitted with ARP studs and bolts they were all torqued to the ARP specified settings and I have never had any problems.

[shivey]

75 they will be as in Vizards spec i'll ask the question tomorrow he is giving me a ring

[shivey]

Nick Swift has given me the torque settings at 55lb/ft i received the 2 shorter studs,my valve springs and ARP Head rocker set,timing chain is on,grinding valves next,I ve re cut the seats not going for unleaded,my other Morris has an mg metro head cam and power max pistons in an ital 1300 block done 20,000 plus and valve clearance are still good..The ARP head kit came in a box HSA9 nuts torque to 45 lb/ft rocker nuts 25lb/ft again not the same as Vizards book.... the main studs came individually sleeved ,not in arp box no instruction leaflet like head set and he supplies them individually to suit lengths.The last 2 I had were slightly longer than the first 4 but shorter than the 2 I sent back..not putting my sump on yet...??? just bitten the bullet,done to 75lb/ft

[philthehill]

Whilst Nick Swift gave you the 55 lb/ft did he give you a answer as to why the figure he gave you is different to that quoted in the official ARP instruction leaflet that came with my ARP bolts/studs?
As I said above there may be a valid reason but I personally would want to know why.

Again is that with 30 grade oil or ARP bolt lub?