new engine ticking, video, please help
12 March 2011, 12:55 PM
#1
Scooby Regular
Thread Starter
iTrader: (1)
Join Date: Aug 2010
Location: Worthing
Posts: 101
Likes: 0
Received 0 Likes
on
0 Posts
new engine ticking, video, please help
hi all, i have a 98 sti with a new engine thats done 150 miles and its ticking,
the engine have bored out pistons, acl bearing, my original heads that were skimmed and cleaned, the buckets are ok, but the under bucket shims look like crap
like someone used a dremel on them.
full decat and new standard injectors.
i have changed all the gaskets to see if it was a leak but no joy, and i cant seem to find out what it is, i have a specialist looking at it in a week but cant sleep and im worried its terminal,
My question is, is this tappet / valve related or something else,
the car is much louder when cold and when warm its a lot quieter, i have tried many oils and nothing has changed. please help guys
http://www.youtube.com/watch?v=XO_5wijLZc4
http://www.youtube.com/watch?v=dzTSPK9B2dw
the engine have bored out pistons, acl bearing, my original heads that were skimmed and cleaned, the buckets are ok, but the under bucket shims look like crap
like someone used a dremel on them.full decat and new standard injectors.
i have changed all the gaskets to see if it was a leak but no joy, and i cant seem to find out what it is, i have a specialist looking at it in a week but cant sleep and im worried its terminal,
My question is, is this tappet / valve related or something else,
the car is much louder when cold and when warm its a lot quieter, i have tried many oils and nothing has changed.
please help guyshttp://www.youtube.com/watch?v=XO_5wijLZc4
http://www.youtube.com/watch?v=dzTSPK9B2dw
12 March 2011, 01:06 PM
#2
Scooby Regular
iTrader: (3)
Join Date: May 2007
Location: in the shed
Posts: 336
Likes: 0
Received 0 Likes
on
0 Posts
im no expert but that sounds more like somthing loose or tappets but i really think you need an expert and i wouldnt run it til its sorted out... im sure some 1 on here will know what it is 
12 March 2011, 04:54 PM
#3
Scooby Regular
Join Date: May 2006
Posts: 536
Likes: 0
Received 0 Likes
on
0 Posts
That's not a ticking, that's a very loud tapping, it does sound top end related, i certainly wouldn't drive it till you've found out what it is.
i had a very similar sound when one of the cam sprockets had come loose
i had a very similar sound when one of the cam sprockets had come loose
30 March 2011, 02:22 PM
#5
Scooby Regular
Thread Starter
iTrader: (1)
Join Date: Aug 2010
Location: Worthing
Posts: 101
Likes: 0
Received 0 Likes
on
0 Posts
just to let your know this sound was the pistons hitting the head cracked a piston which is pants.. the h/g isnt thick enough but the good news is the guy that built the block has kindly rebuilt it for me free of charge with thicker h/g (fantastic guy)
cracked a piston which is pants.. the h/g isnt thick enough but the good news is the guy that built the block has kindly rebuilt it for me free of charge with thicker h/g (fantastic guy)
Major boo boo by the builder then - hope he has got the rest of the engine build right 
Trending Topics
30 March 2011, 08:27 PM
#8
Scooby Regular
Thread Starter
iTrader: (1)
Join Date: Aug 2010
Location: Worthing
Posts: 101
Likes: 0
Received 0 Likes
on
0 Posts
it was me i got the block built and had my heads skimmed and used 1.6mm h/g.. think the guy that skimmed the heads took off too much cos shouldnt have gone wrong..
you can see a stamp from the (050) stamped on the bored out pistons that have hit the head and its imprinted on the head,
as for the guy that built the block, he is a legend, altho this isnt his fault he has rebuilt it free of charge cos he doesnt want bad feedback,.
if any one is looking for a builder i can highly recommend this guy at wilks engines in shipley. he is great and always at the end of the phone, even at 10pm lol
you can see a stamp from the (050) stamped on the bored out pistons that have hit the head
i got the block built and had my heads skimmed and used 1.6mm h/g.. think the guy that skimmed the heads took off too much cos shouldnt have gone wrong..you can see a stamp from the (050) stamped on the bored out pistons that have hit the head and its imprinted on the head,
as for the guy that built the block, he is a legend, altho this isnt his fault he has rebuilt it free of charge cos he doesnt want bad feedback,.
if any one is looking for a builder i can highly recommend this guy at wilks engines in shipley. he is great and always at the end of the phone, even at 10pm lol
you can see a stamp from the (050) stamped on the bored out pistons that have hit the head
30 March 2011, 08:57 PM
#11
it was me i got the block built and had my heads skimmed and used 1.6mm h/g... think the guy that skimmed the heads took off too much cos shouldnt have gone wrong... as for the guy that built the block, he is a legend, altho this isnt his fault he has rebuilt it free of charge cos he doesnt want bad feedback,.
if any one is looking for a builder i can highly recommend this guy at wilks engines in shipley. he is great and always at the end of the phone, even at 10pm lol...
i got the block built and had my heads skimmed and used 1.6mm h/g... think the guy that skimmed the heads took off too much cos shouldnt have gone wrong... as for the guy that built the block, he is a legend, altho this isnt his fault he has rebuilt it free of charge cos he doesnt want bad feedback,.if any one is looking for a builder i can highly recommend this guy at wilks engines in shipley. he is great and always at the end of the phone, even at 10pm lol...
And yeah, 1.6mm HGs are the correct ones for MY93-98 phase 1 and 1.5 cars.
30 March 2011, 10:43 PM
#12
Scooby Regular
Thread Starter
iTrader: (1)
Join Date: Aug 2010
Location: Worthing
Posts: 101
Likes: 0
Received 0 Likes
on
0 Posts
He did a great Job too new block bored by .5 with new serviceable crank an acl bearings for 795. My local garage checked it over before I put it together and said he did an amazing job.
I'm going to make a new thread saying how good he is later.
I'm going to make a new thread saying how good he is later.
31 March 2011, 03:03 PM
#14
Scooby Regular
Thread Starter
iTrader: (1)
Join Date: Aug 2010
Location: Worthing
Posts: 101
Likes: 0
Received 0 Likes
on
0 Posts
The heads now have a imprint on them from where the heads have hit it.
But I thought putting a thicker hg on would have been ok how wrong was I.
But I thought putting a thicker hg on would have been ok
how wrong was I.
31 March 2011, 04:19 PM
#15
Scooby Regular
iTrader: (7)
Join Date: Sep 2004
Location: Devon
Posts: 1,115
Likes: 0
Received 0 Likes
on
0 Posts
cc the head volume before assembly and compare to original volumes, and also check piston height above (or below) deck. Engine builder should of done this imo !
Last edited by P1Drifter; 31 March 2011 at 04:21 PM.
31 March 2011, 06:06 PM
#17
Standard head height is 127.50mm, so you can tell how much has been skimmed from the flame surface and as mentioned above - combustion chambers should be volumed and piston compression height + deck height should be included in the static C.R. calcs.
To the OP - glad its all sorted
Mick
31 March 2011, 07:00 PM
#19
Scooby Regular
Thread Starter
iTrader: (1)
Join Date: Aug 2010
Location: Worthing
Posts: 101
Likes: 0
Received 0 Likes
on
0 Posts
the guy that i got the new block from told me earlier that he is going to replace ALL 4 pistons rather then the one bad one. OMG i cant have asked for a better builder
*highly recommend him*
rather then the one bad one. OMG i cant have asked for a better builder *highly recommend him*
Last edited by jayneedham; 31 March 2011 at 08:03 PM.
11 April 2011, 11:51 AM
#24
Scooby Regular
iTrader: (2)
Join Date: Nov 2008
Location: holywell
Posts: 453
Likes: 0
Received 0 Likes
on
0 Posts
I said this earlier, but skimming the heads will not cause piston to head contact, the Phase 1 pistons protrude from the block, hence needing 1.6mm gaskets, to ensure the head is far enough away from the pistons and giving the correct C/Ratio. Phase 1.5 cars use 1.2mm gaskets as they have differnt pistons. The only way the pistons coud hit the head is if the block face was skimmed or the wrong gaskets were used.
11 April 2011, 10:06 PM
#25
Scooby Regular
Thread Starter
iTrader: (1)
Join Date: Aug 2010
Location: Worthing
Posts: 101
Likes: 0
Received 0 Likes
on
0 Posts
I said this earlier, but skimming the heads will not cause piston to head contact, the Phase 1 pistons protrude from the block, hence needing 1.6mm gaskets, to ensure the head is far enough away from the pistons and giving the correct C/Ratio. Phase 1.5 cars use 1.2mm gaskets as they have differnt pistons. The only way the pistons coud hit the head is if the block face was skimmed or the wrong gaskets were used.
good news as mentioned above is i got it sorted and all is fine
Thread
Thread Starter
Forum
Replies
Last Post
Sam Witwicky
Engine Management and ECU Remapping
17
13 November 2015 10:49 AM
Brzoza
Engine Management and ECU Remapping
1
02 October 2015 05:26 PM
