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Search found 291 matches

by gunt
Sat Apr 17, 2021 4:46 pm
Forum: General Tech
Topic: Land Rover Discovery
Replies: 4
Views: 158

Re: Land Rover Discovery

ok , huge experience here, one of my guys a master tech here, unless you have unlimited money , a service will never be under 400e more like 900-1200, i told a pretty big farmer to off load one as it would cost over 6k in the nest 8 or so months , didn't listen , it done 9k in 9 months and no its no...
by gunt
Sat Apr 10, 2021 5:22 pm
Forum: Engine Tech
Topic: Ej20 Subaru bearings
Replies: 25
Views: 767

Re: Ej20 Subaru bearings

so while i wait for the tools , what to do for now , i can loosen it up bu .0015 but that puts me out on the larger side
by gunt
Sat Apr 10, 2021 8:22 am
Forum: Engine Tech
Topic: Ultrasonic cleaner for small parts
Replies: 15
Views: 884

Re: Ultrasonic cleaner for small parts

FROM MY research engine parts favor 80hz but i could only get less in my size cheap tank ,
by gunt
Thu Apr 08, 2021 5:35 am
Forum: Engine Tech
Topic: Ej20 Subaru bearings
Replies: 25
Views: 767

Re: Ej20 Subaru bearings

no one to line hone on these blocks , currently buying the equipment my self , its bearing clearance at 3 different points in each journal
by gunt
Wed Apr 07, 2021 2:55 pm
Forum: Engine Tech
Topic: Ej20 Subaru bearings
Replies: 25
Views: 767

Re: Ej20 Subaru bearings

I have what acl call std , which has some clearance built in and have built this with some thigter ones to get clearance under 2 thou , so on a journal measure in 3 places i have .0016 .0009 .0015 .0022 .0011 .0020 .0017 .0009 .0010 you get the idea , but i have contact ? when opened , no rods, just...
by gunt
Wed Apr 07, 2021 10:13 am
Forum: Engine Tech
Topic: Ej20 Subaru bearings
Replies: 25
Views: 767

Re: Ej20 Subaru bearings

Hi

no its dial bore gauge and checked with plastic , the crank [ ill check again ] the block is new to the build but used , the crank came out of the car and all bearings were nice in the original block , id more so say it the block
by gunt
Wed Apr 07, 2021 6:42 am
Forum: Engine Tech
Topic: Ej20 Subaru bearings
Replies: 25
Views: 767

Ej20 Subaru bearings

Hi So I always try and keep the mains fairly tight under 2 thou and the factory calls for well under that , I can get anybody to hone the mains , all measures up fine and checked with plastic gauge , so clamped up feel a little tight in places , open it up and see for yourselves , I can loosen 4C2A8...
by gunt
Mon Mar 29, 2021 5:23 am
Forum: Engine Tech
Topic: Ultrasonic cleaner for small parts
Replies: 15
Views: 884

Re: Ultrasonic cleaner for small parts

if your getting one make sure its heated
by gunt
Wed Mar 24, 2021 7:29 am
Forum: Engine Tech
Topic: 13100 rpm fourbanger restricted to 9300 redline
Replies: 57
Views: 1548

Re: 13100 rpm fourbanger restricted to 9300 redline

Just a quick one from what i have seen on different generations of 1 engine as the years went on the bhp was higher but so too was the rpm , the newer had way smaller intake valves and ports , it goes completely against general thoughts , head gaskets / skim heads play around as it advances/ retards...
by gunt
Fri Feb 19, 2021 6:22 am
Forum: Engine Tech
Topic: Future of head porting
Replies: 199
Views: 9376

Re: Future of head porting

I often wondered how to price , say an engine , and if you were successful to completely demolish the competition by producing 10-15 bhp or 40 more than anyone [ and proven track performance ] how should this be priced , to reflect development , so if you sell out slightly above the rest , soon they...
by gunt
Tue Feb 16, 2021 6:19 am
Forum: Engine Tech
Topic: Future of head porting
Replies: 199
Views: 9376

Re: Future of head porting

No matter what you do there will be better paying jobs , will there be money out of it , depends , if you find power where others missed and marketing , but what i advise younger guys , never work at you hobby / or interests , as you will never charge enough as you will never count the extra time to...
by gunt
Wed Feb 10, 2021 6:04 am
Forum: Engine Tech
Topic: Future of head porting
Replies: 199
Views: 9376

Re: Future of head porting

look at 4 piston racing there young enough guys considering and making it pay , developing ports and then cnc their work ,
but long term , sorry it will be gone , look at the billet blocks and some billet heads , now look at 3d printing they will print from scratch a99.9% perfect parts
by gunt
Mon Jan 18, 2021 1:50 pm
Forum: Engine Tech
Topic: Cool can
Replies: 9
Views: 752

Re: Cool can

this was long before that , very early days
by gunt
Sun Jan 17, 2021 10:47 am
Forum: Engine Tech
Topic: Ignition , combustion statement
Replies: 14
Views: 1163

Re: Ignition , combustion statement

sorry to correct , but they don not need the chamber to be rich to have the plug at stoich , in fact they are able to have the total outter section in near full exhaust gasses with the used or egr , which includes running it through the vvt , so in the case of mitsubishi , where the total ratio is 5...
by gunt
Sun Jan 17, 2021 10:28 am
Forum: Engine Tech
Topic: Cool can
Replies: 9
Views: 752

Re: Cool can

and i would have thought the same until i read a f1 article where they had to bring in a rule of max fuel temp as all the guys were deliberatly seriously heating the fuel and i know its not methanol