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by garrycol
Fri Jan 17, 2020 12:12 pm
Forum: Engines Area
Topic: RV8 4.6
Replies: 1
Views: 32

Re: RV8 4.6

Conrods are different (different length) - for a 4.6 you need 4.6 conrods - the 4.0 pistons go in OK but you should put 4.6 gudgeon pins in the pistons as the 4.6 gudgeons while the same outside diameter have a thicker wall to take the higher loads.

Garry
by garrycol
Fri Jan 10, 2020 1:37 am
Forum: For Sale
Topic: 3.5 v8
Replies: 12
Views: 472

Re: 3.5 v8

Thats great - good to see 8-)
by garrycol
Sun Jan 05, 2020 1:22 am
Forum: For Sale
Topic: 3.5 v8
Replies: 12
Views: 472

Re: 3.5 v8

If someone was to pay that sort of money they would be wanting something bigger than a 3.5 - as rosco has indicated too much money for too little engine - work has over capitalised the value of the engine.

Garry
by garrycol
Thu Dec 26, 2019 10:19 pm
Forum: Engines Area
Topic: T-pipe valley venting - how to connect?
Replies: 6
Views: 171

Re: T-pipe valley venting - how to connect?

No just a normal 115hp 3.5 that is dual fuel and also fitted with LPG - I assume you are referring to the large barrel in the intake which is the LPG carb.

The plumbing that is the subject of this thread is all standard.

Garry
by garrycol
Tue Dec 24, 2019 10:36 pm
Forum: Engines Area
Topic: T-pipe valley venting - how to connect?
Replies: 6
Views: 171

Re: T-pipe valley venting - how to connect?

On mine it goes to the inlet manifold but has a filter in line to filter the gases of solids.

Image100_0424

Garry
by garrycol
Wed Dec 04, 2019 9:29 am
Forum: Exhaust, Cylinder Heads, Fuel And Intake Area
Topic: Thor conversion
Replies: 11
Views: 193

Re: Thor conversion

Yes and no - with no local support MS3 is too much hassle - the documentation is crap and the forum is not the greatest so I am back on carbs at the moment and will buy an off the shelf ECU and then put the Thor back on.

Garry
by garrycol
Tue Dec 03, 2019 12:34 pm
Forum: Exhaust, Cylinder Heads, Fuel And Intake Area
Topic: Thor conversion
Replies: 11
Views: 193

Re: Thor conversion

I assume you mean this barb in the centre upper of this pic https://live.staticflickr.com/65535/49163138036_2275d95ebc_k.jpg 081 On my old 3.5 manifold there was a similar barb that was connected via a small rubber pipe to a similar barb in the top radiator tank - I assume to allow air to escape the...
by garrycol
Mon Dec 02, 2019 12:19 pm
Forum: Engines Area
Topic: Megasquirt Settings
Replies: 3
Views: 135

Re: Megasquirt Settings

Each time I have asked for an initial map on a couple of forums I was told no - I have to do my own. MSers seem loath to share this sort of thing.
by garrycol
Thu Nov 28, 2019 11:45 pm
Forum: Electrical & Ignition Area
Topic: Ignition module wiring
Replies: 4
Views: 104

Re: Ignition module wiring

Well the first thing is I would not use a system that has the ignition module on the dizzy. In RV8 it cooks and develops dry joints and often failure to start - get a dizzy or a modification kit that has the ignition module located away from the dizzy - early Disco V8s had the ignition module as you...
by garrycol
Sat Nov 16, 2019 12:31 am
Forum: Electrical & Ignition Area
Topic: MOST FOUL RESISTANT PLUGS
Replies: 7
Views: 227

Re: MOST FOUL RESISTANT PLUGS

I have a similar problem in another vehicle - in my case the carb is running a bit rich and over a couple of days carbon builds up on the spark plugs with a commensurate reduction in performance until the engine will not run - there is no spark at the spark plugs so mimicking an ignition problem whi...
by garrycol
Fri Nov 08, 2019 2:21 am
Forum: Engines Area
Topic: Lucas 14CUX on a 4.6 ?
Replies: 13
Views: 358

Re: Lucas 14CUX on a 4.6 ?

Just a minor point - the 4.6 piston gudgeon pins are thicker walled than the 4.0 pistons (outside diameter is the same but the walls are thicker). Now the 4.0 gudgeons are plenty strong enough but as I had both the 4.0 and 4.6 pistons, I had my machine shop change the gudegeons in the 4.0 pistons ov...
by garrycol
Mon Nov 04, 2019 12:19 am
Forum: Engines Area
Topic: Lucas 14CUX on a 4.6 ?
Replies: 13
Views: 358

Re: Lucas 14CUX on a 4.6 ?

There is no "little jiggery-pokery" required - they simply go straight in and you can use standard heads and head gaskets. No modifications are required. Standard 8.3:1 4.0 pistons produce a compression ratio of about 9.5:1 in a standard 4.6. I have a a 4.0 engine block, 4.6 crank and conrods and lo...
by garrycol
Sun Nov 03, 2019 1:15 pm
Forum: Engines Area
Topic: Lucas 14CUX on a 4.6 ?
Replies: 13
Views: 358

Re: Lucas 14CUX on a 4.6 ?

I didn't I just happened to be lucky enough to pick up a factory reconditioned block for a very good price. New pistons and rings too - but they're 4.0 type - and one of the new pistons has been cracked due to very poor storage. Ok I misunderstood as in your original post you said "I've got a LR re...
by garrycol
Sun Nov 03, 2019 11:14 am
Forum: Engines Area
Topic: Lucas 14CUX on a 4.6 ?
Replies: 13
Views: 358

Re: Lucas 14CUX on a 4.6 ?

I know of a 4.6 that runs a 14CUX injection system and standard ECU - the standard ECU programming has enough scope to provide enough fuel with the 14CUX injectors for a 4.6. Note that the 14CUX has a smaller intake (and throttle body) than the 4.6 Thor system so may be a little restricted at high r...
by garrycol
Sun Sep 29, 2019 2:09 am
Forum: Exhaust, Cylinder Heads, Fuel And Intake Area
Topic: Zenith Stromberg CD 175 Needle/Jet modifications
Replies: 5
Views: 578

Re: Zenith Stromberg CD 175 Needle/Jet modifications

So I guess no one has an idea = other than Pauls suggestion to buy the book.

I was hoping that someone had done it.

Cheers

Garry

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