Toymods Car Club Inc: Tech & Conversions => 2TG/4AG part 2

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thetoyman75
Forums Junkie

Club President
I supported Toymods

Location:
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Registered:
May 2002

Re: 2TG/4AG part 2

Tue, 04 June 2002 07:23

Bill,

Your first reference to the thermostate is a follows.

Quote:

The 4AG has the thermostat comtrolling the water going into the block, and so it'll get up to temperature much faster and also maintain that temperature with much greater consistancy.

Your above post repeats this yet still fails to offer any substance.

Your second attempt

Quote:

Loath as I am to repeat myself, I'll do it.

As was pointed out above, I was talking about 2TG and 4AG water systems.
Your question -
"What is the benefit of the 4AGE design ??"
And my answer as before - The 4AG has the thermostat controlling the water going into the block, and so it'll get up to temperature much faster and also maintain that temperature with much greater consistancy.
You own a 4AG, so unless there's a problem with yours then you will see the same thing.
I'd best explain it further so there's no confusion.
By 'getting up to temperature faster' I mean that from cold the water temp needle will reach the operating temperature faster. This is what I've seen with my old 2TG vs the 4AGE's.
By a more consistant temperature I mean that the water temperature needle will stay in the same position and not move around like a 2TG powered car does. In driving my 4AG for nearly 12 years I have yet to see the water temp needle move from the left hand part of the 'M' on the guage.

I'm sorry you feel the need to explain it so slowly I guess you are truely having trouble explaining the information you stated.

My question still remians ! Why is the 4AGE system deamed to be better ? Both Systems cool the head area first (Being where combustion heat is at its greatest )

At all times the Cooling system is FULL of water.

In a 2TG the flow is regulated from the exit point of the engine as such the engine heats all the water in the engine and once it reaches the desired operating temperature of 82 Degress the thermostat opens and cold water flows in from the radiator. During this stage of reaching operating temperature Heat soak
occurs thru the bottom radiator hose and into the radiator

With a 4AGE the Principle is Identicle only the Heat soak occurs thru the top radiator hose ??

I still fail to see the benefit you claim ?

As for your Guage movements I can only suggest you better maintain your guages ! A 2TG engine has no problems maintaining a constant operating temperature ! This is the job a Thermostate does in conjustion with the cooling fan and radiator.
Clearly your install was not as it should be if you were getting these problems. A common mistake of those with minimal knowledge of a cooling system is to Set the thermo switch at to low a temperature and thus it competes with the thermostate to regulate the operating temperature. Perhaps that was your problem ?

As for the 3TGTE valve size I'll get back to you to confirm !

JustcallmeFrank,

Mate you may well have the answer there ! RWD is by far the dominant and more traditional set up for Drag Cars ! I didn't even consider that Smile

And as for age of the Crank option I have no Idea when the 7A was released but it was definatly long after the 3T !

Its way of topic but the 3T (Not 3TGTE) is very widely used in drag racing in the States and in Portugal. Turbo 3T's with well over 600HP are a common occurance. Yep all that from a Pushrod engine ! But as I said its way off topic.

Karl,

Tina's car is a Daily Driven 2TG. Not sure what it weighs yet but will find out on Saturday. Runs a locked 4.1:1 diff and 13" treads at the Strip. (Not Slicks) Poor time is mainly due to my lack of launching tecnique and its desperate need for a stronger clamping force from the clutch !
Gearbox is stock T50.

[Updated on: Tue, 04 June 2002 07:27]

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