All great things have a beginning

Started by Grant Monkhouse, August 30, 2019, 06:26:14 PM

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Jamie R

Coming on leaps n bounds


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The Rotus...
... coming soon to the family.... the Rotang

boosted

Thats my winter job on my 5 to.

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92 FD rx7 Twins 13.5psi.  EX Track car
EAT SLEEP ROTOR REPEAT.

Grant Monkhouse

When Ups eventually turn up they make me happy

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Grant Monkhouse

When you want to make power and not worry about fuel delivery you need one of these bad mofos

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Grant Monkhouse

What is the name of this arm? It is the one thst the ARB attaches too.

Rear lower camber arm? Need the bushing for it

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Mr Spiller

Quote from: Grant Monkhouse on October 14, 2020, 04:02:44 PM
What is the name of this arm? It is the one thst the ARB attaches too.

Rear lower camber arm? Need the bushing for it

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Have a look on Powerflex website
They name all the arms on a diagram
Then speak with Clive or them I guess


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Mr Spiller

Quote from: Mr Spiller on October 14, 2020, 04:39:06 PM
Quote from: Grant Monkhouse on October 14, 2020, 04:02:44 PM
What is the name of this arm? It is the one thst the ARB attaches too.

Rear lower camber arm? Need the bushing for it

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Have a look on Powerflex website
They name all the arms on a diagram
Then speak with Clive or them I guess


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Rear lower control arm I think


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Grant Monkhouse

7 or 10?

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Mr Spiller

Quote from: Grant Monkhouse on October 14, 2020, 05:25:50 PM
7 or 10?

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I'd say 7 as it shows the arb going over it
And right hand side shows lower front wishbone on front


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Grant Monkhouse

Oh my would you just look at that thing of beauty

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Mr Spiller

Quote from: Grant Monkhouse on October 16, 2020, 03:04:52 PM
Oh my would you just look at that thing of beauty

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Looks neat


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boosted

How do control pressure with a mechanical fuel pump...still use an fpr lift pump...what pressure are we seeing? I suppose being ethanol...where increasing flow..
Just for knowledge...

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92 FD rx7 Twins 13.5psi.  EX Track car
EAT SLEEP ROTOR REPEAT.

Grant Monkhouse

Regular fpr on the left, mechanical pump driver fpr on the right

The mechanical fuel pumps work on vacuum so they will suck the fuel out of the tank whilst cranking the engine, puts a demand on the battery but I'm using a 16volt battery, as I'm not bothering with an alternator.

Iv seen a few drag cars wire an electrical fuel pump up with the starter motor so that the engine gets fuel pressure faster and as soon as it starts the mechanical pumps take over.

Mechanical pumps are so much better in my opinion as there's no electrical load and wiring to worry about and you should never run out of fuel supply

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Grant Monkhouse

The amount of fuel flowing increases with rpm, mine can do 12.9 gpm at 8000 rpm at 100psi.

Fuel pressure will be the same same as any rx7, 38 psi base pressure? And then increasing along with boost I think so I should see70psi fuel pressure. Plus iv got more volume in the fuel lines, think I'm going for - 10 or - 8, can't remember at the moment

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boosted

Cheers!

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92 FD rx7 Twins 13.5psi.  EX Track car
EAT SLEEP ROTOR REPEAT.