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XR6T to XR8 Dart a few more cubes 

 

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 Post subject: Re: XR6T to XR8 Dart a few more cubes
Posted: Tue May 18, 2010 5:47 am 
Getting Side Ways
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Matt, they are 2.08 and 1.6 valves, not 1.9, and your are right, they will be more than enough for what you are chasing.

Brett

 

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 Post subject: Re: XR6T to XR8 Dart a few more cubes
Posted: Tue May 18, 2010 6:40 pm 
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U will get were u want to go with TerroristGHIA top end

When i was refering to the 225cc head it was the TFS225cc head so no one is confused and i believe that when using the victor on any head the manifold needs to be machined so ports can line up.

 

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 Post subject: Re: XR6T to XR8 Dart a few more cubes
Posted: Tue May 18, 2010 8:39 pm 
Stock as a Rock
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TerroristGHIA wrote:
Matt, they are 2.08 and 1.6 valves, not 1.9, and your are right, they will be more than enough for what you are chasing.

Brett


Yea i thought they were 1.6 but couldnt remember thanks for the info brett
Matt
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 Post subject: Re: XR6T to XR8 Dart a few more cubes
Posted: Tue May 18, 2010 8:40 pm 
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TerroristGHIA wrote:
Matt, they are 2.08 and 1.6 valves, not 1.9, and your are right, they will be more than enough for what you are chasing.

Brett


Yea i thought they were 1.6 but couldnt remember thanks for the info brett
Matt
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 Post subject: Re: XR6T to XR8 Dart a few more cubes
Posted: Tue May 18, 2010 9:16 pm 
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Mickyyyyyy,WHY WHY WHY EVER BOTHER ,YOU DONT KNOW WHAT YOUR TALKIN ABOUT, you should just stick to 6 cil work shop or go to the holden forums because the fordmods aint big enough 4 the both of us MICKYYYYYYYYYYYY

 

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 Post subject: Re: XR6T to XR8 Dart a few more cubes
Posted: Tue May 18, 2010 9:47 pm 
Getting Side Ways
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Double post capare, is there an echo in here is there an echo in here.
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 Post subject: Re: XR6T to XR8 Dart a few more cubes
Posted: Tue May 18, 2010 11:28 pm 
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YOUNGBOSS330

Yeh i dont know what im talking about as ive had a 347 before and deposit down on my 363ci build so yeh i dont know much.

 

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 Post subject: Re: XR6T to XR8 Dart a few more cubes
Posted: Tue May 18, 2010 11:35 pm 
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This thread needs less people getting on high horse and more technical info thrown around if ya gonna bother posting.....

 

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 Post subject: Re: XR6T to XR8 Dart a few more cubes
Posted: Wed May 19, 2010 12:13 am 
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I agree, im not here to compare sizes but to give factual information and help and guide others.

Back to topic

 

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 Post subject: Re: XR6T to XR8 Dart a few more cubes
Posted: Wed May 19, 2010 1:49 am 
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Chirs what has made you decided to ditch the i6 turbo and go with a tough windsor stoker?
Matt
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 Post subject: Re: XR6T to XR8 Dart a few more cubes
Posted: Wed May 19, 2010 5:35 pm 
Getting Side Ways
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Arnt those victor efi manifolds made for only high rpm, that rpm2 has an incredible working rpm range(which is what im after, still retains low down punch while dramatically improving power from 3-5tho rpm)

Again i think capares setup will s**t out torque, maybe no in peakk hp but def in torque.

MICKYYYY im not trying to be rude mate but what makes you feel qualified to say whats 'better' in someones 363 build?, again not having a go im just asking because laying down a deposit for a 363 means jack when it comes to 1st hand knowledge.

Capares build will be underway once he gets the bottom end (which is very soon i believe) any disputes on hp and torque will be shown and then we will have proper actual facts to show this man so he can decide himself.
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 Post subject: Re: XR6T to XR8 Dart a few more cubes
Posted: Wed May 19, 2010 6:18 pm 
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the RPM2s advertised "working RPM range" wouldn't be based on a 363.

 

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 Post subject: Re: XR6T to XR8 Dart a few more cubes
Posted: Wed May 19, 2010 6:22 pm 
Getting Side Ways
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RAPTOR_XR8

When u have friends with big engine cars and u talk to there engine builders u do learn alot, e.g 8.6 capri with a 400ci clevor with blue thunder heads single carby with cast manifold, this friend of mine built his own engine with his brother and has his own engine dyno and many other's to add to the list. I also had a 347ci EF XR8 a few yrs ago and now started on my new build and with advice from a recently new mate as he has a 370ci windsor AFR205cc head combo.

I dont think im qualified but i do know a thing or 2 and im just a student as i take in everything my mates and there engine builders say and learn along the way.

Also reading from other sites give u some insite into other people's builds.

 

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 Post subject: Re: XR6T to XR8 Dart a few more cubes
Posted: Wed May 19, 2010 8:14 pm 
Getting Side Ways
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Steady ED wrote:
the RPM2s advertised "working RPM range" wouldn't be based on a 363.


Spot on. All Ford EFI manifolds, when spec'd by the manufacturer are based around the 5.0L engine.

IMO on that engine with that size intake runner, air speed is going to slow down a hell of alot coming out of an RPMII intake into its 225cc intake runner.

But hey, im willing to sit back and be proved wrong......thats what the forums are about.

Is the engine going to see an engine dyno before being fitted to a car?

 

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 Post subject: Re: XR6T to XR8 Dart a few more cubes
Posted: Wed May 19, 2010 11:12 pm 
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Sheesh !!
When it comes to head size and inlet manifolds... Most racers change the manifold so much that its hardly comparable to out of the box head or manifold..
I have had some pro built engines over the years from 1600 Kent to 460's in a boat..
In most cases the inlet etc was bigger than expected..
It was the cam, compression, tune that seemed to keep some low rpm torque where it shouldn't have had any..
Most guys that know there stuff use sheet manifolds anyway.. Depending on rules...

 

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