Steve is corret, the 4.6 is HUGE and unless your gutting the front chassis it
will not be an easy swap. The Mod motors IMO are not as good performing as a
straight up SBF. A 331+ is a good thing and you can make as much power with
these as you will ever need in a Tiger. The modular motors may not be lighter
either, I think an alum head SBF may come in lighter when all said and done,
and I'll bet if you get a aluminum block SBF (I have one for my Tiger) your
money will be better spent as it will drop in. For EFI you can fit it to a
bunch of maifolds that would fit under the hood of the tiger but if you not
going to run stacks, a good built carb will works great. I have a TWM
injection manifold but it will require cutting the firewall up to fit, and
still not sure if it will go in the car.
BTW CUT THE CAR UP IF YOU WANT TO
IT IS YOUR CAR! But please listen to people advice as it is a good car NOT to
cut up since they are getting very hard to come by and you can do a ton of
stuff that will fit in without chopping. Check out the tiger sites for what
people are doing, you can see some very cool ways to fix up the car and not
hack it up.
I have one of Mike's x-members and you should see if he is still
taking orders, he can give you all the info, but it is a very good mod as it
is totally reversable.
Sandy
________________________________
From: Tiger
Man <Tigerman67@hotmail.com>
To: "Doornbos, Daniel"
<daniel.doornbos@intel.com>; tigers@autox.team.net
Sent: Friday, October 16,
2009 2:55:43 PM
Subject: Re: [Tigers] bench building my tiger
While I am no
expert, someone once told me that while the 4.6l modular's have similar
displacement as a ford small block, they are significantly bigger in just
about every direction, and that is probably without whatever space the EFI
system would take. I think for the sheer amount of time involved, that you
could probably be happier with something based on a ford small block.
I saw
Theo's EFI system from Retrotech at SUNI and thought it was slick system, I
would probably go with their latest version if I was going to do EFI.
The
other one that seems to be popular with the Replica Cobra guys is the mass flo
system (they do a lot of advertising in that space), but that system uses
something like a standard carb based Victor Jr manifold that is drilled for
individual injectors and has fuel rails running above them, which I don't
think looks very period correct.
Steve
> I'm going to get started on my
car in the next year and it's not going to be a
> stock restoration. I have
been thinking a 331 stroker and some type of
> injection with a 5speed behind
it. I also think I'm going to fit a
> toyzjunkie.com cross member.
>
>
Talking to a buddy he said crate engines are down in price these days, just
>
like cars have been getting cheap. Here is the 4.6l ford fully built for $7k.
> High ticket item in my book but when you tally all the extra parts on this
>
thing it seems like a relative bargain.
>
http://www.jegs.com/i/Ford-Racing/397/M-6007A463NA/10002/-1&parentProductId=1
> 146100
>
> I think this is way more cutting than I want to do on my car to
get it to fit
> under the fire wall. But it has me thinking what if because
this complete
> motor weighs about 50 lbs less than the original long block.
Probably a good
> 100lbs lighter than a finished motor.
>
> I know some folks
have done some retrofits and fire wall cutting. Does anyone
> have any pics
of how they cut their firewall to fit a modern EFI? Also anyone
> else
running injection systems, and if so what kind and would you recommend
> it.
It appeals to me as being more efficient. Primarily I've been thinking
>
about the Edelbrock multi-port FI Performer RPM, I think it would fit under
>
the firewall with no modifications.
>
> dan
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