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200 pre-crossflow advice

Moderator: Mod Squad

Bearking898
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Joined: Sun Feb 10, 2019 10:21 pm

200 pre-crossflow advice

Post #1 by Bearking898 » Mon Feb 11, 2019 9:26 pm

Hey guys looking for a bit of help/advice, I have a 75 TC Cortina with a 200 pre crossflow all original hooked upto a 3speed single rail and it's a bit sluggish so looking at getting a bit more power but I want to keep the motor as it has matching numbers
If you could give me some guidance would be greatly appreciated thanks in advance.

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StarDiero75
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Re: 200 pre-crossflow advice

Post #2 by StarDiero75 » Mon Feb 11, 2019 11:10 pm

Depending on what you want to do to keep it original. If the tranny aint important, a T5 will do you well and keep your engine stock.

If you want to keep the tranny, you'll probably need to do a bit of head work like porting, milling, maybe larger 1.75" and 1.5" valves, intake and exhaust respectively. Headers will help. A better cam will help. It all depends on how much you want to do.
--1965 Ranchero w/1966 200 and 3.03 column shift, 8" rear 2.8 (Yes I know the gearing sucks), weber 32/36, CRT Performance HEI.
--1961 Studebaker Lark VI, OHV 170 l6 in the process of being resurrected. But it lives
--Creator of the only Weber 32/36 conversion video.

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chad
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Location: Lawrence Swamp, S. Amherst, MA

200 pre-crossflow advice

Post #3 by chad » Mon Feb 11, 2019 11:34 pm

If frm Down Under or drivin such a vehicle:

https://fordsix.com/viewforum.php?f=3

is a form populated by Oz dwellers. They may have alot more specific info for ya like
solutions/parts specific 2 ur end o'da worl.

We won't kick ya oudda here tho.
W E L C O M E !!! to the forum either way.
Enjoy the site wherever U go here!
:thumbup:
Cheers!
"Big thing is only make one change at a time. Change 2 or more things at a time it becomes difficult to figure which change helped or hurt" turbo2256b » 1/16/2017
Chad - '70 LUEB on '77 frame (i.e. PS, D44, trapezoidal BB 9", 4.11), 250, NV 3550 & DSII to B transplanted, "T" D20/PTO, 2" SL, 1" BL, 4 discs, 33"X15", tool boxes, etc. Seeking: Hydraulic gear motor for Koenig pto. chrlsful@aol.com (413) 259-1749

gb500
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Joined: Wed Jan 17, 2007 9:24 pm
Location: melbourne ,australia

Re: 200 pre-crossflow advice

Post #4 by gb500 » Tue Feb 12, 2019 9:19 am

the post 1971 aust 200ci and 250 ci were the same blocks -same bore and height . just different cranks , rods and pistons .

buy a 250 engine and transfer the crank +rods and re bore/hone it for some new 250 ci pistons- or hone and reuse the 250 pistons s if no ring ridge.
add better ignition

extractors
and any of these steps -or all off them depending how deep your pockets

add a cam from crow cams for the 250/200

add a 2v head

add a ADM weber

voila 25 % capacity increase with existing matching 200 ci engine bock . no body the wiser (ie rego authorities) - DMV in usa speak

or do the same but retaining 200ci capacity.

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chad
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Location: Lawrence Swamp, S. Amherst, MA

Re: 200 pre-crossflow advice

Post #5 by chad » Tue Feb 12, 2019 4:52 pm

gb500 wrote: no body the wiser (ie rego authorities) - DMV in usa speak

Boy, they must B as bad as the German?
Wonder when it'll get this bad here (USA).

I C Cali has some pretty stringent stuff (car off the rd for a decade?
U gotta pay back fees for pollution charges'n stuff? "Joe, say it aint so.") Is
that true? Or what is it about (these extra charges even while not running)?
U must pay them to get a used car shipped out to...let's say Ohio...?
"Big thing is only make one change at a time. Change 2 or more things at a time it becomes difficult to figure which change helped or hurt" turbo2256b » 1/16/2017
Chad - '70 LUEB on '77 frame (i.e. PS, D44, trapezoidal BB 9", 4.11), 250, NV 3550 & DSII to B transplanted, "T" D20/PTO, 2" SL, 1" BL, 4 discs, 33"X15", tool boxes, etc. Seeking: Hydraulic gear motor for Koenig pto. chrlsful@aol.com (413) 259-1749

Bearking898
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Joined: Sun Feb 10, 2019 10:21 pm

Re: 200 pre-crossflow advice

Post #6 by Bearking898 » Tue Feb 12, 2019 5:31 pm

Thanks for the ideas, what's involved in the T5 conversion? What would be the best car to source one from?

I also have a 250 crossflow with an iron head, so could I take the internals out and put them in the 200? What about the head? Will the crossflow head fit? Could I track down a 2v head and make that work??

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chad
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Joined: Sat Oct 24, 2009 9:51 am
Location: Lawrence Swamp, S. Amherst, MA

200 pre-crossflow advice

Post #7 by chad » Tue Feb 12, 2019 6:21 pm

recommend the world class (model):

http://www.moderndriveline.com/Technica ... istory.htm

should B in "junk yards" (our lingo) all over Qz. MDL is here but can B an info source.
Yer sig does not have ur location but I still assume U R in Oz so here's one, not a yard but a transmish listing site):

https://www.gumtree.com.au/s-wrecking/m ... 82l3001317
"Big thing is only make one change at a time. Change 2 or more things at a time it becomes difficult to figure which change helped or hurt" turbo2256b » 1/16/2017
Chad - '70 LUEB on '77 frame (i.e. PS, D44, trapezoidal BB 9", 4.11), 250, NV 3550 & DSII to B transplanted, "T" D20/PTO, 2" SL, 1" BL, 4 discs, 33"X15", tool boxes, etc. Seeking: Hydraulic gear motor for Koenig pto. chrlsful@aol.com (413) 259-1749

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