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Hi folks, new member as of today.
I have a 65 ltd with a 352 and 2v carb.
The carb is in need of a rebuild.
I have a set of 390 heads, the intake and a 4v carburator off of a abused
66 thunderbird...no block...just the above parts.
Is it possible to swap out the intake manifolds and clamp the 4v carb onto a 352 ?
Thank;s
cjh
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WELCOME TO THE FORUM!! Would love to see some pix of your car. Yes the 390 intake should bolt up with out issue. Don't pull the heads. The ones on the engines should flow as well as the extra set you have, and changing heads will cause the rings to have to reseat which means smoking and lower compression.
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Daze wrote:
WELCOME TO THE FORUM!! Would love to see some pix of your car. Yes the 390 intake should bolt up with out issue. Don't pull the heads. The ones on the engines should flow as well as the extra set you have, and changing heads will cause the rings to have to reseat which means smoking and lower compression.
What????
I don't know that there is much to gained by sapping the 4V intake and carb onto the 352. Most of what I've read would say if you're going to swap manifolds you'd want to save some weight by going to an aluminum manifold. If you have the parts and want to go through the excercise, then go to it.
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I would agree that an aluminum intake would be much better but given what the OP has to work with upgrading from the cast 2V intake to the cast 4V intake will still make a performance difference. Even a SB like the 289 or 302 gain quite a bit when going from a 2V to 4V so yes the 352 will also benefit from the secondaries.
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"........... Don't pull the heads. The ones on the engines should flow as well as the extra set you have, and changing heads will cause the rings to have to reseat which means smoking and lower compression.
With all respect, this is an oft repeated claim, but is not in any way true. In over 45 years in the automotive and motorcycle set ice industry, as local mechanic, service manager, and national rep., I've replaced thousands of cylinder heads, none of which ever had any effect on the rings sealing. No shop manual produced by Ford, or any other automotive or motorcycle manufacturer ever cautioned against cylinder head removal for the reason mentioned above. There is simply no connection between cylinder these removal and piston ring seating .
Z
Last edited by zray (June 17, 2014 10:16 pm)
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I disagree. Just because you haven't seen it doesn't make it a myth (not trying to be snippy or offend
). The key here is the milage. If the engine is low milage than changing the heads is no big issue the rings can reseat. Changing the heads on a high milage car will cause ring seating issues. I have seen it. When you torque down a set of heads it causes the cylinder to deform slightly That is why they torque a honing plate on to the engine when they do machining and why rings need to seat in the first place. With 8 or more bolts AND a change in heads you will never get it torqued exactly the way it was with the original heads and thus change the shape of the cylinder. We are not talking massive changes but enough to require the rings to reseat. My original post may have been a little misleading. Changing heads will not cause a non smoking engine to suddenly blow tons of blue smoke or a high compression engine to suddenly loose lots of compression. It is however something to consider because the rings WILL need to reseat upon changing heads.
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Thank you for the replies folk's
I have a spare 352 in storage, I am now going to save the 4V and intake for that engine.
It's June and the car should be on the road.
I think i will try to purchase a new 2V, clamp it on and go.
I do not have the tag# on the carb, will this turn into a crap shoot?
Only thing I have noticed online is that they come with or without the "kickdown"
I would want the kickdown (I think) also would it be prudent to get one with the electric choke ?
Any good Canadian suppliers out there ?...they seem cheeper in the states.
Thanks again
Chris
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I disagree. Just because you haven't seen it doesn't make it a myth (not trying to be snippy or offend
Certainly no offence taken, we are all just sittin' round a table drinking beer and jaw boning, right?
And went over to talk to 3 old ford mechanics today who have 130 years combined dealership experience. They have heard the same story but none of them even encountered it . I'm firmly keeping this one in the old wives tale box until someone shows me a Ford TSB warning of the occurance.
Drink up fellers,
Z
Last edited by zray (June 19, 2014 5:38 pm)
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Thank you for the replies folk's
I have a spare 352 in storage, I am now going to save the 4V and intake for that engine.
It's June and the car should be on the road.
I think i will try to purchase a new 2V, clamp it on and go.
I do not have the tag# on the carb, will this turn into a crap shoot?
Only thing I have noticed online is that they come with or without the "kickdown"
I would want the kickdown (I think) also would it be prudent to get one with the electric choke ?
Any good Canadian suppliers out there ?...they seem cheeper in the states.
Thanks again
Chris
Everything seems cheaper down there than up here in Canukistan. I'd say any local parts wholesaler could get you a reman carb. The attractive looking US mail order pricing can quickly disappear with currency exchange, shipping and cross border brokerage fees, so the local wholesalers can be your best friends. I'll often use websites like RockAuto to find part numbers to help the wholesaler search for uncommon things.
Last edited by 70XL (June 25, 2014 3:32 pm)
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Thank you for the replies folk's
I have a spare 352 in storage, I am now going to save the 4V and intake for that engine.
It's June and the car should be on the road.
I think i will try to purchase a new 2V, clamp it on and go.
I do not have the tag# on the carb, will this turn into a crap shoot?......"
look, you can get a totally redone Autolite 2100 on ebay for $200 MADE specifically for your car. Anything else is going to be a headache !
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