[tom s]

421s,with progressive linkage your driving on a 2bbl.Tom

[slowbird]

Originally Posted by tom s

Ports have been reduced down to stock size ports with room to make bigger.When I get the intake back I will give you the numbers on the runners.Tom

Thanks Tom! Things are looking really good right now, keep up the great work!

[4zpeed]

Originally Posted by tom s

Jim Robertson performed his magic doing the late style changes that had to be done to make it fit a set of 69 heads.Tom

It appears he certainly did, thank him for us please, this is beautiful, absolute art, much thanks Tom!

Originally Posted by tooski

On top of the evident bling factor, how would this race type manifold with dual carbs affect the performance of a 'healthy' 400? I would suspect the over carburetion would detract from the performance. What was the original application for them?

Originally Posted by tom s

421s,with progressive linkage your driving on a 2bbl.Tom

You can see the original location for a 2bbl in the center of the 4 bbls, more on that subject in recent Smoke Signals articles.





Frank

[tom s]

3D done,will test fit this weekend.

[misterp266]

Looks great Tom!
Nice work.

[mgarblik]

What a cool conversation piece! Hope it fits as expected. Great progress. Keep the momentum going. This baby is up to a crawl now!!

[Baron Von Zeppelin]

InCredible !

[Tim john]

I feel like this whole process is like watching a baby bird egg hatch into an Eagle...and she will soon fly when ready.

Amazing process, progression, precision and ultimately desirable (factory style) performance is on the horizon. Well done Tom and team.

Tim john---

[tom s]

I was told by the guy that helped on this project who has done many of this type of project and he equated it to exactly like waiting for the birth of a child.Not quite.Tom

[tempest1964]

I guess that gives a whole new meaning to the expression ‘Bathtub Delivery’

[Mike Davis]

Looks good Tom. Hope it fits well.

[slowbird]

Originally Posted by tom s

3D done,will test fit this weekend.

First off awesome job Tom getting this done!!
Sorry to ask, without scrolling back through all the post, does this 3d intake fit early or late heads? The water crossover looks odd to me for the later heads??

[tom s]

The plastic is early but looks the same from the top,will post pics of it and the converted one side by side tonight.Tom

[misterp266]

Question.

Will this intake fit under the hood of a ‘63 Catalina or does it “require” the SD scoop to work?

Regardless, I’m in for a late model version. I will PM you Tom.

[tom s]

Some pics

[tom s]

More

[tom s]

More yet

[tom s]

A little issue with the port alignment on the plastic intake,I think because the scanned port was a 2.100 tall port and we reduced more to stock 1962 head.Looks to me it would have to be opened up a touch to match a 62-63 421 SD port.Not sure if I want to mess with it or just go with it.The ports on the converted intake Jim did are perfect match for a stock 48 port with lots of meat to go taller and wider.Will try to get wall thickness.As you can see looking down from the top the water X overs are a match.You will notice the bolt holes on the first 2 on each side are now diff.I put 4 bolts in each intake screwing in with my fingers without a wrench so the holes on the flanges are pretty much dead nut to the heads on my engines.Baby steps.The project will start with the early style so im at the mercy of those that wanted them.When im convinced the pattern maker is comfortable and ready to take my deposit I will ask for a deposit from those that committed.That will separate the contenders from the pretenders.Im going away sking for a few days and will be back on it when I get home.Have the 383 RA V engine going on the pump the 24th so thats taking some of my time also.Tom

[4zpeed]

Originally Posted by tom s

.The ports on the converted intake Jim did are perfect match for a stock 48 port

Well of course they are.
'JimRobertson'

As always, thanks for the update Tom,



Frank

[PontiacJim1959]

With the large space between #4 & #6, and #3 & #5 intake ports on the V-plenum, will you get fuel puddling/collecting in that area?