Thread: 65 cadi 429 intake help

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anyone know of a way to block off the exhaust crossover that goes under the carb? i have an edelbrock 650 avs thunder series carb n the exhaust will burn up my gaskets. or if they make a spacer that actually fits? if i find a spacer then i can use a stock gasket with the opening for the exhaust the intake n carb holes look like this. any help will be much appreciated )))

i bocked them by welding them i make up a steel plate and weld them in with Ni rod if iron intake . if alum tig weld they do make a heat plate MR gasket makke them

thanks for the reply. yeah guess thats the only way if i cant find the right spacer. i can use the stock gasket under the spacer n the ones in the pic for the carb. the holes have to be exact for the spacer or exhaust will blow into the intake only spacers i find have all 4 holes the same size either too big or too small. wish i had a cnc machine haha. wish i could find an aftermarket intake as well. no one loves the caddy anymore

anyone one know were i can find the original carb spacer w the egr? 65 cadillac coupe deville. ditching the edeljunk n goin back to the original the way it should be

Originally Posted by Twitch88

thanks for the reply. yeah guess thats the only way if i cant find the right spacer. i can use the stock gasket under the spacer n the ones in the pic for the carb. the holes have to be exact for the spacer or exhaust will blow into the intake only spacers i find have all 4 holes the same size either too big or too small. wish i had a cnc machine haha. wish i could find an aftermarket intake as well. no one loves the caddy anymore

not very hard to bore the plates out for the bigger bores . know any one with a mill its not a hard job E Z .you do not need a cnc mill to do it

You might also try these guys, They specailize in old caddy parts Twitch.
http://www.500cid.com/
I hope this helps.
Kurt

oh ok thats a great idea. could even do that for the original carb for a little extra heat resistance thanks guys appreciate it.

Originally Posted by pat mccarthy

i bocked them by welding them i make up a steel plate and weld them in with Ni rod if iron intake . if alum tig weld they do make a heat plate MR gasket makke them

Did you weld them from the intake side or thru the exhaust port? i would like to do the same on my 902 heads cause its bound to hamper flow.

Originally Posted by SSsuperdave123

Did you weld them from the intake side or thru the exhaust port? i would like to do the same on my 902 heads cause its bound to hamper flow.

i plug the intake ground clean with a good fit on some 1/8 flat plate then tap them in the runner about a 1/4 inch then weld them up no need to mill the intake. if you want to plug heads some guy melt alum pistons and fill the cross over in the head .i would warm head first and you will have to plug the bowl with clay or a mix with sand so you do not have a big mess . or buy some pyro putty and fill them with that