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new intake for the 440

Started by charger2fast4u, August 04, 2011, 07:26:13 AM

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charger2fast4u

i got a edelbrock RPM intake for my 440 never had my current one off yet and wanted to know the best way to get it to seal back up no leaks ive read on here they can be tricky to seal right sometimes so any tips tricks would be great i got a valley pan, ultra copper and felpro gaskets to put on with the rpm intake would i put a gasket between the intake and the valley pan and another between the heads and pan? ive seen that some used  nothing but the valley pan whats the best way to go?

Chryco Psycho

I use the 1215 pan , I try to use one paper gasket on each side between the head & pan but sometimes it will not go , Right stuff sealant will defiantly seal it with or without the gasket

charger2fast4u

I've seen a lot of people that put there intakes on get leaks  I was wondering where are all the spots that may create leaks? Read about people using ultra copper sealant around all the ports and edges anyone have some pics or tell me where its best to use silicon at? So I don't have any chance of leaks also what the torque rating is for the bolts for the edelbrock rpm intake

Belgium R/T -68

I used the papergaskets on both sides without any leaks but I mounted the intake while the engine was still not yet into the car. The RPM intake that is, only issue is the hoodclearence. :eek2:

Per
Charger -68 R/T 500 cui Stroker

Mick70RR

I've tried a few different methods of intake sealing but the last few times have been leak free. I've tried using two paper gaskets, one either side of the valley pan and also tried just one under the valley pan. Even using a sealer like high tack or hylomar, they always leaked oil at some point both into the intake and on top of the pan.
The last few times I just ran a bead of high temp gasket maker along the bottom of the head just below the ports and around the ports themselves as well as a bead on the front and rear of the block. The valley pan is then sealed all the way round and oil can't get past it. Before I fit the intake I use hylomar around the ports because it never goes off and makes intake swaps easy. No paper gaskets and it seals well. This is the gasket maker I use because I can get it locally.
1970 Road Runner, 505 cid, 4 speed, GV overdrive, 3.91 gears
11.98 @ 117 on street treads

John_Kunkel


I like to trim away the bathtub gasket around the embossed area, this allows the standard thickness paper gasket to directly contact the head...the bathtub gasket is sandwiched between the head and paper gasket.
Pardon me but my karma just ran over your dogma.

charger2fast4u

Sounds like the best way to go is use silicon around all the ports and a bead around the bottom of the heads under the ports and around the front and rear of the engine is it better to just put the valley  pan on top of the silicon then use a gasket between the intake and pan or use silicon on heads then a paper gasket followed by the pan another gasket and intake looking for the best way to seal it up good lots of combinations to try also is silicon just needed on the heads and block or is it good to use it between the intake and valley pan or just use a gasket between them