Nostalgia Question :
 

Did anyone use an Edelbrock "Smokey Ram" manifold back in the old days ? Always wondered how well they worked . Saw possibilities for distribution problems and narrow power band ,just wondering how they compared with single plane or high rise .

Re: Nostalgia Question :
 

Some tried them Chrysler had a box for the Hemis (NASCAR) as did FORD with the BOSS 429 but you hit the nail on the head about distribution and throttle response.

Re: Nostalgia Question :
 

Under uniform acceleration, the manifold could be made to be pretty efficient. When used in constantly changing engine speed conditions (on and off the gas like a road racer) they were hard to make work. The large plenum area made it necessary to have large accelerator pump shots to cover the volume of air in the plenum. That made for inconsistent A/F mixtures and thus inefficent power levels and performance. Also, since one of the ideas behind the design was to make uniform runner length, the effective power band tended to be narrower than on single plane manifolds with a variety of runner lengths.

Re: Nostalgia Question :
 

There is actually a thread over on Speed Talk in the forums about these intakes. It's a pretty interesting thread, if you're interested in the manifolds.



http://www.speedtalk.com

Re: Nostalgia Question :
 

There was one sitting on a shelf in the shop I used to wrok at. It was tried by a racer running C/SM at the time when the intake first came out. Results were poor and it ened up collecting dust...

Re: Nostalgia Question :
 

Thanks guys . as I remember it was written up as best thing since sliced bread,but never remember anyone ever using one back home .

Re: Nostalgia Question :
 

The Chrysler one was called the "rat roaster" Edelbrock even put RR 1 (inline) and RR 2 (crossram). It only worked when you glued popsicle sticks inside. LOL
This is true. No joke.

Re: Nostalgia Question :
 

AMC factory '69 SS/AMX used Edelbrock cross-ram STR-11. As I'm told, worked well when re-worked considerably inside to prevent puddling of fuel.
Art is correct, Chrysler and AMC racers used epoxy and pop sickle sticks.
It was even outlined in the old Direct Connection manuals along with recommended staggered jetting.

Re: Nostalgia Question :
 

Hi-I remember when it was released Smokey said it would be a damn good manifold but you were gonna have to work with it particularly with pump shot with the plenum like Dwight mentioned.

Re: Nostalgia Question :
 

When I read the write-ups at the time , thought straight runners looked like good idea but had doubts about large plenum and also about mixture making a 180degree turn into runners . At time was using modified TR1-X and didn't have cash reserves to play with new ideas anyway . Thanks for much interesting info and answering sume questions I've had for years .