Technical Edelbrock TR1

I just got offered an old Edelbrock TR1 tunnel ram ( bread box ) And am wondering if they are as bad as look ? I read a lot of horror stories about them blowing up etc , but just wonder if anyone has first hand experience with one ?

 

I saw a couple back in the day with problems. I also saw them run just fine.
Yes, they ARE big empty buckets just waiting for a bad tuneup. read that rich running, hard starting, dumping fuel into the lower part of the box
But again, I've seen them run well...for the day..!

One way to protect yourself is to fill the lower part of the box. Epoxy, bondo, sheet aluminum and weld in place... you pick.

They are relatively short runners, so you'd better have a quick revving engine, a lot of gear, or just need high rpm power.

Need detail..!
Is this for racing, the street. Engine, car...etc., etc.
It won't work well in a 4200lb, small Chevy, Monte Carlo, with 3.55 gears and a 2000rpm converter..!!
See how details might mean something..?

Mike

 

My wife’s cousin has one on a 350, with a solid lifter Crower cam and two 1850’s with direct linkage. It’s in a ‘31 Tudor and pulls real strong with a M-21 and 3.55 gears.
After a road trip to OKC he had the top off and there was about a 1/2” of gas sitting in the plenum. That could be a potential bomb with a backfire. Edelbrock did make a filler for the TR-1 that would eliminate the puddling problem and reduce the plenum volume. The smaller plenum might help the bottom end.

 

In the early 70's a friend of mine had one on a 327/ two Holleys in a T-bucket and I remember him spending quite a bit of time dialing it all in but boy did that thing scoot.

 

If you don't want it I'd be interested in purchasing it. @Eh!Bob

 

I have not picked it up yet , but I bought it from a buddy it comes with 2 390 holley carbs and linkage . I did some research on this tunnel ram and I guess edelbrock made a plate to" fill the puddle area in the bottom " If any one has pics are more info on modifying the TR1 tunnel ram that would be great !

 

If you choose to fill in the empty areas in the lower potion , you can extend it the fill to the top of the lower half and thereby extending the runner length. That’s what I’m doing with mine.
t


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A 327 in a T bucket has always been a hand full. A 300 hp T Bucket and a 550 hp chevelle will run about the same hp to weight and the T will break less stuff. Weight loss is usally the cheapest Horse power.

 

I'm thinking that there were a few magazine articles about filling the lower part of the box and doing some other mods to make them safer and work better back years ago.

A bit of reading says that the early ones had that pocket in the lower half while the redesigned later versions didn't.

 

Anyone have any pics or suggestions on how to do this ?? I have acquired a TR1 that has not been filled and does not have the plate in it. Looking for ideas.....