I Couldn't Find A Post For LT1's Being Ran On The Dyno So I Thought I Would Start One



So For People Who Don't Mind Sharing, What Mods Do You Have & What Numbers Are You Doing?

Also Is Your LT1 Bolted Up To An Auto Or Manual Transmission?

 

I dont think I've seen a post like this before...but then again I could be wrong but most of these posts are all LSx based.


When my LT1 was stock straight out of a '95 T/A, i bolted up a T56 to it, 4.10 gears in my old 10-bolt and 18" C5 vette wheels on the car, i threw a baby comp cams XR270 in it and I made 347rwhp and 341rwtq. Thats a CAM only LT1 6-speed, untuned. It ran so rich my car cleared out the dyno bay, so many raw fumes lol.

I don't have dyno numbers since i ported the heads, upped the compression with thinner Victor Reinz head gaskets and put int he bigger custom grind cam and my wideband, bigger carb and tuned it, Id say it has 400-420rwhp now, maybe even a bit more. That's stock block/crank/rods/pistons too and I spin it to at least 6500rpms.

 

Well that's good to know! I too am using the xr270hr cam with 1.6 rr, 1 5/8" shorties, dual 2 1/2" pipes to twin 300cell bullet cats, 3" cat back and LTCC conversion.

 

Yeah I Know, Everyone And Their Mom Has An LS1 LoL That's Wassup! With Just A Cam That's Pretty Sick! Nice I'm Sure It's A Lot More Fun Now, Do You Plan On Doing Anything To The Bottom End Or Any Other Mods?

 

Nice Do You Have Dyno Numbers Or A 1/4 Mile Time? And With Those 1.6rr Did You Have To Modify The Heads For The Lift Or Were You Able To Just Throw The Cam In & It Was Straight?

 

I'll be jumping on my friends DynaPack 5000 very soon, car is down for paint right now. Heads are fine, but I did change to 918 comp springs to handle the higher lift cam, which is a must with any cam swap, I also had to use new retainers and locks with those beehive springs.

Car feels great, the idle and 4800rpm hiccup I had totally smoothed out once I did the LTCC swap. I did see someone picked up 15rwhp after tuning with just the LTCC swap

 

I thought I'd show my numbers since I just dynoed the car today its just bolt ons headers ignition mail order tune intake exhaust and it puts 290hp and 320tq and had the t56 as well and all done for around $2500 very much so worth doing