Rob CL

Hey folks. Just a quick question, what's the typical/average Trap for an E55 with headers and tune only? I've got a bigger H/E, so factor that too maybe.

Appreciate any feedback.

Yacht Master

118 best guess

99lightning

121.9 here and that was not on a good run.

Toadster

i've hit 118 with s/c pulley, tune, kleemans and horrible traction

E55Greasemonkey

That depends on the weather.

AKnight55

In good weather 120

forcefed4door

Hit 119 with 180 crank, shorties, and tune. No cooling mods

TheOtherDodge

I went 117.9 with a tune, blower pulley, bigger HE. I went the same MPH without the HE.

BagMan

That's a good trap. Stock exhaust?

TheOtherDodge

Yes, everything else on the car is stock. But I thought since I added the HE that I would go a little higher than without it.

forcefed4door

Need to open up the exhaust with some type of headers I assume

TheOtherDodge

But with the only change being the HE and no MPH change, that would tell me the stock HE is fine.

HeissRod

The HE will not affect one run. Try back-to-back runs, then report back to us.

TheOtherDodge

Ah makes sense!

jmb614

If you're pushing more air through the engine you may want to consider headers, I wonder what your cylinder temps are.

Rob CL

+1

Best mod, hands down. Lose the primaries, open the windows, pedal down... Smile.

Getting over the header noise took a bit. Kept thinking I had a phantom exhaust leak.

TheOtherDodge

I know headers would wake it up but I don't want to do any more mods or spend any more $$ into it.

Rob CL

None of us do, but that point is moot. It's all about willpower.

layzie12g

12.40 @ 115 with an 04 SL55. 1.9 60ft on street tires. Had trouble getting a clean pass without a ton of wheel spin or traction control killing power.

S/C pulley, tune, cat delete, with 200 cells in place of secondaries, and of course a car completely up to date on maintenance.

T9ja

Gained 4-6 mph with LT headers.

J J

And whats your current trap speed?

chawkins2001

What part of the states are you going to be dragging the car, and what time of year?

T9ja

Best trap was 121.75 mph with 84mm pulley. Trapped 115.75 at best without the LT headers. Should trap more now with tune-up and 77 mm clutched pulley. More responsive now.

Hulk

+1

Rob CL

I trapped 114 at 1600'. But Atco is within driving distance, so I could easily say, Atco, in the fall.