The Return of Tubby Z28

[kitt8090]

well, that muffler was garbage. looked like a chambered with broken baffles or something in it. not quite flowmeter baffles, but like fingers and all kinds of restrictions. made the borla xr1 work @Dan / mufflex style single. already sounds better, and feels awake now too. we will see tomorrow

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I noticed a big difference even going from the hacked up magna flow to the borla...... Better tone and motor feels like it has less drain on it.


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[SSlowBoat]

383whp

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[95 blackbird]

383whp

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What kind of torque did she put down?

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[SSlowBoat]

What kind of torque did she put down?

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torque is skewed but showed 373 wtq

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[SSlowBoat]

overall very happy. had a great day at dyno day. 383 whp/373tq from a super low budget build. car is strong. got some work to do with tune or o2 or something. idn why the right bank ltft peg 160 when idling and it's pissing me off (replaced o2 already). also some surge when cruising in 4th at 50 barely touching gas.

thank you to everyone that helped with this build and supported me, pushed me to do it, helped me get the car and parts, etc etc etc. this community is the best.

hey @NightTrain66 that cam works really good and peaks perfectly. 125mph is 5500 rpm so I can keep it below 6k, it should live longer. thank you!

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[NightTrain66]

Great #'s for the mild set up.

The graph looks a lil squiggly up top but maybe just the "smoothing factor" of the graph.

Are these LE1/LE2 heads?

Even with that small cam it should make peak HP at 6100 RPM (2.15" pushrod pinch and 2.00 over shortside) unless there is something going on making it peak sooner (rocker adjustment, A/F ratio, timing, ingition, etc).

If they are not our heads, they could just be a lil smaller in these areas and that is what is making it peak sooner.

Lloyd

[SSlowBoat]

Great #'s for the mild set up.

The graph looks a lil squiggly up top but maybe just the "smoothing factor" of the graph.

Are these LE1/LE2 heads?

Even with that small cam it should make peak HP at 6100 RPM (2.15" pushrod pinch and 2.00 over shortside) unless there is something going on making it peak sooner (rocker adjustment, A/F ratio, timing, ingition, etc).

If they are not our heads, they could just be a lil smaller in these areas and that is what is making it peak sooner.

Lloyd

your heads, LE2.

The torque area looks silly because they were having a hard time with their rpm signal. so in reality it could be a little off.

also found my maf sensor reading lower at wot than past logs with similar setups and kitt's, so I may have a leak between maf and tb or bad maf

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[Stormyweather]

What was the cam specs again?

[SSlowBoat]

What was the cam specs again?

227/235 567/579 on a 110

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[Stormyweather]

Fresh stock bottem end. I dont remember you had two builds going there.

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