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Have a LQ9 with 1 3/4 longtube headers, martin smallwood custom cam 222/226 586/569-114+2, stock heads and intake.
2800 stahl in a 200 4R trans non lockup. 4:10 gears.
just had tuned 350rwhp 405 rwtq. in a 72 Chevelle.
Any thoughts
Last edited by ecoman35; 10-31-2017 at 02:06 PM.
Reason: added cam specs
here is a copy of the dyno sheet. said he found a burnt plug wire after the pull and was already off the dyno so the numbers should be a little higher.
they are resized truck injectors he had on hand. said the stock ones were maxed out at 5000 rpm. was not really thrilled with the tune. torque seemed to drop off like a rock.
75lb on a stock engine is a waste esp a resized stock inj.
Id go somewhere else and get some 8.1l or 5.3l fle fuel injectors and have it retuned and dynod.
Slowhawk may be in your neck of the woods.
this is the first time on a dyno. is it normal for the torque to drop so fast? most dyno sheets i have looked at are totally different not such a extreme drop.