Have you tried my suggestion yet?
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Sounds like the spark is being quenched.....No, not yet, last night I put the stock MAF back on to see if the translator was the issue. If I didn't know better I would say it feels like it's running on 5 cylinders once you go past 3/4 throttle.
Also, I am getting plenty of fuel 43# at idle and it goes up to around 55# when I get the RPM's up.
overall goal with the car is key here but I would go with a small roller and port and polish your iron heads while the motor is out.Should I stick with a flat tappet cam or upgrade to roller?
2. What cam is best either direction for my current modifications (I am not looking to add many other mods).
3. Since I will have the engine apart, should I leave the heads alone, have them ported, or upgrade to aftermarket set?
I am still running a flat tappet 212/212, mainly cause it was already there w/ no problems but roller is the way to go, as far as heads go let your wallet be your guide...
overall goal with the car is key here but I would go with a small roller and port and polish your iron heads while the motor is out.
Okay, after much frustration I took my car to Aggressive Performance, Bruce determined that the problem is that my cam is shot and that it dropped a lobe. So I need to go through the engine and of course get a new cam kit. So my new questions are:
1. Should I stick with a flat tappet cam or upgrade to roller?
2. What cam is best either direction for my current modifications (I am not looking to add many other mods).
3. Since I will have the engine apart, should I leave the heads alone, have them ported, or upgrade to aftermarket set?
Perhaps it's time to call Bison.
Thanks to everyone who chimed in or will chime in after this post. Having a team of people to bounce this shit off of sure does make it easier!
I don't know Brad at Aggressive performance but I would get a second opinion from a Turbo Regal guy (maybe Brad is).
I have had wiped cam lobes in these cars. It never acted as you described. If anything it was the opposite. My wiped cam lobes were very pronounced at idle and part throttle situations. Under boost it acted normal.
A wiped cam love is a mechanical failure. I don't see how it would only present it self above 3/4 throttle.
Just my opinion.
How did he come to this conclusion?
Did you spend 30 minutes and $0 and try what I advised? Just curious if it had any affect.
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Well I would prefer to not go to specific about the cams but i will say I have seen lots of the small rollers run into the 9 sec range so there are several choices,I dont know how much power you want to make .since the car is at a buick shop now I'm sure they will have their preference.When you say small roller... do you have anything specific in mind? Brand, grind #'s, etc.?
I agreeI believe I have the majority of what I need to create a pretty stout street car.