[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Two barrel TBI must have a flaw, I give up.



I know the 454 unit flows 670.. how much does the 305/350 peice flow? ive
seen 525 cfm quoted a few times but just second hand

Pablo


At 10:15 PM 5/31/00 -0400, you wrote:
>
>Try the 454 TB
>Grumpy
>
>
>> Its using the stock 305/350 TBI...  I had the vacuum gauge on it on a few
>> WOT runs, ill admit i really wasnt paying much attention to it but i think
>i
>> saw about 1.5 inches way up there.. maybe a hair more
>> Its definately not the heads or cam or intake because with the carb on
>there
>> it went from 5000-6000 faster than I could let off the gas.. i mean the
>car
>> was smokin fast
>> Pablo
>At 09:21 PM 5/31/00 -0400, you wrote:
>> >You don't have one of those small tbi's off a 2.8l or something,
>> >do you? I'm in the process of tuning a hi-perf tbi setup. It's
>> >from  a 350 v-8 w/the 55 lb injectors. It's running at 30psi
>> >fuel pressure. Good all the way past 6,000 rpm. Running a
>> >performer rpm manifold. (Good heads & cam).
>> >At 6,000 rpm the map value gets to 90kpa. Baro is at 102kpa.
>> >So, yea, it's a bit restrictive, but it works. See if you can get a
>> >map reading at the higher rpm.
>> >BobR.
>> >olbap wrote:
>> >> I dont know exactly, but I think it has to do with fuel flow and
>puddling at
>> >> the bottom of the manifold
> ><snip>
>> >> Unless anyone here has had any good luck with two barrel tbi setups at
>the
>> >> high rpm end of the spectrum and can tell me anything ground breaking I
>> >> think this battle is lost.
>
>
>----------------------------------------------------------------------------
>To unsubscribe from gmecm, send "unsubscribe gmecm" (without the quotes)
>in the body of a message (not the subject) to majordomo@lists.diy-efi.org
>
>
>

----------------------------------------------------------------------------
To unsubscribe from gmecm, send "unsubscribe gmecm" (without the quotes)
in the body of a message (not the subject) to majordomo@lists.diy-efi.org