85T/A

not sure where to post this figured here would be best so if i m wrong plz redirect me ....I have an 85 TA.. Obviously ... its got a 123,000 mile tired LG4 305 i was wondering weather anybody could tell me what i would run now with a small cam, intake , 600 edlebrock carb 4brr, k&n 14 in" filter and that one thats a filter / lid also by k&n, weind dual plane midrange intake nothing running off the crank xcept power steering alternater and water pump and a freed up exhaust system... no cat and an 80 series flowmaster which is nothing but a sideways 40....

thats my first question now my second i m building a 355 sbc with 11:1 comp full roller valvetrain , 502/502 (with 1.5 rockers i m using 1.6 thinkin about 1.65 still have to do the math)roller cam from lunati summit brand cast iron heads preassembled built to take a 550 lift cam.. edlebrock 2701 performer eps intake and an edlebrock 750 4brl carb ....the heads have 1.9 intake and a 1.6 exhaust i m going to be using headman long tube headers

can anybody tell me what they think that motor will allow me to run and what kinda specs should i expect???????

urbanhunter44

iTrader: (3)

Do you have headers? What cam? What gears? Posi? Stock heads?

What duration is the cam and what LSA? What rear end gears/posi? Weight?

85T/A

now stock heads.... 398/420 lift i forget the duration i do not have headers i have 3:08 and by the way my rear acts i believe i have an open rear


355
cams duration is sumtin like 272... not sure what lsa is....posi rear 3:73
origianl wieght puilled things like ac and smog pump....
and the heads they have a 202 intake sry not 1.9

ShiftyCapone

iTrader: (7)

What heads (not just valve size ). Are they aftermarket or stockers? My guess is that cam would be around 220 or so duration. Your combo should be a solid 350hp and your current LG4 should be capable of running low 15's/high 14's.

85T/A

their summit brand cast iron .... i am assuming that thier ported and polished

if not then i have to do it myself at school when i order them

and are low 15 high 14 s good for an lg4???

ShiftyCapone

iTrader: (7)

They won't be but porting will be worth it.





Yup.

r0nin89

Speaking of 305's shifty what does your 300hp LO3 run 1/4 mile?

ShiftyCapone

iTrader: (7)

I should have some new track times by this fall. I should have more than 300 hp as well (fingers crossed). Stay tuned.

urbanhunter44

iTrader: (3)

damn shifty I've been waiting to see track times from your hot rod forever

As to the original poster, probably low-mid 15s with the LG4. and i agree with shifty probably somewhere around 350 hp at the fly with the 355, which will probably take you to a low-mid 13 on a street tires depending on how well you drive.

ShiftyCapone

iTrader: (7)

You and me both!