Hey all, I have a friend who is going to be building a 89 ta with a 305, and a m5, where would be a good place to go to get all the basic specs, as far as engine, power, tranny, stuff like that. any and all help will be greatly appriciated.
Dustin

 

www.thirdgen.org the authority on 3rd gens fo shizzle.

 

The 305 is a boat anchor, that is all the info he needs...

 

yep...boat anchor...but i'd bet money on my budget built boat anchor over your budget built 383

 

i was so glad when i spun a bearing in my 305 i rushed to buy my 350 sb that i am currently working on now i dont think i will ever waste my money on a 305

 

Bet not.

 

you got any numbers for your car? if it's all street racing then everything is hypothetical, but if you got some real track numbers, than we can compare....

 

Well, we will see, but not soon enough. I need a axle for my dana 44 rear, a cross member and a torque arm. Then i can use the slicks and see what happens. I am pulling mid to low 13 second cars easily with a 2.73 gears easily, so with the 3.73s you can imagine i am sure.

 

Maybe....with a 250 shot.

 

If he wants to build a motor, find a 350 block. You can pick up a bare 350 block for around $100-125. Then everything that you were going to do to your 305 do to the 350. then you can use all your assesories off the 305, and even the 58cc swirl port heads off your 305 that will get you about 10.8 to compression with a set of flat tops. Crank and rods will be the same as well, for a 1 piece rear seal (86-98) 350. If you build a 305...you'll be disapointed when you get done. You'll spend twice the $$ and not go as fast.

 

I noticed it said N/A, so all i can think of is it would have big heads, big compression and a huge cam maybe?


I wouldnt let him use the 305 heads on a 350, the intake valve is too small.

 

My money is on thirdgenbum. Allow me, Matt....;

60' ... 1.665
330' ... 5.072
1/8 ... 7.971
mph ... 84.36
1000' ... 10.505
1/4 ... 12.665
mph ... 103.98

 

Yea, it looks good, but i did build my stroker to run 12.0 or so, and i do not fail in what i am shooting for. When i get time slips one year ill post them.


Does the 12 second 305 run on pump gas?

 

yup...and it runs 12.3x's now! just added a few things that should squeeze another .1 or so out of it too

 

Bet my new 383 will **** on a 12 second pass


J/K, you ever wonder what 80 more cubes will net you? I mean you really have no reason not to buile 383+ cubes now day, if your 305 broke would you step it up then?

 

That little thing is an animal. I've got to ask.. Where can I go to read up on what you've got done to it?

 

haha, yeah, your new motor oughta be a bad boy Zones. yes, the next motor will be a larger cube motor...but i'm gonna run this one till it pukes a rod out the side...i'm doing a solid camshaft swap this winter that should put it in the 11.7x range. we'll see. which means that i'll really need to step it up on a big cube motor cause it would suck to spend all this money on a new motor, just to go out and run .5 quicker, lol!

ok, i'll be nice and post it all here...i got it in my vB garage on thirdgen.org so it's not difficult to copy and paste.

specs of my 1990 Ralley SportCoupe:

ENGINE SPECS
-1985 305 block .030" over
-Eagle cast 3.48" crank
-Ohio Crankshaft forged rods
-10.2:1 compression
-comp 280H magnum camshaft, 230*/230*, .480"/.480" 110lsa
-comp pro magnum 1.52:1 roller rockers
-#416 casting 305 "HO" heads. mild bowl blend, backcut stock valves, comp 981 springs, screw-in studs and guide plates, milled to 53cc combustion chamber volume.
-holley street dominator intake manifold p/n 300-36
-holley 650 double pumper modded and tuned by me
-hedman longtube headers
-dual 2.5" mandrel bent y-pipe into single 3.5" that dumps infront of rearend. listen: http://youtube.com/watch?v=_93-ig9Wvj4
-ignition is supplied through a mildly modified stock HEI with Accel Supercoil

FUEL SUPPLY
-stock tank fitted with -8 male fittings in bottom left corner
-aeromotive street/strip pump with -8 line from tank to regulator
-aeromotive street/strip return style regulator
- -6 return line for now, will go to a -8 soon.

TRANNY
-red neck performance long tailshaft th350
-36 element intermediate sprag
-reverse manual valve body
-9.5" 4100 stall red neck performance torque converter
-red neck performance transbrake

REAREND
-moser bolt in 9"
-4.56:1 gears
-full spool
-31 spline axles
-areospace components drag brakes

SUSPENSION
-Jegster bolt-in sfc's that i welded in and added extra bracing, triangulating the underside of the car
-BMR weld-on lca relocation brackets (second most important suspension mod after sfc's)
-Lakewood rear lca's
-Spohn non-adjustable panhard rod
-Jegster non-adjustable torque arm
-v6 springs, 1 coil trimmed off front, 1.5 off rear
-solid motor mounts
-stock v6 front struts from 1990, ~220K on them and working great for what i need!
-monroe replacement rear shocks
-front sway bar delete
-IROC rear sway bar w/ poly endlinks
-DS loop

WEIGHT REDUCTION
-s10 manual steering box
-complete HVAC delete
-front bumper support delete
-complete emissions delete
-83 z28 'glass hood
-Mickey Thompson ET Drag Wheels, 15x8 w/ 4.5" backspacing out back and 15x3.5 w/ 1.75" backspacing up front. running 29x9 hoosier slicks compound D06 out back and 26x7.5 mickey thompson sportsman front runners.
-ACS front carpet piece, only weighs like 10lbs total
-fourth gen front seats, no power anything, on thirdgen seat tracks...another 10lbs or so...yeah that much!
-car weighs 2975 w/ full tank of fuel and w/o driver.




this is all before any of the mods i'm doing this week for this weekend. i'll post up results after i determine if what i'm doing is worth a crap, lol!

 

So, how well is the S10 ps box? Do you drive the car on the street? I want to do this but was not sure how well it would work with a GT steering wheel, i had a S10 with the manual box but it had a I4 so the front end weight i am sure isnt the same.


What you think about it in a VERRY often driven RS?

 

well, i have the factory steering wheel from an 87 camaro LT, and i daily drove the car for 2 years with that manual box. it wasn't bad. you could tell when you had the full size 245/50/16's up front and you could tell when you put an iron head back on the motor that there was more weight going on up there, but it wasn't bad...it's all about priorities and what you're willing to sacrifice or deal with to get the car down the 1320 as quick as you'd like to with the combo you're running...atleast that was the case with my car.

 

Im a big guy so i guess it wont be too bad, i only run a 205 up front but will have a 225 eventually so i think i need to give it a try, i just dont know how ill run the serp belt route.