Complete turbo kit for a non TPI 305????? - High Performance Pontiac Forums at High Performance Pontiac Magazine High Performance Pontiac

Complete turbo kit for a non TPI 305?????

  
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Complete turbo kit for a non TPI 305?????

 
huffsd huffsd
New User | Posts: 2 | Joined: 05/09
Posted: 05/14/09
11:47 AM

I just picked up a 1980 Turbo TA.  I pulled the suffix numbers and it turns out the block is a 305 out of a 79 Cutlas and the trany is the Signaw 4 speed.

So i have been thinking since i dont have a matching numbers car, i might as well make some lemon aid.

I like that it was an original turbo and was thinking about doing somthing along those lines again.  

I could spend some real nickles and drop a Turbo Grand National set up in it...


Or maybe turbo a 305.



I think the 305 would be the best was to go.  You guys know the right way to go about this?  I searched google for the better part of the morning and it starts to get overwelming.  I dont want a 10,000 dollar set up and the ones that they are selling on Ebay kinda have me nervous at 1000 dollars a kit for a twin.


A point in the right direction PLLLLLLLLEEEEEEEEAAAAAAAAAASSSSSSSE.  Would i be better off stepping up to TPI or would I be happy with a blow through set up?  

 
Pontiacman8 Pontiacman8
Guru | Posts: 1645 | Joined: 02/08
Posted: 05/14/09
01:53 PM

If it is power you are looking for and yourbudget will allow put a well built pontiac 350 or 400 in it.  
professional hi-performance engine builder

Horsepower sells engines and torque wins races

 
barneyformula barneyformula
Guru | Posts: 1112 | Joined: 01/07
Posted: 05/14/09
07:07 PM

The 305 is definitely NOT the right way to go! Even putting aside my pure Pontiac bias, the 305 has small valves, weak ports and a small bore which shrouds the valves if you try to install larger valves. A turbo kit would be a waste on this motor and the saginaw 4 speed will give up and die the first time you put any real power through it.
Pontiacman8 has the right advice, find a 350 or 400 Pontiac (the earlier the better) and have it rebuilt properly (no "hone it and ring it" rebuilds please), add a mild cam, a 4bbl intake and carb, full dual exhausts and a real 4 speed (either Muncie or T10) or convert back to the automatic that the car came with.
Don't waste time looking for a 301 turbo unless you strictly want a correct car, the 305/ manual you have is likely faster than the turbo motor was. If you insist on staying Chevy powered, start with a 350, the same money you would waste on the 305 will make a great 350.
Steve  
A little help... 'cause we don't all have to learn the hard way!

 
huffsd huffsd
New User | Posts: 2 | Joined: 05/09
Posted: 05/15/09
11:51 PM

How much weight does the Pontiac 400 give up to the chev 350?  

Just thinking about power to weight.  I dont just want to go fast in a straight line.


Found some Crates that are local and the prices seem decent.  Just thinking that if its not going to be "correct"  I might as well go fast doing it.

Im new here so Im not sure about posting links.  If its not allowed, my bad  



•Chev & G.M.
•Ford
•Pontiac

 

Chevy Performance Engines
1 Years or 6,000 Mile Warranty
302 cu.in. - 1967-1969 Z28 Factory performance 290 H.P. Custom rebuilt engine. $2,195
327 cu.in. - 275 H.P. $1,995
327 cu.in. - 365 H.P. Custom rebuilt engine $2,595
350 cu.in. - 1970-1971 LT1 370 H.P. Custom rebuilt engine $2,895
350 cu.in. - 300 H.P.. $2,195
350 cu.in. - 350 H.P. $2,695
350 cu.in. - 400 H.P. $2,895
350 cu.in. - 450 H.P. ( aluminum heads ) $3,995
Yes You Can Replace Your Chevy 350 Engine with A Chevy 383 Engine
Just Call US ENGINE and We Will Tell You How
383 cu.in. stroker - 350 H.P.. $2,495
383 cu.in. stroker - 400 H.P. $2,695
383 cu.in. stroker - 450 H.P. $3,195
383 cu.in. stroker - 500 H.P. ( aluminum heads ) $4,495
396 cu.in. - 1967-1969 Factory performance engine 330 H.P.  $2,195
396 cu.in. - 1967-1969 Factory performance engine 375 H.P.  $2,295
402 cu. in. - 1970 Factory performance engine 375 H.P. $2,495
454 cu.in 1967-1969 Factory performance engine 425/435 H.P.  $2,995
454 cu.in. 1970 LS-6 Factory 450/465 H.P. Custom rebuild your engine $3,195
454 cu.in. 1971 LS-6 Factory 425 H.P. Custom rebuild your engine  $2,995
454 cu.in. - 330h.p. $2,195
454 cu.in. - 350h.p. $2,495
454 cu.in. - 370 H.P. $2,695
454 cu.in. - 400 H.P. $2,895
454 cu.in. - 425 H.P. $3,195
454 cu.in. - 450 H.P. $3,695
454 cu.in. - 500 H.P. $4,995
454 cu.in. - 600 H.P. (aluminum heads) $5,995
496 cu.in. 600 H.P. $4,895
502 cu.in. Custom rebuild your engine $4,895



Im digging the 383 stroker with the Aluminum Heads.





They sell a Pontiac 400 stroker thats right up there for power, around 475-500 for about the same price but how much more will the thing weigh?  

 
Pontiacman8 Pontiacman8
Guru | Posts: 1645 | Joined: 02/08
Posted: 05/16/09
04:54 AM

Chevy small blocks weigh approx. 535 pounds and the pontiac V8 weighs approx. 650 pounds.  
professional hi-performance engine builder

Horsepower sells engines and torque wins races

 

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