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Post Info TOPIC: 1987 305 5.0 TPI T/A take out build .


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1987 305 5.0 TPI T/A take out build .


Well I could not pass up this Engine for the Price I bought it for . It's about as high performance as the 305's got out the box with 9.5.1 C/R due to Flat top pistons and 58cc Chamber Heads . It has a Mild Roller Torque Camshaft and pre-vortec performance #081 heads with 1.84"in and 1.50"ex Valves . The plain is to top it with a small 4bbl and mild high rise intake set up an HEI ign for it . I am not sure on the Exhaust and I am thinking a Gasket kit . I want to find a car under 3200 Lbs to run it in . May have to sell it or might run around town in it for a good door slammer ride that I could really use . Always Looking for a Vega or Monza body . I still have the built TH-350 and stall with cooler out My Monte Carlo I can use it . Also a mid 80's Camaro or Firebird might be a fun car to build with this Engine running more freely . I worked a deal of $200.00 for that 5.0 as shown in My Truck Bed . I also go a better Flex plate thrown in on the deal . He was pushing for $220.00 But I showed him all I had if it was not good I would have had to walk . I am on a tough budget these days so I marked all the parts I took off not knowing for sure what I might have to re-use . I will go Junkyard shopping for the HEI . I have a few carbs in the 600 CFM range but also have a Line on a Carter AFB off a 1966 Pontiac that Looks good and fits the Budget . I will need an intake . A regular Edelbrock #2101 Performer would be fine . I would need to drill the intake holes on an angle on the 4 center holes . It Looks Like I can use a Manual Fuel Pump on this block . I took the Plate off and checked the hole is there and there seems to be a Lob on the Roller camshaft for a Pump rod . I can give this Engine a quick out the car test run but My Engine run stand is no Longer set up Like it use to be .

 

 

 

 

 

I cut the Y-Pipe were I think I might be able to hook up a Pipe . It was cracked any ways .

 

 

 

 

 

1987 G.M 5.0L 305 TPI H.O Roller Camshaft F-Body Engine .

 

 

#081 TPI Performance Heads .

 

 

 

Ready for top end build up with carb .

 



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Looks to me like you got a good deal. That looks pretty clean in there. Good going Tango.smile



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Thanks Denny .W for understanding this type of build . I see so many guys stroking out Engines and running real high Compression ratios . But also see the Gas prices at what I would say high gal prices . I want a good street performer that can EPA and run all year Long . But yes still a V8 center camshaft . I had a 1989 Pontiac Formula that had this same 5.0 H.O TPI in it with a 700R4 and 3.27 Rear Posi . I think it was rated at 225 H.P Stock not a Lot Lower then the 5.7 TPI of that same year that you had to order with the auto trans only . The 5.0 F-Body's back then 1987-92 with the 5sp manual that even did get a hotter camshaft could run the same E.T as the 5.7 Auto car's did . The one I owned was near stock but ran really good and MPG-ed well .



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Not a thing wrong with that at all. I have done quit a few simply making sure they were in good shape, and really dialing them in. The better you can set them, even stock, the better they run, and the better the gas mileage is. smile



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I was even thinking about maybe running a Large G.M 2bbl ? I have so many of them 2 are Like new . Even have an odd ball Holley Large 2bbl that uses the Large G.M Mounting . I think it was off a 400 Mopar . I do have some Carter AFB's 575-650 CFM . But one of them Large 2bbls might make more power and torque . They work well and start good in cold weather .



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Yep, if that big 2 barrel has nice tight throttle shaft, it will perform very good. smile And your probably looking to have it perform from take off to mid range. So that would work great.



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I need to Find an intake for it then . I might take a walk through the Junkyard next week . I would need a 1970-72 non-EGR Chevy 350 2bbl intake . To think all the one's I threw out back when . I could convert My 2bbl to an Electric choke . They are all heated type . In 1974 Chevy went to that on there 2bbl intakes but also added the EGR Valve . If I can find a nice Large 2bbl intake for the right price I will get it . But also Looking for a good used aluminum Mild High Rise see what I can find . I think I can find Me a nice HEI Junking . I will Look for a good cap and rotor to Ha-Ha . Trouble is them Junkyards today don't much hand out deals Like Lunch time back when . Hey Denny .W any Ideas you have I would Like to hear . I want to get to the Low down fine tuning of this Little street Engine . I know you are really good and squeaking Power and drive-ability out of any Engine . This Engine from what I remember has about a 425" Lift Roller Camshaft Nice size for a Mild 305 you could see the rockers rocking pretty good as I turned it over . I was checking out the prices of some mid 80's Camaro's ? Not a bad car to budget build .



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When you get a few parts rounded up, I will be glad to chim in on some things to help out. Some you probably know, but it never hurts to go over things. smile



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I know I took out some spark plugs that really Looked high Dollar . So I lightly clean up the tips with some carb cleaner and saved them . Them had to cost a good buck thinking about reusing them . HEI's are pretty cheap to buy new these day's . But not sure how well that China stuffs going to hold up . Don't want to be far from home worse yet in bad weather and not have My Engine start up . I think I can build me one Toy to run around in . But anything after that has to be sold once it runs .

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Yep, on that distributor. I really wouldn't get one of those China ones. I've looked a couple over just checking them out. Man, I kind of shake my head on those. Check also, if you don't find one, with rock auto. They sure do have good prices, on OEM stuff. smile



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Yeah some of the modules and pick-up's they make don't Look very HD . I do buy a Lot of stuff from the auto store . Some times you will find a better deal on a part there . Still not sure if I should change out the pan seal . I think it would be a good Idea . Also need intake gaskets and valve cover gaskets . Fuel Pump Mounting Plate and rod .



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The intake the roundy round Guy's use is a 1969-70 350 Cast iron . Some Guys said G.M made a high rise 2bbl intake for a 1970 Large G.M Truck ? I would Like to see that . One Guy on a Roundy Forum said he has two and there aluminum ?

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That intake would be a score, providing it is in good shape. Some of the guys here, doctor them up so they look like iron. You get the weight gain, plus the added help of the aluminum for fuel atomization.



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Have to see what I can find at the Junkyard and on the craigslist . Man that guy I bought that Engine from had ton's of TPI Intakes . He has built these 3rd Gen F-Body car's for over 15 years . Said he has one with a 406 and a 9" Ford rear . I don't much worry about what other Guy say they have . When I roll around on the Street I sure don't see many of them car's ? That 305 with a good big 2bbl will have a killer off the Line punch Ha-Ha .



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I just bought this HEI Dist . The Last one I bought from the Junkyard cost Me $40.00 Bucks then I had to buy the Good cap and rotor curve kit and High Volt Coil . This one Looks to be made pretty good well I hope it is and has a 65K Coil ready to plug and play . Check out the Low price they catch up with you some on the ship to . But all and all you can't beat that SB /BB HEI Price .

http://www.amazon.com/TSP-Chevrolet-Distributor-Volt-Coil/dp/B00636GPWM/ref=sr_1_1?s=automotive&ie=UTF8&qid=1342936492&sr=1-1&keywords=hei+distributor

More info on that Distributor below .

http://www.topstreetperformance.com/engine-compartment/ignition-distributors-n-accessories/hei-distributors/tsp-hei-distributor-chevy-sb-n-bb-super-cap-red.php



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it sure is good to see you buildin another engine. i like the budget builds best. as i have seen on other forums, not ever body can do it.

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Good to see you back building again! I too like the budget builds. Not everyone can spend thousands on a motor build. Keep the posts coming. I really comteplated buying my truck cause it had a 305 in it. Always had 350's and I heard bad things about the 305's glad I did though....just rolled over on 368,000 mostly trouble free miles.

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I have ran a Lot of different size small blocks . But I have to say the 305 can be built for some snappy Low end and sure does MPG better then the 307-327's do . That is one reason Chevy went with the same Long 350 stroke in there small bore 267 Engine . I had one of them in a 1979 Monte Carlo with a really small rear gear . Boy it MPG-ed Like a well tuned V6 could .

Check out this video of a stock 5.0 TPI H.O Z/28 making a run . Video info below .

For more info on the G92 and 1LE optioned 3rd gen F-bodies check out http://hubpages.com/hub/Camaro-VS-Mustang-Revisited or http://www.StreetShowDriftDrags.com ... Motor Trend tested a stock 5.0 liter 230hp G92 optioned Camaro IROC-Z in 1990 to a 14.6 1/4 mile time, here is mine in stock form running a 14.7 many years ago.

The 1990 manual 5-speed IROC-Z28 equipped G92 and 1LE optioned F-bodies were the fastest production 5.0 liter model year of the 1985-90 version IROC models, the 5.7 liter L98 models ran a 14.4 and the 5.0 liter G92 models ran a 14.6 1/4 mile time...
Here is some IROC-Z & 3rd generation F-body knowledge and facts, starting w/ the 1985, and the first year of the TPI system which actually outperformed the 1985 Mustang in Motor Trend magazine road tests (this wasn't simply based on straight line performance) In 1986 GM changed the camshaft design and lost power, Motor Trend's testing documented the 5.0 Mustang absolutely "crushing" the 1986 TPI Camaro. GM changed Camshafts the following year due to the lack of performance. 1987 was the much anticipated release of the Corvette L98 5.7 liter 350ci TPI motor for the F-body twins, Motor Trend's testing showed the 225hp 5.7 TPI Camaro and 5.0 EFI Mustang neck and neck on the dragstrip, but handling & braking went to the 5.0 powered 5-speed Camaro/Firebird. 1988 the F-bodies horsepower rating went up, as it did every year after, up until 1990 where the TPI maxed out at 245hp for the 5.7 350ci automatic and 230hp for the 5.0 305ci 5-speed... with documented 1/4 mile times of 14.6 for the 5.0 and 14.4 for the 5.7, which shows the 1990 IROC-Z Camaro was the best performing and fastest IROC-Z Camaro (and Firebird) 3rd generation F-bodies produced. Also, take note that this is not the TBI (Throttle Body Injection) 170hp Camaro or Firebird, as they were the "economy version" and had around 75hp less than the performance version 245hp TPI (Tuned Port Injection) Just remember: TPI=good & TBI=bad, for all newbies learning about 3rd generation F-bodies.

 



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yeah them tpi 305's are the same as the 87-88 L69's they are a good start for a build up.
i build a couple of 305's and it impressed everybody around. they can make good power.when you look at them like a good motor and not like just a 305.
i had put a air-gap edelbrock intake and a 600cfm carb.along with a cam and long tubes that thing hauled @ss!!

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Super on the distributor price. Can't beat that at all for all new. smile

305's are on ly a few cubes less than a 350. You dial them in good, and you would never know the difference.

I find that if you get your compression where it is supposed to be for the fuel you plan to run, and make sure your valve seat's have good angles, plus a little manifold to head aligning, and a few angles there, they will get with it really good. Low to medium intake rise, and never go above medium, unless your on the track. Low rise is excellent for the street. Get the rear gears right, and you'll have a nice street driver all around.



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Yeah I had a few intakes that I Sold . But they where in the to high range . That Edelbrock EPS Performer would be a great 4bbl intake . It's known to out torque the regular Performer #2101 .

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yeah that is a great price on the distributor. can't rebuild one for that price

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Great score Tango! it being a TPI motor there shouldn't be a hole lot of cylinder wear



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88ss408 wrote:

yeah that is a great price on the distributor. can't rebuild one for that price


 Heck the 65 Volt Coil cost about that much alone . Some times I do a Amazon search just to see what will come up and for how cheap . Not a bad place to deal with . I have not had much Luck with finding intakes cheap on there .



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rjsbu wrote:

Great score Tango! it being a TPI motor there shouldn't be a hole lot of cylinder wear


 Also it's really clean inside Like it may have seen high grade oil over the years . The drained out oil Looked clean as well . I really should change out the valve seals maybe even the Valve springs . But I would Like to see how it runs with the heads Like it is now . There are no stamped#s on the front tab by the water pump mounting . This could have been a G.M replacement engine . or warranty Engine .  



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