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#1 |
Registered Member
Join Date: Apr 2000
Location: New Jersey
Posts: 167
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![]() Can I go wrong with the GT-40 Long Block topped off with the Cobra intake? Looks like for under $4k, I'd be set as far as my engine goes. BTW, I'm building a clone of my 93' Cobra for mainly street use - maybe hit the track once or twice a year. My other option would be a rebuild of the stock motor (possibly stroked to 306 cu. in.), heads and the Cobra intake. Thanks for any input.
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#2 |
Registered Member
Join Date: Apr 2001
Location: Staging lane
Posts: 4,337
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![]() GT-40 long block for 4 grand isnt the way I would go.
Stock 302 rebuild $1200.00 Bad @ss aluminum heads $1300.00 Bad @ss intake 400 dollars cam 200.00 dollars bad @ss exhaust and accessories would eat up the other 900 bux JMO.
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92' LX-Big brakes, Lots and lots of suspension, GT40X heads, Ported cobra intake, stock cam, Vortech SC trim. 00' Lightning-Stock 88'CRX-13 second ego killer |
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#3 |
It's a lot like a race car
Join Date: Aug 2000
Location: Meridian, MS
Posts: 4,130
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![]() I agree with Dark. For 4K you can blow a GT-40 crate motor out of the water.
And a 306 isn't a stroker motor. It's just a 302 bored .030. With some AFR heads and a Edelbrock Perfromer RPM II intake along with the correct cam, you should be able to run down into the low low 12's. -Josh, aka the tireburner
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1987 Buick T-type 1998 HD Electra Elide |
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#4 |
Registered Member
Join Date: Apr 2000
Location: New Jersey
Posts: 167
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![]() Thanks for the input and the info on the 306. So is the consensus in here that AFR heads are the way to go? What about intakes and cam?
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#5 |
Registered Member
Join Date: Apr 2001
Location: Staging lane
Posts: 4,337
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![]() If I had it to do over again I would go with Edelbrock heads and intake manifold with a trick flow stage 1 cam and long tube headers.
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92' LX-Big brakes, Lots and lots of suspension, GT40X heads, Ported cobra intake, stock cam, Vortech SC trim. 00' Lightning-Stock 88'CRX-13 second ego killer |
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#6 |
Registered Member
Join Date: Apr 2000
Location: New Jersey
Posts: 167
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![]() What about one of those engine kits that Edelbrock has with heads, intake, cam, gears, rockers, etc.? I guess they go for around $2,000, which seems reasonable.
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#7 |
Registered Member
Join Date: Apr 2001
Location: Staging lane
Posts: 4,337
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![]() The Edlelbrock kits look great to me and from what I have heard they make the advertised HP.
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92' LX-Big brakes, Lots and lots of suspension, GT40X heads, Ported cobra intake, stock cam, Vortech SC trim. 00' Lightning-Stock 88'CRX-13 second ego killer |
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#8 |
Mizzou Tigers
Join Date: Apr 1999
Location: weston, MO United States
Posts: 1,455
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![]() I went with the GT-40 motor and intake when I did mine. But, if I had to do it again, I wouldn't. That was my first major car project and the motor really has been great. It runs strong and I haven't had any problems with it. But, like all these guys said, for the same price you can build something a lot better. Live and learn I guess
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2006 Mustang GT 1990 LX GT-40 motor 262 horsepower, 307ft-lbs (sold but forever loved) 1998 Contour SVT Rice Haters Club Member #244 |
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#9 |
It's a lot like a race car
Join Date: Aug 2000
Location: Meridian, MS
Posts: 4,130
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![]() IMO I would NOT got with the edlbrock heads. They aren't that steller. The only Eddy heads that I think are worth a damn are the Victor Jr's
If you looking for a package I would go for the package that TFS has out. If you wanna pick out your own combo PM me or contact me on AIM, my SN is tireburner663. I'll give you some help picking out your combo. -Josh, aka the tireburner
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1987 Buick T-type 1998 HD Electra Elide |
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#10 |
Registered Member
Join Date: Apr 2000
Location: New Jersey
Posts: 167
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![]() Yeah, I was looking at the Trick Flow and Holley kits as well. I think I will have the bottom end rebuilt and bored .030, then complete the motor with one of these kits. I'm leaning towards the Trick Flow kit. Is there a specific type of piston I'll need with the TF heads? The kit doesn't come with lifters, what do you recommend? And as far as you know, is there much difference between there regular intake and the Track Heat EFI intake? Summit says the Track Heat intake is good for an additional 10hp and there's only a $50 difference in price.
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#11 |
It's a lot like a race car
Join Date: Aug 2000
Location: Meridian, MS
Posts: 4,130
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![]() I'd probably stick with the street intake.
And no you don't need a special piston for the TFS heads. As for lifters just reuse your old roller lifters or get new FMS ones from summit for like $100. -Josh, aka the tireburner
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1987 Buick T-type 1998 HD Electra Elide |
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#12 |
Registered Member
Join Date: Apr 2000
Location: New Jersey
Posts: 167
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![]() Thanks for the advice and the information. One last question. I just noticed CHP or it might have been DSS - anyway, I could buy a 306 shortblock outright for about $1,500 to $1,700. If a stock rebuild would cost me $1,200, like Dark_5.0 said, wouldn't it make sense to just buy a brand new, pro-built shortblock? This way I could still drive the car until the new motor was ready.
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#13 |
It's a lot like a race car
Join Date: Aug 2000
Location: Meridian, MS
Posts: 4,130
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![]() That's true.
A DSS short block would be a good option. Not to mention they've been balanced and blueprinted. If you can afford it I would go with a DSS shortblock. If you can afford it I'd spring for the main support and the windage tray......what could it hurt? Your planning on heads/cam/intake now. The main support will be extra insurance if you ever throw on a power adder down the road. -Josh, aka the tireburner
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1987 Buick T-type 1998 HD Electra Elide |
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