1987 Super Coupe Project

Topic: 1987 Super Coupe Project (Read 4625 times) previous topic - next topic

1987 Super Coupe Project

Reply #15 – December 31, 2008, 06:51:15 PM

I don't know if 19lbs will be enough either. We bought the motor partially done and they were included in the deal, so we're going to give them a shot. If we have to, we'll pick up some bigger injectors in the summer.

1987 Super Coupe Project

Reply #16 – January 01, 2009, 01:29:36 PM

Quote from: FLSTCI71;249601

Here's a quick list of some specs:[

Fox 5.0 Standard Bore & Stroke
Ford Motorsport E-303 Roller Cam
Keith Black HyperTechtic Pistons 9:1 Compression w/Molly Rings
V-3 Vortech 8 to 10psi
Ford 19LB Fuel Injectors

I see these parts together asking for trouble unless the tune is perfect. Even then, I think you're looking at 36lb injectors and 255lph fuel pump. Stock block? Standard e7 heads and HO intake? I'd say you're looking at around probably a little under 400hp at upper 5000's with that setup which I would hope for as the stock block can't take much more without spending thousands in balancing -at that point an aftermarket block is pocket change.

1987 Super Coupe Project

Reply #17 – January 01, 2009, 02:16:30 PM

Quote from: Seek;249713

I see these parts together asking for trouble unless the tune is perfect. Even then, I think you're looking at 36lb injectors and 255lph fuel pump. Stock block? Standard e7 heads and HO intake? I'd say you're looking at around probably a little under 400hp at upper 5000's with that setup which I would hope for as the stock block can't take much more without spending thousands in balancing -at that point an aftermarket block is pocket change.

When you were picking out the specs, you missed an important one:

Canton Main Girdle

I know of many stock block 5.0 cars around here with well over 400rwhp and no problems. You are correct, we wouldn't want to get much crazier and a girdle is no substitution for an aftermarket block, but it should be fine for occasional playing in the street.

1987 Super Coupe Project

Reply #18 – January 01, 2009, 10:40:47 PM

heres a link for some injectors, you could probably end up picking them up pretty cheap

http://cgi.ebay.com/ebaymotors/FORD-RACING-42-FUEL-INJECTORS-M-9593-F302_W0QQcmdZViewItemQQ_trkparmsZ72Q3a1205Q7c66Q3a2Q7c65Q3a12Q7c39Q3a1Q7c240Q3a1318QQ_trksidZp3911Q2ec0Q2em14QQhashZitem370138390022QQitemZ370138390022QQptZMotorsQ5fCarQ5fTruckQ5fPartsQ5fAccessories

1987 Super Coupe Project

Reply #19 – January 02, 2009, 10:13:08 PM

Quote from: FLSTCI71;249723

When you were picking out the specs, you missed an important one:

Canton Main Girdle

I know of many stock block 5.0 cars around here with well over 400rwhp and no problems. You are correct, we wouldn't want to get much crazier and a girdle is no substitution for an aftermarket block, but it should be fine for occasional playing in the street.

It'll help keep the rotating assembly reusable but I wouldn't put much faith in it doing much besides that. Either way it'll be a fun car to drive. I'd do the same thing but with less cam and more fuel/stronger pistons - this in itself can bring it near similar limits of the block after tuning. Of course I would have used larger chambers to help keep the boost happy on the iron heads (which was my original plan with gt40's before having to start over from scratch - I was looking for 8.5:1 static).

I just hope you will put the time in to get the setup tuned after injectors if nothing else. Putting additional air into any factory-configured car is dangerous and expensive if done incorrectly. Keep in mind that forced induction needs much larger injectors for the same power level as naturally aspirated - my assumption (as I haven't looked into it deep enough on the tuning level) is that it needs quicker more open blasts rather than longer smaller blasts due to timing and mixture differences.