Forging out a an 01 DOHC motor, look at the list please - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 13 Old 05-02-2002, 01:24 AM Thread Starter
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Forging out a an 01 DOHC motor, look at the list please

Are these prices good? Anything im missing? I want to forge the motor while it is out of the car. It will be N/A until next yr when I will add prob a 10psi Supercharger.
11 cc Pistons $600.00
Rings $100.00
Main bearings $50.00
Rod Bearings $50.00
Billet oil pump gears $365.00
H beam Rods $500.00
ARP Main studs $200.00
ARP head bolts $185.00
Valve springs $500.00
Crane cams $750.00
OR
Billet cams $1500.00

Shoul I buy cams now, without supercharger or wait till I get the supercharger? Will the car run OK with cams and No S/C?

Thanks


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post #2 of 13 Old 05-02-2002, 03:09 AM
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I thought high compression was a no no when putting a S/C on?


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post #3 of 13 Old 05-02-2002, 09:27 AM
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Are you adding biller trigger wheel?

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post #4 of 13 Old 05-02-2002, 10:43 AM
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Quote:
Originally posted by elyrain
I thought high compression was a no no when putting a S/C on?
He isnt going to have a high CR with those 11cc pistons. Granted, 17cc would be better for boost..

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post #5 of 13 Old 05-02-2002, 12:28 PM
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Opps, that's what I get for not reading, I thought he wrote that he was getting 11:1 CR pistons, lol.

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post #6 of 13 Old 05-02-2002, 10:11 PM Thread Starter
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well will 17cc pistons be 2 much for a N/A car?
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post #7 of 13 Old 05-02-2002, 10:32 PM
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no 17cc are perfect, they run about 11:1 ratio. That is size I will use when I forge my internals later this year.

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post #8 of 13 Old 05-02-2002, 10:49 PM
 
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Quote:
Originally posted by elyrain
no 17cc are perfect, they run about 11:1 ratio. That is size I will use when I forge my internals later this year.
With a 4V, a 17cc dish piston will only yeild about 8.4:1. This is a good range of compression for a boosted engine. It will make it safer to tune more boost with less detonation. The drawback is on an N/A engine. It will lose power from the lack of compression. Now 17cc dome pistons will yeild a higher compression of closer to 11.5:1. This is very bad for boosted engines unless it's a race only engine that gets rebuilt quite often. This type of piston is more suited for N/A or NOS engines. Checkout the pistons page under products on the website in my sig. It has a chart that will give you a general CR range for the type of piston that you want to run.
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post #9 of 13 Old 05-03-2002, 01:21 AM Thread Starter
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I was looking at 11cc pistons because for a yr or so the car will not be supercharged, it will be all natural. Hopefully by next sumemr I can save more $$$ for a supercharger something like 8-10psi. So if 17cc pistons will be to much for natural, I think I will forget the whole thing and just put the motor in the car. Im so confused.
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post #10 of 13 Old 05-03-2002, 03:19 AM
 
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Quote:
Originally posted by Modular Performance


With a 4V, a 17cc dish piston will only yeild about 8.4:1. This is a good range of compression for a boosted engine. It will make it safer to tune more boost with less detonation. The drawback is on an N/A engine. It will lose power from the lack of compression. Now 17cc dome pistons will yeild a higher compression of closer to 11.5:1. This is very bad for boosted engines unless it's a race only engine that gets rebuilt quite often. This type of piston is more suited for N/A or NOS engines. Checkout the pistons page under products on the website in my sig. It has a chart that will give you a general CR range for the type of piston that you want to run.
I plan on building a N/A monster this winter like Ron99cobra, re-sleeved block to 3.7 and ported heads with trick hardware. Would the 17cc Dome piston still be my best bet for running #####ty 91 octain gas?

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post #11 of 13 Old 05-03-2002, 07:01 AM
 
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SalStang00- If you plan on a charger that far down the road, run the 11cc pistons. They will do you fine. They will give you about 9.2:1 cr. Going forged is the biggest factor.

JOEYS- I wouldn't plan on running any higher compression than about 10:1 if you are planning on only running 91 octane. If that is all they have to offer you, make sure you are running a good amount of booster to get your octane level to a safer level (95-97). Driving up the compression is driving up the cylinder temps causing the same issues as blowers.
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post #12 of 13 Old 05-04-2002, 02:25 AM Thread Starter
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What about the prices? DO they seem right?
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post #13 of 13 Old 05-04-2002, 08:57 AM
 
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Here's my price list as of three months ago:

Probe pistons 409
eagle H-Beam rods 549
Rings (file to fit molly's) 119
Stainless valves (oversized) 260 (130 intake, 130 exhaust)
Valve spring kit 259
Main rod bearings 50
Rod bearings 39
ARP head studs 189
ARP main studs 109
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