What to do next??? after headswap - TCCoA Forums
 
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post #1 of 10 (permalink) Old 09-12-2004, 09:15 PM Thread Starter
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What to do next??? after headswap

I need suggestions as to what to do next....I just finished a headswap with PI cams, and PI intake. I was think MAF, injectors, and throttle body....

Any suggestions on how big to go with the maf TB and injectors.....I will be close to 350 rwhp i think if not more.

97 4.6L SOHC
(old times before headswap,PI cams, and PI intake)
N2O - 12.83 1/[email protected] --------- NA - 14.2 1/[email protected] mph

PnP NPI heads, PI intake with adaptor plates, crossover cooling mod, PI cams, 4100 lbs GVW, 2.25" true dual exhaust, Flowmaster 40 series, deleted cats, K&N cold air intake, 120HP NOS shot, NOS Programmable modulator, 80 psi fuel pump with reg., 9MM FRPP plug wires, Reinhart chip, Jmod, Mark8 T/C, FRPP 3.73 Alum. Rear-end, Dynotech MMC D/S, MSD coil packs, Custom ram air

94 T Bird Project Car
Planned installs: Ford 460ci motor, Tubbed rear-end with Dana 40 Axle, NOS power adder, new paint job, complete roll cage
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post #2 of 10 (permalink) Old 09-12-2004, 09:18 PM
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Well.. if it can wait until after Dan has a job again... an Accufab 75mm Plenum/TB would be a good addition to the top end. There's something in the tech articles about injectors and how much HP they can support IIRC. And the maf is definitely a good idea, especially if you're still stock!
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post #3 of 10 (permalink) Old 09-12-2004, 09:22 PM Thread Starter
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yeah still stock maf but how big is too big on the maf....i can get a Lightning 4pin MAF for real cheap buts its 90mm...too big???

97 4.6L SOHC
(old times before headswap,PI cams, and PI intake)
N2O - 12.83 1/[email protected] --------- NA - 14.2 1/[email protected] mph

PnP NPI heads, PI intake with adaptor plates, crossover cooling mod, PI cams, 4100 lbs GVW, 2.25" true dual exhaust, Flowmaster 40 series, deleted cats, K&N cold air intake, 120HP NOS shot, NOS Programmable modulator, 80 psi fuel pump with reg., 9MM FRPP plug wires, Reinhart chip, Jmod, Mark8 T/C, FRPP 3.73 Alum. Rear-end, Dynotech MMC D/S, MSD coil packs, Custom ram air

94 T Bird Project Car
Planned installs: Ford 460ci motor, Tubbed rear-end with Dana 40 Axle, NOS power adder, new paint job, complete roll cage
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post #4 of 10 (permalink) Old 09-12-2004, 11:32 PM
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The 80 mm GT MAF has the most defined transfer function I believe. And an LMAF, wouldn't really be much good unless you're blown (hence it's a Lightning MAF). But I just put a set of ported heads, PI cams and intake on about a month ago. I'm running 24# injectors and a 80MM GT MAF, with the stock t body and upper for now. Also, a bigger fuel pump (I'm running a 255) to keep up with the injectors. And yes it would be very advisable to upgrade the MAF and injectors and pump.

How bout exhaust?? You'll need to open up the rear end since you'll be able to pull more air through now.

I'm doubting you will be anywhere near 350 rwhp from a set of heads, beacause I'm running basically the same, and if it was around 350 I'd sure know it. I'd say maybe closer to 250. I'll be tuned in a couple weeks, and all I'm hoping for is around 240.

Joe

EDIT: Missed the nitrous combo as well. That would make 350 more reasonable. I think 24# injectors are good up to around 300 hp. There's a chart in the tech section to make sure though.

1994 Mercury Cougar XR7 4.6L Special Edition

PnP'd NPIs, PI Cams, PI intake, 80mm GT MAF, 24# Injectors, Shorty Headers, SCT Tuned, Jmod, Trans Cooler, 3.73's, Underdrives, Zex Dry kit 75 shot, Dirtydog TC, Trans built by Darrin, 97 Cupholders

219 RWHP/256 RWTQ NA
280 RWHP/343 RWTQ Bottle Fed (75 shot)
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post #5 of 10 (permalink) Old 09-12-2004, 11:39 PM
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he is talking about with nitrous, the 120 shot will have him probably around 350 horse and 520 trq.
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post #6 of 10 (permalink) Old 09-12-2004, 11:44 PM Thread Starter
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yeah you got it....right now before the headswap im at 300....plus i got 2.25' pipes straight back with no cats......im limited by the head3ers but theyll get done eventually

97 4.6L SOHC
(old times before headswap,PI cams, and PI intake)
N2O - 12.83 1/[email protected] --------- NA - 14.2 1/[email protected] mph

PnP NPI heads, PI intake with adaptor plates, crossover cooling mod, PI cams, 4100 lbs GVW, 2.25" true dual exhaust, Flowmaster 40 series, deleted cats, K&N cold air intake, 120HP NOS shot, NOS Programmable modulator, 80 psi fuel pump with reg., 9MM FRPP plug wires, Reinhart chip, Jmod, Mark8 T/C, FRPP 3.73 Alum. Rear-end, Dynotech MMC D/S, MSD coil packs, Custom ram air

94 T Bird Project Car
Planned installs: Ford 460ci motor, Tubbed rear-end with Dana 40 Axle, NOS power adder, new paint job, complete roll cage
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post #7 of 10 (permalink) Old 09-13-2004, 08:53 PM Thread Starter
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ttt

97 4.6L SOHC
(old times before headswap,PI cams, and PI intake)
N2O - 12.83 1/[email protected] --------- NA - 14.2 1/[email protected] mph

PnP NPI heads, PI intake with adaptor plates, crossover cooling mod, PI cams, 4100 lbs GVW, 2.25" true dual exhaust, Flowmaster 40 series, deleted cats, K&N cold air intake, 120HP NOS shot, NOS Programmable modulator, 80 psi fuel pump with reg., 9MM FRPP plug wires, Reinhart chip, Jmod, Mark8 T/C, FRPP 3.73 Alum. Rear-end, Dynotech MMC D/S, MSD coil packs, Custom ram air

94 T Bird Project Car
Planned installs: Ford 460ci motor, Tubbed rear-end with Dana 40 Axle, NOS power adder, new paint job, complete roll cage
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post #8 of 10 (permalink) Old 09-13-2004, 09:42 PM
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LoopyJ22,

Have you had that car dynoed yet prior to installation of the new parts? Just curious.

Steve
1996 Cougar XR7 Special Edition (Street & Strip)
"There's a bad, built NA 4.6L COMING Spring-Summer 2018"

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Cougar ET-Stock 4.6 shortblock/Stock PI headswap Bullitt NA 12.94 @ 105+
Nitrous 11.75 @ 114 MPH

2008 Ford Powerstroke 6.4 TT F250 4X4 Supercrew: 12.82 @ 105 MPH

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post #9 of 10 (permalink) Old 09-14-2004, 02:17 AM Thread Starter
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Just prior to install PI intake PI cams and PNP NPI heads, yes.....i dynoed at 199 NA and 298 on the juice

97 4.6L SOHC
(old times before headswap,PI cams, and PI intake)
N2O - 12.83 1/[email protected] --------- NA - 14.2 1/[email protected] mph

PnP NPI heads, PI intake with adaptor plates, crossover cooling mod, PI cams, 4100 lbs GVW, 2.25" true dual exhaust, Flowmaster 40 series, deleted cats, K&N cold air intake, 120HP NOS shot, NOS Programmable modulator, 80 psi fuel pump with reg., 9MM FRPP plug wires, Reinhart chip, Jmod, Mark8 T/C, FRPP 3.73 Alum. Rear-end, Dynotech MMC D/S, MSD coil packs, Custom ram air

94 T Bird Project Car
Planned installs: Ford 460ci motor, Tubbed rear-end with Dana 40 Axle, NOS power adder, new paint job, complete roll cage
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post #10 of 10 (permalink) Old 09-14-2004, 02:19 AM Thread Starter
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but that was with a way out of wack eec tune. I'm running an A/F of 14.5 and higher......yikes i know....thats why since then I havn'et ran the bottle.....hopefully next week I will be getting new numbers for me to post

97 4.6L SOHC
(old times before headswap,PI cams, and PI intake)
N2O - 12.83 1/[email protected] --------- NA - 14.2 1/[email protected] mph

PnP NPI heads, PI intake with adaptor plates, crossover cooling mod, PI cams, 4100 lbs GVW, 2.25" true dual exhaust, Flowmaster 40 series, deleted cats, K&N cold air intake, 120HP NOS shot, NOS Programmable modulator, 80 psi fuel pump with reg., 9MM FRPP plug wires, Reinhart chip, Jmod, Mark8 T/C, FRPP 3.73 Alum. Rear-end, Dynotech MMC D/S, MSD coil packs, Custom ram air

94 T Bird Project Car
Planned installs: Ford 460ci motor, Tubbed rear-end with Dana 40 Axle, NOS power adder, new paint job, complete roll cage
loopyj22 is offline  
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