98 gt head swap
- Thread starter Gardo
- Start date
blackfang
Founding Member
whyask
New Member
go to
www.parkwayperformance.com
they have a kit for 1350.00 shipped its awsome,
have one from them now, got 62 hp of it after the dyno and tune.
www.parkwayperformance.com
they have a kit for 1350.00 shipped its awsome,
have one from them now, got 62 hp of it after the dyno and tune.
blackfang
Founding Member
Actually you can have just as much if not more hp if you just did a PI cam swap and PI intake swap and port the NPI heads you have. That combo will make more hp than if you went with the PI headswap.
The PI heads only give you that extra 5-10 rwhp only because of the compressions bump. However the quench pad on the NPI heads are better for faster burns and the port design is better. Granted the exhaust ports suck, but thats what porting is for.
And here is why 4V heads on a 2V is more trouble than what its worth.
You will need the following; 4V heads/cams,secondary chains, intake, TB, 24lb injectors, harness, alternator, pistons(due to the compression increase to match) a crank (being the 4v regularly revs near 7k and flywheel as the GT is a 6 bolt and the cobras an 8 bolt and a tune.
The PI heads only give you that extra 5-10 rwhp only because of the compressions bump. However the quench pad on the NPI heads are better for faster burns and the port design is better. Granted the exhaust ports suck, but thats what porting is for.
And here is why 4V heads on a 2V is more trouble than what its worth.
You will need the following; 4V heads/cams,secondary chains, intake, TB, 24lb injectors, harness, alternator, pistons(due to the compression increase to match) a crank (being the 4v regularly revs near 7k and flywheel as the GT is a 6 bolt and the cobras an 8 bolt and a tune.
I looks that the stage 2 of these guys is a better buy though. Is $1000 more but gives you 45 rwhp more... it gaves you Competition porting, competition valve job, Ferrea SS forged valves, 7000 rpm spring package, and best of all flow bench tested
http://www.powerheads.com/headswap.html
http://www.powerheads.com/headswap.html
RandyStinchcomb
New Member
Gardo said:
on a stock engine, thats a waste of $$$. first off, your not gunna' spin the stock short block over 6k, unles you like picking up all the broken pieces. second, your stock or stock PI intake wont flow enuff air to make a stage 2 (whatever that means) work on a stock engine. save your money, call Joe Charles at Parkway Ford and get the stock "PI" head swap kit
billfisher
Active Member
Men..... I dont know what to go. Still thinking on.
between
http://www.powerheads.com/headswap.html
or
www.parkwayperformance.com
between
http://www.powerheads.com/headswap.html
or
www.parkwayperformance.com
I bought the parkway headswap kit for my 98 GT well worth it IMO, came complete, not problems and the only thing is had to do outside of the kit was to get a T fitting for the coolant sensorsGardo said:
