pistons
April-18th-2004, 02:09 AM
#16
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Join Date: Dec 2001
Location: Ottawa, ON
Posts: 261
Originally posted by exexx
Go read the power section of the miata.net forum. The rods are the weak link. Most folks there, and there are a lot of them, going over 250 rwhp seriously consider stronger rods. Engine life at 400hp would be very short with stock rods.
Go read the power section of the miata.net forum. The rods are the weak link. Most folks there, and there are a lot of them, going over 250 rwhp seriously consider stronger rods. Engine life at 400hp would be very short with stock rods.
they are the same as what is in the 1.8L GTX.
BP rods != miata rods
April-19th-2004, 10:42 PM
#17
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Join Date: Apr 2004
Posts: 121
With my engine I have ran 12 to 18 psi with Protege SOHC pistons and it still runs strong. Obviously some caution has to be taken like better fuel pump, MSD ignition retard, two step if possible. AN extra injector will not hurt. Like I said running strong and have had no problems; RX-7 turbo, hot shell modified to .63 trim, RX-7 intercooler with customized bigger inlet, outlet, Eclipse turbo fuel pump, factory ECU, MSD ignition retard, cold spark plugs, on 91 or higher pump gas.
April-20th-2004, 03:05 AM
#19
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Join Date: Dec 2001
Location: Ottawa, ON
Posts: 261
like i said kia = miata rods
miata rods != BP rods.
iirc sohc rods are similiar to Bp rods..
1.6L GTX > 1.8L GTX rods... (meh, i didn't believe it either)
you put any turbo engine in a light enough body you can dive deep into the 12's and 11's
GTR stock runs 13.1s w/ 220bhp on the 1/4mi. swap the head with the n/a head and overboost, you are deep into the 12's
miata rods != BP rods.
iirc sohc rods are similiar to Bp rods..
1.6L GTX > 1.8L GTX rods... (meh, i didn't believe it either)
you put any turbo engine in a light enough body you can dive deep into the 12's and 11's
GTR stock runs 13.1s w/ 220bhp on the 1/4mi. swap the head with the n/a head and overboost, you are deep into the 12's
April-20th-2004, 03:09 AM
#20
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Join Date: Dec 2001
Location: Ottawa, ON
Posts: 261
Originally posted by Roddimus Prime
I've always heard that the miata was very capable of being boosted.....but I believe this is due to the fact it's based on the 1st gen design...I'd say either/or, but the miata is more curent so it is potentially upgraded/heavier duty.
A first gen guru needs to check in and clear this up!!
I've always heard that the miata was very capable of being boosted.....but I believe this is due to the fact it's based on the 1st gen design...I'd say either/or, but the miata is more curent so it is potentially upgraded/heavier duty.
A first gen guru needs to check in and clear this up!!
April-20th-2004, 07:50 PM
#22
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Join Date: Oct 2002
Posts: 216
there's some good info there http://members.aol.com/solomiata/MX5Engine.html
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