ATTN R302 owners

gon4x4n · 02-16-2001, 01:48 PM

ok after researching the cost of putting a stroked winsor in my truck and then getting it tuned for my supercharged application I've decided on putting either a 331 or 347 in my truck with a new B50 or R302 block.

The R302 is a siamese bore so in other words it doesn't have water between the cylinders.

Do any of you R302 owners have trouble with running hot on the street? I will be street driving this truck as well as abusing it in the sand dunes where I won't have a whole lot of air flow.

Any comments? I really would prefer the R302 so I could get 1/2" head studs and hopefully have an indestructable lower end. But I don't want overheating problems.

Thanks

------------------
Prerunner F150 with 92' Mustang 302, Aftercooled Vortech S-Trim with 2.75 10 rib pulley set, Maxflow bypass,
Vortech Fuel Rails, Cartech inline Pump with #8in and #6out feeding 36lb injectors, Powerflex 4" inlet tube
Edelbrock Aluminum Heads(2.02/1.60), HIFLO waterpump, 70mmTB, Performer intake, MSD 6ALBTM,
Doug Thorley Tri-Y Long tubes to single DynoMax Race Magnum, C6 with 2600 Stall 4.10s with Lockers,
engine relocated 14.5" rearward!!

NoSlow5.0 · 02-16-2001, 07:42 PM

Yes. I don't have one, but that is why. They have a problem with overheating if used regularly for extended periods of time. That is why so many people are looking for old A4 blocks instead of using a new R302 in a street/strip car. They are great for all out drag cars though. They will handle insane amounts of power. I was going to get one until I heard of this problem, that is why I also am looking for an A4 bloch instead. Light Em Up!!

02-16-2001, 01:48 PM	#1
gon4x4n Registered Member Join Date: Nov 2000 Location: Zeeland,Mi,USA Posts: 16	ATTN R302 owners ok after researching the cost of putting a stroked winsor in my truck and then getting it tuned for my supercharged application I've decided on putting either a 331 or 347 in my truck with a new B50 or R302 block. The R302 is a siamese bore so in other words it doesn't have water between the cylinders. Do any of you R302 owners have trouble with running hot on the street? I will be street driving this truck as well as abusing it in the sand dunes where I won't have a whole lot of air flow. Any comments? I really would prefer the R302 so I could get 1/2" head studs and hopefully have an indestructable lower end. But I don't want overheating problems. Thanks ------------------ Prerunner F150 with 92' Mustang 302, Aftercooled Vortech S-Trim with 2.75 10 rib pulley set, Maxflow bypass, Vortech Fuel Rails, Cartech inline Pump with #8in and #6out feeding 36lb injectors, Powerflex 4" inlet tube Edelbrock Aluminum Heads(2.02/1.60), HIFLO waterpump, 70mmTB, Performer intake, MSD 6ALBTM, Doug Thorley Tri-Y Long tubes to single DynoMax Race Magnum, C6 with 2600 Stall 4.10s with Lockers, engine relocated 14.5" rearward!!

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02-16-2001, 07:42 PM	#2
NoSlow5.0 YOU HAVE NO MARBLES!!!!!! Join Date: Aug 2000 Location: Jonesboro,Georgia,USA (Providence, Ri) Posts: 868	Yes. I don't have one, but that is why. They have a problem with overheating if used regularly for extended periods of time. That is why so many people are looking for old A4 blocks instead of using a new R302 in a street/strip car. They are great for all out drag cars though. They will handle insane amounts of power. I was going to get one until I heard of this problem, that is why I also am looking for an A4 bloch instead. Light Em Up!!