C.R. with 58cc chambers ?
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Elder User
Joined: Mar 2013
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From: In my house..
180/73, full size van..
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Joined: Jul 2002
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From: Bend,OR
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Elder User
Joined: Mar 2013
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From: In my house..
Not going for horsepower but if i can gain some torque without spending too much money,,,
TFS 170's are $1000/pr and i'm just not sure that heads are worth the expense if valve lift is at or under .500"
The paint job happens first week of April then I'll start pouring money in the engine, all i really wanted to do was change the cam but if i found some good heads for the right price,,, the price is right but like you said the 180's are a poor choice for my application and 170's are just not worth the expense, not for me anyways..
To be honest the engine really doesn't need a thing and runs fantastic but it's hard to get that hot rodding out of your blood
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Joined: Jun 2006
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From: Ottawa, Ontario
Depends on the rest of the exhaust, when I first put headers on my '90 I had a complete diesel catback on it with that massive oildrum muffler and the exhaust sound was pretty much dead silent like a stock exhaust. With that system you could hear the faint putt-putt-putt noise that headers are known for but once I put a different muffler on it that characteristic header noise was less obvious.
Just do the cam then, there is untapped HP and torque in the stock heads even, the cams to use are the Comp 35-255-5 or my favorite the Crane 444232 with 1.7 rockers. With that done you can add heads or headers at a later date and get all the benefits whereas heads on a motor with the stock cam won't be that impressive.
Just do the cam then, there is untapped HP and torque in the stock heads even, the cams to use are the Comp 35-255-5 or my favorite the Crane 444232 with 1.7 rockers. With that done you can add heads or headers at a later date and get all the benefits whereas heads on a motor with the stock cam won't be that impressive.
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Elder User
Joined: Mar 2013
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Likes: 4
From: In my house..
Depends on the rest of the exhaust, when I first put headers on my '90 I had a complete diesel catback on it with that massive oildrum muffler and the exhaust sound was pretty much dead silent like a stock exhaust. With that system you could hear the faint putt-putt-putt noise that headers are known for but once I put a different muffler on it that characteristic header noise was less obvious.
Just do the cam then, there is untapped HP and torque in the stock heads even, the cams to use are the Comp 35-255-5 or my favorite the Crane 444232 with 1.7 rockers. With that done you can add heads or headers at a later date and get all the benefits whereas heads on a motor with the stock cam won't be that impressive.
Just do the cam then, there is untapped HP and torque in the stock heads even, the cams to use are the Comp 35-255-5 or my favorite the Crane 444232 with 1.7 rockers. With that done you can add heads or headers at a later date and get all the benefits whereas heads on a motor with the stock cam won't be that impressive.
If i was going to replace the heads i would do it when i pull the intake manifold to change the cam so the stock heads are most likely staying put..
Valve Lift with 1.7's
Crane 444232
.476" Intake
.493" Exhaust
----------------------
Comp 35-255-5
.508" Intake
.515" Exhaust
That rules out using the Comp with 1.7's and stock heads leaving the Crane 444232 as the best choice for stock heads with 1.7's
If the stock 1.6 rockers are used the Comp would be a better choice with stock heads, at least that's my thoughts..