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Originally Posted by sibex
By the way, I have two hawks. My plan is to have one Street version with 55-60 hp , other Street/semi-track version 60-70 hp. My goal is nice ride , nothing too wild, reliability is a factor, cost is a factor.
I know its hard to quote $$ figures, but an approximate..what would it cost to get that done.
I would ship a complete motor, have you do the folowing:
1-head work..mild(stage 1)
2-cam street grind
3-663 kit
Keep stock valves and springs ?
I will use stage 3 factory jet kit, foam filters with hyperform under tail exhaust .
What would recommend ?
I wish you had a swap program..  that is, I send you stock complete motor(core) plus $$, you send me a built motor. Price will be according to parts , work and HP produced..that would be ideal .  |
A 55-60hp Hawk is very easy, 663 kit, mild cams, pipe and jet. No head work needed, stock valve springs are fine. That combo will make right around 60hp, in fact I have built one recently with the Hiperform exhaust that you want, and it made right at 59-60hp if I recall. Stage 1 head work would add another 3-4hp if desired.
70hp isn't too hard either, but there are several paths to get there. The best way IMO is something I have recently developed. I now have 700cc kits available that use lightened pistons, they are very close to stock weight, so cracking the whole engine open to balance the crank isn't neccessary. The next part of the package is a set of my stage 2 heads with oversized intake valves. Cap it off with a mild camshaft, and you'll have a 70+hp Hawk that makes tons of midrange power, perfect for street or track. You can keep the bottom end stock, but you do take a slight calculated risk with the OEM rods at that hp level. You may also need a larger radiator.
It is possible to build a ~70hp Hawk a little more cheaply using stg. 1 heads and the 174x8 race cam, but the midrange isn't nearly as nice as the way listed above.
Also, I have a new camshaft undergoing beta testing that has 95% of the 174x8's top end power, but a lot more midrange, but it's not quite ready for public release just yet. (very soon!)
Prices are all listed on my site but I'll go thru some of them here:
663 kit $225
700 LW kit $325
Cylinder boring $60/
pr
Cams $350
Slotted cam sprockets $40
Top end gasket kit $67 (all seals, washers, gaskets, etc)
Stg. 1 heads $350 (includes valve job)
Stg. 2 heads $750
Factory 3.0 jet kit $75
Uni pod filters $25/
pr
Hiperform ex. (I'm a dealer) $500
Labor to install above, degree cams, set up carbs, etc (engine out of frame) $300
So for 60hp you are looking at roughly $1100, plus the cost of the pipe/jet/filters, $600. For 70hp it's around $1600 plus the pipe/jet/filters.
I wish I could do an engine exchange, but it just isn't practical. Some core engines would have 8k miles, some 75k miles, there's no way to make it work equitably for everyone. However I do stock most parts and have heads/cylinder/piston kits on the shelf most of the time.
I hope this helps, email me with any questions.